ih_b275-b414_354-364-384_424-444_2424-2444_vhb_sec_wat [unlocked by ]

WORKSHOP MANUALOVER

INTERNATIONALHARVESTER

TRAKTOR

MODEL

B275-B414354-364-384

424-4442424-2444

www.maskinisten.netwww.classicmachinery.net

SHOP MANUAL

INTERNATIONAL HARVESTERSERIES B-275 -B-414-354-364-384-424-444-2424-2444

All tractors are powered by four cylinder , four cycle engines . The Series B-275 tractors are equippedwith a 144 cubic Inch displacement diesel engine while the Series B -414 Is available with either a 154cubic Inch displacement diesel engine or a 144 cubic Inch displacement gasoline engine . Series 364 and384 have a diesel 154 cubic inch displacement engine . Series 354 has a 144 cubic Inch displacementengine in both diesel and gasoline models . Series 424 and 2424 are available with either a 154 cubic Inchdisplacement diesel engine or a 146 cubic Inch displacement gasoline engine . Series 444 and 2444 areavailable with either a 154 cubic Inch displacement diesel engine or a 153 cubic Inch displacementgasoline engine . A dual range transmission is standard equipment on all tractors and provides eightforward and two reverse speeds . In addition , the Series 8-414 , 364, 384 , 424, 444 , 2424 and 2444 tractorshave available a forward and reverse transmission designed to work in conjunction with the main tractortransmission.

Engine serial number Is stamped on a pad on right side of engine crankcase . Tractor serial number Isstamped on a name plate on the right aide of the clutch housing.

INDEX (By Starting Paragraph)Series B-275,

B-414 , 354, 364 ,384 Diesel

Series 8414,354 Non -Diesel

Series 424,444, 2424 , 2444

Diesel

Series 424,444 , 2424, 2444

Non -DieselALTERNATOR , GENERATOR AND

REGULATOR ..................... 135 135 138 138BELT PULLEY ..................... 190 190 190 190BRAKES ........................... 179 179 179 179CARBURETOR ..................... .... 123 .... 125 aCLUTCH

Adjustment ....................... 144 144 150 150Remove and Reinstall . ............. 145 145 151 151

COOLING SYSTEMRadiator .......................... 129 129 130 130Thermostat ....................... 131 131 131 131Water Pump ..................... 132 132 133 134

DIESEL FUEL SYSTEMBleeding .......................... 91 .... 91 aInjection Nozzles .................. 92 .... 92 ....Injection Pump Timing ............. 103, 104 .... 104Quick Checks ..................... 90 90 ....

DIFFERENTIAL .................... 173 173 173 173ELECTRICAL SYSTEM ............. 135 135 138 138ENGINE

Cam Followers .................... 52 52 52 52Camshaft and Bearings ............. 66 66 66 67Connecting Rods and Bearings ...... 77 77 77 78Crankshaft ........................ 79 79 79 81Cylinder Head ..................... 39 41 43 45Cylinder Sleeves .................. 69 69 69 ....Engine Removal ................... 35 36 37 38Flywheel ...... ........... 84 84 84 84Ignition Timing .................... .... 136, 137 .... 142Main Bearings ..................... 79 79 79 81Oil Pump. -- ................ - 85 85 85 85Pistons and Rings ................. 69 69 69 72Piston Pins ....................... 74 74 74 74Piston Removal ................... 68 68 68 68Rear Oil Seal ...................... 82 82 82 83Rocker Arms ...................... 53 53 53 53Timing Gear Cover ................ 56 57 58 59Timing Gears ..................... 60 60 60 64Valves and Seats .................. 47 47 47 47Valve Guides ...................... 48 49 48 50Valve Springs ..................... 51 51 51 51

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INDEX CONT.Series B-275, Series 424, Series 424,

B-414, 354, 364 , Series B-414 , 444, 2424, 2444 444, 2424, 2444384 Diesel 354 Non -Diesel Diesel Non -Diesel

FINAL DRIVEAxle Shaft ....................... 176 176 176 176Bull Gears ...................... 177 177 177 177Bull Pinions. . .... ... ............ 178 178 178 178

FRONT SYSTEMAxle Main Member ................ 1 1 2 2Steering Knuckles. ................ 3 3 4 4Tie-Rod, Drag Link and Toe-In ..... 5 5 5 5

GOVERNOR (DIESEL)Pneumatic ....................... 105 .... .... ....Mechanical ......... ............. 106 .... 106

GOVERNOR (NON-DIESEL) ......... .... 86 .... 88HYDRAULIC LIFT SYSTEMControl Valve. ... _ .............. 201, 206 206 206 206Lubrication and Bleeding. .... ..... 192 192 192 192Pump . ........................... 197,198 198 198 200Reservoir and Components ........ 207, 209 209 209 209Testing .......................... 195,196 196 196 196Troubleshooting ................... 193,194 194 194 194

POWER STEERINGControl Valve ..................... 24 24 32 32Flow Divider Valve ................ 33 33 34 34Hand Pump ....................... .... .... 30 30Relief Valve ................. .... 17 17 .... ....Steering Cylinder .................. 24 24 28 28

POWER TAKE-OFF.. . ..... ....... 182, 187 182, 187 182 182REAR AXLE ...................... 176 176 176 176REVERSING TRANSMISSIONR&R and Overhaul ............... 167 167 167 167

STEERING GEARAdjustment ..... ............... 6 6 .... ....Overhaul ......................... 8,9 8,9 11 11

TRANSMISSIONCountershaft.... .......... 165 165 165 165Input Shaft .......... ...... 161 161 161 161Reverse Idler ..................... 166 166 166 166Shifter Rails and Forks ............ 158 158 158 158Spline Shaft ....................... 163 163 163 163Top Cover ...................... 158,159 159 159 159

CONDENSED SERVICE DATA

GENERAL

Series 424,2424,444,

Series 2444 , B-414 , Series Series SeriesB-275 , 354 364 , 384 B-14, 354 424, 2424 444, 2444Diesel Diesel Non-Diesel Non-Diesel Non

-Diesel

Engine Make .................... Own Own Own Own OwnNumber of Cylinders ................ 4 4 4 4 4Bore-Inches .. . ........ . ......... 3-3/8 31/2 3-3/8 3-3/8 3-3/8Stroke-Inches .................. 4 4 4 4-1/16 44dDisplacement-Cubic Inches ........ 144 154 144 146 153Compression Ratio . .................. 19.3:1 (B-275 ) 23:1 6.3:1 7.6:1 7.7:1

20.1:1 (354)Compression Pressure at 200 rpm

Cranking Speed ................... 330-335 445-470 80-105 180 _ 180Cylinder Sleeves Wet or Dry? ........ Wet Wet Wet None NoneForward Speeds-Number of ......... 8 8 8 8 8Main Bearings-Number of ........... 5 5 5 3 3Alternator, Generator and

Regulator Make................... Lucas Delco-Remy (1) Lucas Delco-Remy Delco-Remy

Starter Make ....................... Lucas Delco-Remy (1) Lucas Delco-Remy Delco-RemyDistributor Make .................... .... .... Lucas (2) IH IH( 1) B414, 364 and 384 Lucas

. (2) 354 Delco-Remy.

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CONDENSED SERVICE DATA CONT.Series 424,

SeriesB-275, 354

Diesel

2424,444,2444, B-414,

364, 384Diesel

TUNE-UPFiring Order. . ...................... 134-2 13-0-2Valve Tappet Gap (Hot) ..............

.020 .020Valve Face and Seat Angle.......... 450 450Breaker Contact Gap .................

.... ....

Distributor Timing-Retard .............. ....

Distributor Timing-Advanced.. . ......... ....

Timing Mark Location ............... Crankshaft Flywheel

Injection Pump Make ................PulleyC.A.V. C.A.V.

Injection Pump Model ... ............ BPE or DPA DPAInjection Pump Timing-Static ...... 20 BTDC 16 BTDCInjection Nozzle Make. . ... ......... C.A.V. C.A.V.Injection Nozzle Model. .............. BDN8S1(3) BDN8S1(3)Injection Nozzle Pop Pressure ........ See Par. 95 See Par. 95Spark Plug Electrode Gap...........

.... ....

Carburetor Make ................. ...... ....

Carburetor Model ........ _ ..... ...... ....

Engine High Idle Rpm ............. See SeeEngine Rated Rpm ................. Paragraph ParagraphEngine Low Idle Rpm ............ .. 113 113(3) 354, 364 and 384-BDN4SD.SIZES -CAPACITIES -CLEARANCESCrankshaft Main Journal Diameter .... 2.124 -2.125 2 .124-2.125Crankshaft Rod Journal Diameter ..... 1.7495-1.750 1.7495-1.750Piston Pin Diameter ................. 1.1021-1.1024 1.1021-1.1024Valve Stem Diameter ................ 0.341-0.342 0.341-0.342Rocker Arm Shaft Diameter .......... 0.748-0.749 0.748-0.749Camshaft Journal Diameter, No. 1 ..... 1.811-1 .812 1.811-1.812Camshaft Journal Diameter , No. 2..... 1.577-1.578 1.577-1.578Camshaft Journal Diameter, No. 3..... 1. 499-1 .500 1 .499-1.500Main Bearings-Diametral Clearance .. 0.002-0 .004 0.002-0.004Rod Bearings-Diametral Clearance ... 0.001-0.0029 0.001-0.0029Camshaft Bearings-DiametralClearance.... 0.0015-0.0035

Piston Skirt Clearance ............... 0.0031-0.0039(4)Crankshaft End Play ................ 0.004-0.008Camshaft End Play .................. 0.008-0.017Cooling System-Quarts. ............. 10.8Crankcase Oil-Quarts ............ 8(6)Transmission and Differential-Quarts ........................... 20

Hydraulic Reservoir-Gallons......... 3

Series Series SeriesB-414 , 354 424, 2424 444, 2444Non -Diesel Non-Diesel Non-Diesel

134-2 1-3-4-2 1-34-2.020 -In . 0.014 -Ex. 0.020-450 450 4500.014 0 .020 0.020

50 BTDC TDC TDC390 BTDC 17 BTDC 17 BTDC

Crankshaft Pulley

0.024 0 .023 0.023Zenith Marvel Schebler Marvel Schebler

VNN or VNP TSX896 T5X8962200 2200 22002000 2000 2000500-525 425 425

2.124 -2.125 2 .6235 -2.6245 2 .6235 -2.62451.7495-1.750 2.059-2.060 2.059-2.060

1.1021-1.1024 0.8591-0.8593 0.8591-0.85930.341-0.342 0.3405-0.3415 0.3405-0.34150.748-0.749 0.748-0.749 0.748-0.7491.811-1.812 1.811-1.812 1.811-1.8121.577-1.578 1.577-1.578 1.577-1.5781.499-1.500 1.499-1.500 1.499-1.5000.002-0.004 0.0009-0.0039 0.009-0.00390.001-0.0029 0.0009-0.0039 0.0009-0.0039

0.0015-0.0035 0.0015-0.0035 0.0009-0.0054 0.0009-0.00540.0031-0.0039 0.0031-0.0039 0.001-0.002 0.001-0.0020.004-0.008 0.004-0.008 0.004-0.010 0.004-0.0100.008-0.017 0.008-0.017 0.003-0.012 0.003-0.01210.8(5) 10.8(5) 13 138.3 8(7) 52/2 52/2

20 20 20 203 3 3 3

(7) B-014-5.(4) B-2751.0048-0.0056. (5) B414-9.5. (6) B-275.4.

TIGHTENING TORQUES-FT.-LBS.Cylinder Head ....................... 75-80(8)Main Bearing Bolts ..................Connecting Rod Bolts ................ 40115(9)(8) B-275-70-75. (9) 8-275-3035.

FRONT SYSTEM

AXLE MAIN MEMBER

Series B-275-B -414-354 -364-3841. The axle main member pivots on

pin (5-Fig. 1 or 2) which is retained infront axle support (7) by a groove pin

75-80 75-80 80-90 80-90See Paragraphs 70 and 80

40-45 40-45 43-49 43119

or bolt (9). Diameter of pivot pin is1.115-1.116. Press new bushing (4) intoplace and ream to 1.118-1.120. Normaloperating clearance of pivot pin in thebushing is 0.002-0.005.

To renew the axle pivot pin andbushings on Series B-275 and B-014,raise hood and remove the cotter pinsfrom rear of stay rod slides, thendisconnect headlight wires from con-

nectors located on forward side of frontsupport. Unbolt and remove hood,being careful not to lose the two pivotspacers.

On Series 354, 364 and 384, removehood, grille, grille support and frontend weight support.

On models equipped with stay rodattachment, unbolt and remove stayrod ball socket cap (3-Fig. 3). Do not

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INTERNATIONAL HARVESTER

Fig. 3-Power steering stay rod attachment.1. Stay rod 3. Socket cap2. Loa plate 4. Shim

Fig. 1-Exploded view ofSeries B - 275 adjustablefront axle and componentparts . Bushings (1 and 4)are pro -sized. Shims (10-Fig. 2) are also used with

this axle.1. Knuckle bushings2. Axle clamps3. Grease fitting4. Pivot bushings5. Pivot the6. Axle main member7. Front support8 Axle extension9. Groove pin

Fig. 2-Exploded view ofSeries B-414 , 354, 364 and384 adjustable front axle

and component parts.1. Knuckle bushings3. Grease fitting4. Pivot bushings5. Pivot pin6. Axle main member7. Front support8. Axle extension5. Groove pin

10. Shims

Fig. 4-Exploded view ofSeries 424 , 444, 2424 and2444 standard adjustablefront axle and component

parts.1. Steering knuckle2. Woodruff key3. Felt washer4. Thrust bearing5. Bushing6. Axle extension8. Steering arm R.H.9 Tie rod asst'. (2 used)10. Ball so ketll. Ball12. Shim3. Cap14. Lock plate3s. Camp17. Pivot pint8. Axle main member,19. Pivot bushing20. Lower bolster22. 'Vie rod extension24. Tube25. Clamp26, Tie rod end27. Steering arm LH.28. Spacer

Paragraph 2damage shim (or shims) 141 On)ivc 1,ball socket and socket cap.

On all models, disconnect drag linkor power steering cylinder from leftsteering arm, then drive out the groovepin or bolt (9-Fig. 1 or 2) whichretains axle pivot pin (5) in frontsupport (7). Jack up tractor enough totake the weight off the front axle,drive pivot pin forward out of frontsupport and remove the axle andwheels assembly. Do not damage theshim (or shims ) which are between axlemain member and front support. Shimsare available in thicknesses of 0.002,0.0032, 0,0048, 0.010, 0.028 and 0.u36.Any further disassembly is evident.

Series 424 -444-2424-24442. The axle main member (18 Fig. 4,

5 and 6) pivots on pin (17) which isretained in lower holster (20) by a capscrew. The pre-sized pivot bushing (191is pressed into position and can beremoved after the axle main memberhas been removed from tractor . Normalclearance between pivot pin and bush-ing is 0.008-0.014.

To remove the axle main memberassembly, support front of tractorusing a jack under the clutch housing.Disconnect tie-rods from steering armat center of tractor. On modelsequipped with standard axle (Fig. 4) orheavy duty axle ( Fig. 6) and withpower steering, disconnect hydrauliccylinders from axle main member. Onmodels equipped with narrow treadaxle (Fig. 5) and with power steering,unpin anchor end of cylinder and unboltand remove lower cylinder arm (33).Remove cylinder or secure with wireon left side of tractor. Then on allmodels, adjust the height of the jack to

27

2526 -^ /

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S--^

624--x/

e p43

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Paragraphs 3-5remove weight from front tires. Re-move pivot pin retaining cap screw anddrive out pivot pin. Unbolt and removestay rod ball socket cap (13 ). Raisefront of tractor and roll front axleassembly forward from under tractor.

STEERING KNUCKLES

Series B-275-B -414-354 -364-3843. The steering knuckles can be

removed from the axle extensions aftersteering arms and wheel assemblieshave been removed.

After being pressed into place, reaminside diameter of new knuckle bush-ings ( 1-Fig . 1 or 2 ) to 1.359 -1.360.Outside shaft diameter of new steeringknuckle ( 8 or 11-Fig . 7) is 1 .357-1.358.Operating clearance between knuckleshafts and bushings is 0.001-0 .003. Usea piloted drift when installing bushingsand install same with outer ends flushwith bore.

Series 424 -444-2424-24444. To remove the steering knuckles

(1-Fig. 4 or 5) from tractors equippedwith adjustable front axle, first supportfront of tractor and remove front wheelassemblies . Disconnect tie rods (9) fromsteering arms ( 8 and 27 ) and removethe arms from steering knuckles.

0 3233

"INTERNATIONAL HARVESTERRemove Woodruff keys and lowersteering knuckles out of axle.

The procedure for removing steeringknuckles (1-Fig. 6) from the non-adjustable heavy duty axle is the sameas the adjustable axle with the follow-ing exceptions : The steering arms andsteering knuckles are splined instead ofhaving Woodruff keys . Snap rings (7)must also be removed before steeringknuckles can be removed from axle.

Steering knuckle bushings (5-Fig. 4,5 and 6) should be installed with aclosely fitting mandrel and sized afterinstallation , if necessary , to provide arecommended clearance of 0.002-0.004

Fig. 6-Exploded view ofSeries 424, 444 , 2424 and2444 heavy duty non-ad-justable front axle and

component parts.

1. Steering knuckle3. Felt washer4. Thrust bearing5. Bushing7. Snap rung8. Steering arm R.H.9. Tie rod ssay.

10. Bell socket11. Ball12. Shim13. Cap14. Lock plateI7. Pivot pin18. Axle main member19. Pivot bushing20. Lower bolster24. Tube25. Clamp26. Tie rod end27. Steering arm L.H.28. Spacer

Fig. 7-Exploded viewof Series B-275, 8-414,354, 364 and 384 steeringknuckles, steering arms,tie rod and drag link usedon models with no powersteering. Models withpower steering are similar.

Fig. 5-Exploded view of Series 424, 444, 2 D2424 and 2444 narrow tread adjustable front . rag link3. Grease fittingaxle and component parts. 4. L.H. steering arm

5. R.H. steering arm1. Steering knuckle 6 Tie rod2. Woodruff key 18. Axle main member .7. Thrust bearing3. Felt washer 19. Pivot bushing 8. R.H. steering knuckle4. Thrust hearing M. Lower bolster 11. L.H. steering knuckle5. Bushing 22 . Tie rod extension 18. Dust shield6. Axle extension 24. Tube 14. Felt washer8. Steering arm R . H. 25. Clamp 15. Bearing spacer9. Tie rod saay. 26. Tie rod end 18. Oil seal10. Ball socket 27. Steering arm L.H. 17. Bearing cone11. Ball 28. Spacer 18. Bearing cup12. Shim 29. Rear bushing 19. Bearing cup13. Cap 30. Cylinder arm (upper) W. Bearing cone14. Lock plate 31. Pivot Pin lock 21. Retainer washer15. Axle clamp 32. Front bushing17. Pivot pin 33 Cylinder arm ( lower)

30 iA_

for the steering knuckle.When installing thrust bearings (4)

on steering knuckles , make certain thatopen end of outer race is facing down-ward.

TIE-ROD , DRAG LINKAND TOE-IN

All Models5. On early B-275 models the tie-rod

and drag link. ends are of the non-adjustable type and excessive wear iscorrected by renewal of the completetie-rod and/or drag link. On later B-275

ser

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INTERNATIONAL HARVESTERand all other models, component partsare available and can be purchasedseparately.

On Models B-275 and B-414, correcttoe-in of 1/4 to 3/8 inch is obtained byloosening the tie-rod clamps and rota-ting tie-rod either way as required. Ifnecessary, adjust the drag link in asimilar manner until there is equalcontact at the stops when front wheelsare turned full left and full right.

The correct toe-in for Models 354,364, 414 , 2424 and 2444 is 3/16 to 5/16inch and 0 to 1/16 inch for Model 384.Both tie -rods must be adjusted equallyso that full left and full right turningradius of the tractor will be the same.

from drop (Pitman) arm, then unboltand remove steering gear assemblyfrom tractor.

With assembly removed as outlined,vary shims under worm shaft end cap(15-Fig. 8) to provide zero end play ofthe worm shaft. Shims are available inthicknesses of 0.0024, 0.005 and 0.010.

7. ADJUST ROCKER SHAFT. Steer-ing gear assembly need not be removedto adjust rocker end play. Remove sidecover (1-Fig. 8) and vary shims (2)until -a slight drag can be felt whensteering gear passes through its mid(straight ahead) position. Disconnectdrag link from drop (Pitman) arm whenmaking this adjustment. Shims areavailable in thicknesses of 0.0024, 0.005and 0.010.

STEERING GEARSeries B-275-8414

The cam and lever steering gearassembly is provided with shim adjust-ments to compensate for wear of thesteering worm (cam) shaft and therocker shaft. The complete assembly isdoweled and bolted to the clutchhousing.

6. ADJUST WORM SHAFT. Toadjust the steering worm shaft it isrecommended that the unit be removedfrom tractor as follows:

Unlatch and raise hood, then removethe battery cover plate. Remove bat-tery hold-down, disconnect batterycables and lift out batteries.

NOTE: Removal of left battery will besimplified if the hold-down studs areunscrewed from battery tray. It will alsobe easier to handle the fuel tank if thefuel is drained at this time.

Remove knob from fuel shut-off rod,then unbolt and remove the lowerinstrument panel. Remove filler panelfrom center of upper instrument panelthen unbolt upper instrument paneland lay same on right hand foot plate.

NOTE : It is not necessary to discon-nect the oil pressure line from gageproviding care is exercised.

Remove steering wheel and if forceis required, use a puller. Do not use ahammer. Disconnect link from lowerend of hand throttle lever, then unboltbracket and friction disc assembly fromupper end of steering shaft tube andpull hand throttle lever from fuel tanktunnel. Straighten tabs of lock plates,then unbolt tank and move same upand over steering column. Disconnectfuel shut-off rod at forward end andremove. Remove the cross shaft to bell-crank control rod. Disconnect drag link

8. OVERHAUL. To overhaul thesteering gear assembly, first removesame as outlined in paragraph 6.

With unit removed, proceed as fol-lows: Remove drop (Pitman) arm (6-Fig. 8) by using a suitable puller.Remove side cover (1) and be carefulnot to lose or damage shims (2). Rockershaft (3) can now be removed.

Fig. 8-Exploded view ofSeries B - 275 and B-414steering gear assemblyshowing the componentparts and their relative

positions.). Side cover2. Shim 10.0024. 0.005.

0.010)3. Rocker shaft4. Bushings5. Oil seal6. Drop Ipitman) arm7. Felt bushing6. Housing & tube9. Filler plug10. Bearing cup11. Bearing1s. Cam ( worm) shaft14. Shim (0.0024 . 0.005.

0.010)15. End cover

Paragraphs 6-8NOTE: Do not drive on drop (Pitman)

arm to remove it from rocker shaft asdamage to internal parts could result. Ifa suitable puller is not available,remove side cover first, then driverocker shaft from drop arm using theretaining nut, or some other means .,.prevent damage to ille rocnei snot,threads.

Remove worm shaft end cover (15)and be careful not to damage or loseshims (14). Withdraw worm shaft (13)and bearing assemblies (10 and 11).Balance of disassembly is evident andwill be dictated by the repair needed.

If new bushings (4) are installed,align ream same to an inside diameterof 1.2495-1.2510. If felt bushing (7) isrenewed, it is recommended that thenew felt bushings be soaked in warmgraphite for 12 hours before installa-tion. Oil seal (5) is installed with Ill,facing toward inside.

Reassemble by reversing the dis-assembly procedure. Adjust worm shaftto zero end play by varying shims (141located under end cap (15). Adjustrocker shaft (3) by varying shims (2Iunder side cover (1) until a slight drug

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Paragraphs 9-11is felt on steering wheel when gearpasses through the straight ahead posi-tion. All shims are available in thick-nesses of 0.0024, 0.005 and 0.010. Usepaper gaskets on end cover (15) andside cover (1) when assembling. Torquedrop arm retaining nut to 150 ft. lbs.

Series 354 -364-384

9. R&R AND OVERHAUL. Toremove steering gear assembly, removehood, battery and battery carrier. Ondiesel tractors remove leak-off pipe andshut-off lever. Close shut-off tap anddisconnect fuel pipe and sender unitcable, then unbolt and remove fueltank. Remove steering wheel, unboltinstrument panel and support fromsteering gear assembly, disconnect footaccelerator and necessary wires, liftunit up and set to one side.

NOTE : It is not necessary to discon-nect oil pressure line from gageproviding care Is exercised.

Disconnect drag link from drop(Pitman) arm, then unbolt and removesteering gear assembly from tractor.With unit removed proceed as follows:Punch mating marks on the drop armand rockershaft to aid assembly. Re-move drop arm (13-Fig. 9) by usingsuitable puller, then remove side plate(16). Rockershaft (14) can now beremoved. Remove the tube assembly(2) and being careful not to damage orlose shims (5). remove wormshaft (7)and bearing assembly.

After being pressed into place theinside diameter of new rocker shaftbushings (10-Fig. 9) is 1 .3748-1.3758.Oil seal (11) is installed with lip facingtoward inside.

Reassemble by reversing the disas-sembly procedure. Adjust worm shaftto zero end play by varying shims (5)located under tube assembly (2).

NOTE : Bearing must not be pre-loaded.

Adjust rockershaft (14) by turningthrust screw (18) in side cover (16)until a slight drag is felt on steeringwheel when gear passes through thestraight ahead position. Torque droparm retaining nut to 150 ft.-lbs.

Series 424-444-2424-2444The manual steering worm and worm

wheel are located in the steering gearhousing which is bolted to the frontface of the engine. The center steeringarm is keyed to the lower portion ofthe worm wheel shaft and the axlesupport (lower bolster) is retained tothe steering gear housing by four capscrews. The manual steering unit isnon-adjustable.,

INTERNATIONAL HARVESTER10. REMOVE AND REINSTALL.

The steering gear housing, lowerbolster and front axle assembly can beremoved with radiator installed; how-ever, some mechanics prefer to removethe radiator.

To remove steering gear housingwith radiator attached, proceed as fol-lows: Drain cooling system, removehood and disconnect upper and lowerradiator hoses. Disconnect the head-light wires and unbolt the radiatorbrace and fan shroud from radiator.Drive roll pin from forward yoke ofsteering shaft universal and removecap screws from front steering, shaftsupport. Drive front universal fromsteering worm shaft. Place wood blocksbetween steering gear housing and axleto prevent tipping. Using a suitablejack under the clutch housing raisefront of tractor to remove most of theweight from the front tires. Unbolt thestay rod bracket from clutch housingthe steering gear housing from front ofengine . Raise engine until crankshaftpulley will clear steering gear housing,then roll complete front end assemblyfrom tractor.

11. OVERHAUL. The steering gearcan be overhauled without removingthe assembly from tractor.

To remove the steering worm, pro-ceed as follows: Remove hood, grille,side panels and grille housing and then,drain steering gear housing. Disconnect

Fig. 9-Exploded view ofSeries 354 , 364 and 384steering gear assemblyshowing the componentparts and their relative

positions.1. Bushing assy.2. Tube any.3. Bushing4. Oil level plug5. Shims (0.0024. 0.m5 &

0.010)6. Bearing any.7. Shaft easy.8. Bearing any.9. Housing10. Bushingsit. Seal12. Ringi 3. Drop (pitman) arm4. Rocker shaft15. Gasket16. Side cover17. Lockout18. Thrust screw

the steering shaft front universal fromworm shaft and the steering shaft frontsupport from the fuel tank bracket.Drive universal from worm shaft andremove the Woodruff key. Remove thesteering worm retainer (5-Fig . 10) andturn worm shaft forward out ofhousing.

To remove ball bearing (7), removecotter pin and nut and bump wormshaft out of bearing. When reinstallingthe bearing on worm shaft, tighten nutto a torque of 75-120 ft.-lbs. Do notback off nut to below 75 ft.lbs. toinstall cotter pin . Worm shaft bushing(11) and oil seal (12) can be renewed atthis time. If needle bearing (10) isbeing renewed, it must be installed tothe dimension shown in Fig. 11.

To remove the steering worm wheeland shaft assembly, proceed as follows:Disconnect the tie -rods from centersteering arm and unbolt stay rodbracket from clutch housing . Place ajack under clutch housing to supportfront of tractor . Remove axle pivot pin,raise front of tractor and roll the frontaxle assembly forward . Unbolt andremove lower bolster from steeringgear housing . Remove the cap screwsretaining the worm wheel cage (21-Fig. 10) to steering gear housing andremove the worm wheel and shaftassembly. Remove center steering arm(23) and withdraw worm wheel andshaft ( 18). Bushing and oil seal can berenewed at this time . Oil seal is

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INTERNATIONAL HARVESTER

installed with lip of same facing towardinside of steering housing. When rein-stalling center steering arm, clamp thearm in a vise and tighten the retainingnut (24) to a torque of 200-250 ft.-lbs.If, when tightening the steering armretaining nut, a castellation of the nutdoes not align with the cotter pin holdat some point between the specified

install nudlo bearingto dimension 'hean

Fig. 11-When renewing needle bearing inSeries 424 or 444 mechanical steering gearhousing, install the bearing to dimension

shown.

Fig. 10-Exploded view ofmechanical steering gearassembly used on Series

424 and 444.1 near steering shah2. near shaft support3. Pedestal4 Rear steering ialnt

Steering wormretainer

6 Not7. Ball hearing8. Worn, shaft9 Steering gear

housing10. Needle bearingi I. Bushing2. Oil seal

N . Front steering joint. Center steering joint

15. Shim (0.008)6. Adapteri7: Shim (0.021 is 0d33)18. Worm wheel19. Gasket20. Bushing21. Cage22. Oil meal23. Center steering a rm24. Not

200-250 ft.-tbs. torque, continue totighten nut. Do not backoff (loosen)nut to obtain alignment.

When reinstalling the worm wheelassembly, be sure large diameter ofadater (16) is on top side. Install shims(15 and 17) as required to removeexcessive end play of worm wheel andshaft assembly (18).

POWER STEERINGSeries B-414 -354-364-384

12. The power steering system usedon B-414 prior to serial number 21196is comprised of the steering gear

Fig. 12- View showinggeneral arrangement ofearly Series B - 474 power

steering components.1. Reaction bracket2 Cylinder & valve assy-3. Drag link4. Connecting link5. Banjo6. Banjo bolt7. HoseS. Hos9. Flow control valve10. Suction line11. Hydraulic pump12. Pressure line13. Adapter14. Shield15. Rubber insert

Paragraphs 12-13assembly, a flow control valve and a

. power steering cylinder and controlvalve assembly . See Fig. 12 for aschematic view showing the generalarrangement of the component parts.Pressurized oil for the operation of thepower steering system is furnished bytiter smile engine driven pump ,vhllsupplies the hydraulic lilt system.

Late production B-414 tractors (serialnumber 21196 and up ) and all 354, 364and 384 tractors are equipped with adual stage pump and a relief vulvablock. Refer to Fig. 13. Flow convol(divider) valve is not used on tLasystem.

For information pertaining to thesteering gear assembly , which is thesame as that used on models with nopower steering , refer to paragraphs 6through 9.

Series 424-444 -2424-244413. A full time (Hydrostatic) power

steering system is used on this series.Refer to Figs. 14 and 15 for aschematic view showing the generallayout of components and tubing forthe system.

NOTE: The maintenance of absolutecleanliness of all parts is of utmostimportance in the operation and ser.vicing of the hydraulic power steeringsystem . Of equal importance is theavoidance of nicks or burrs on any ofthe working parts.

The power steering system is com-posed of the following components: Anengine driven gear type pump, a flowdivider valve, a spool type directionalcontrol valve, a gerotor type pump onthe steering wheel shaft and two ramtype single acting steering cylinders onmodels equipped with the standardaxle (Fig. 4) or the heavy duty axle(Fig. 6) and one double acting cylinderon models equipped with narrow treadfront axle (Fig. 5).

9


Paragraphs 14-16LUBRICATION AND BLEEDINGSeries B-414 -424-444-2424-2444-354-364-384

14. The hydraulic lift housing servesas the fluid reservoir for both thepower steering system and the hydrau-lic lift system. Capacity of the reservoiris 3.0 gallons. Recommended fluid is IH"Hy-Tran" fluid.

To bleed the power steering systemon B-414, 354, 364 and 384 tractors, fillreservoir to bottom of filler hole, startengine and cycle the steering systemfrom lock to lock position until all air isbled from system. Recheck fluid levelin reservoir and add fluid as required.

On Models 424, 444, 2424 and 2444,fill reservoir to proper level and then,start engine and run at low idle speed.Rotate steering wheel (hand pump) asrapidly as possible in order to activatethe control valve and continue to rotatethe steering wheel until the frontwheels reach the stop in the directionin which the steering wheel is beingturned. Now quickly reverse the direc-tion of steering wheel and follow sameprocedure until front wheels reach stopin opposite direction. Continue to turnfront wheels from lock to lock untilsteering wheel has no wheel spin (freewheeling) and has a solid feel with noskips or sponginess. Check and addfluid to reservoir, if necessary.

TROUBLESHOOTING

Series B-414 .354-364-38415. Some of the troubles that may

arise in the operation of the powersteering system and their possiblecauses are given as follows:

1. Loss of Power Assist.a. Fluid level low.b. Connections loose or damaged.c. Relief valve sticking.d. Power cylinder internal parts

worn.

e. Control valve sticking.f. Low pump output.

2. Binding.a. Power cylinder internal parts

worn.b. Ball pin binding.c. Control valve sticking.d. Worn ball pin cups.e. Loose locating sleeve.

3. Heavy Steering.a. Relief valve sticking.b. Power cylinder internal parts

worn.

c. Control valve sticking.d. Worn ball pin cups.e. Loose locating sleeve.f. Low pump output.

4. Noisy Operation.a. Fluid level low.

INTERNATIONAL HARVESTERb. Relief valve sticking.c. Control valve sticking.

5. Steering Chatter.a. Worn piston rod ball cups.b. Loose reaction bracket.

Series 424-444-2424-244416. The following list shows some of

C

the troubles, and their possible causes,which may occur in the operation of theHydrostatic steering system.

1. No Power Steering or SteersSlowly.a. Excessive load on front wheels

and/or air pressure low in fronttires.

R 91 Cylinder

Relief valveassembly

0 0 Suction line -Rear

Reservoir

Pressure lineto hitch

S Deal hydraulicpump asse mbly

Pressure hereto steering

Fig. 13-View showing general arrangement of power steering components used on all Series354, 364 , 384 and Series B-414 S/N 21196 and later . On tractors equipped with P92 cylinder,

supply and return hoses are connected to cylinder In reverse of connections shown.

49

Fig. 14-Schematic view showing the general arrangement of the power steering systemcomponents of Series 424, 444, 2424 and 2444 used with front axles shown In Figs . 4 and 8.

5. Hand pump 49. Flow divider valve85. Steering cylinder 51. Control (pilot) valve

Fig. 15-Schematic viewshowing the general ar-rangement of the powera testing system compo-nents used on Series424, 444, 2424 and 2444equipped with the narrowtread front axle shown in

Fig. S.5. Hand pump

35. Steering cylinder49. Flow divider valve51. Control (pilot) valve

w

10


INTERNATIONAL HARVESTERb. Steering cylinder faulty.c. Faulty commutator in hand

pump.d. Flow divider valve spool stick-

ing or leaking excessively.e. Control (pilot) valve spool stick-

ing.2. Will Not Steer Manually.

a. Excessive load on front wheelsand/or air pressure low in fronttires.

b. Pumping element in hand pumpfaulty.

c. Steering cylinder faulty or dam-aged.

d. Pressure check valve leaking.e. Control (pilot) valve spool bind-

ing or centering spring broken.3. Hard Steering Through Complete

Cycle.a. Low pressure from supply

pump.It. Internal or external leakage.c. Line between hand pump and

control (pilot) valve obstructed.d. Faulty steering cylinder.e. Excessive load on front wheels

and/or air pressure low in fronttires.

4. Momentary Hard or Lumpy Steer-ing.a. Air in power steering circuit.b. Control (pilot) valve sticking.

5. Shimmy.a. Control (pilot) valve spring

weak or broken.b. Control (pilot) valve spring

washers bent, worn or broken.

steering circuit can be made as follows:Connect a pressure gage, capable ofregistering at least 3000 psi, in serieswith the pressure line running to thepower steering cylinder. Run engineand cycle steering system until fluid isat operating temperature, advance theengine speed to 2000 rpm, turn frontwheels against either stop, continue toapply turning effort to steering wheeland observe the pressure gage readingwhich should be 900-1100 psi.

If pressure is as stated, hydraulicpump and relief valve can be consideredsatisfactory and any trouble is locatedin the power steering cylinder, controlvalve or connections.

If pressure is higher than stated,relief valve is probably stuck in theclosed position and should be removedand cleaned or renewed. If pressure islower than specified, remove andinspect relief valve assembly (items 6through 10-Fig. 16 or items 13through 19-Fig. 17). Spring (8-Fig.16) should have a free length of 1.250inches and test 21 lbs. when com-pressed to a length of 1.087 inches.Plug (6), spring (8), ball (9) and sleeve(10) are catalogued separately . Spring(15-Fig. 17) should have a free lengthof 2.250 inches and should test 47.5 lbs.when compressed to a lengh of 2.012inches. If servicing the relief valve doesnot correct the pressure reading,overhaul hydraulic pump as outlined inparagraph 198 or 199.

SYSTEM OPERATINGPRESSURE

Series B-414 -354-364-38417. A pressure test of the power

Series 424-444 -2424-244418. To check power steering opera-

ting pressure, refer to paragraph 34which gives the method of checking theflow divider relief valve pressure.

Fig. 16-Exploded view ofearly Series B-414 flowcontrol and relief valveassembly used with single

stage pump.I. Snap ring2. Plug3. ring4, Spring5. Plow control valve6. Plug & pin7. Seal washer

9. Relief valve ball10. Valve guideII. Valve body & tubes

ae y.12. Plug

Paragraphs 17-22POWER STEERING

OPERATIONAL TESTS

Series 424 -444-2424-244419. The following tests are valid only

when the power steering system iscompletely void of any air. If neces-sary, bleed system as outlined in para-graph 14 before performing any opera-tional tests.

20. MANUAL PUMP. With enginedriven pump inoperative ( engine notrunning ), attempt to steer manually inboth directions.

NOTE: Manual steering with enginedriven pump not running will requirehigh steering effort. It manual steeringcan be accomplished with engine drivenpump inoperative, it can be assumedthat the manual pump will operatesatisfactorily with the engine drivenpump operating.

Refer also to paragraph 22 for infor-mation regarding steering wheel (man-ual pump) slip.

21. CONTROL (PILOT) VALVE.Attempt to steer manually ( engine notrunning). Manual steering will requirehigh steering effort but if steering canbe accomplished , control (pilot) valve isworking.

No steering can be accomplished ifcontrol valve is stuck on center. Acontrol valve stuck off center will allowsteering in one direction only.

22. STEERING WHEEL SLIP TEST.Steering wheel slip is the tern) used todescribe the inability of the steeringwheel to hold a given positiur: wittuutfurther steering movement . Wheel slipis generally due to leakage, eitherinternal or external, or a faulty handpump , steering cylinder or control(pilot ) valve. Some steering wheel slip,with hydraulic fluid at operating tem-perature , is normal and permissible. Amaximum of three revolutions per min-

Fig. 17-Exploded view of Series 5-414, l54,364 and 384 power steering elier valve

assembly used with dual stage pump.

13. Spring housing 17 . Relief valve ball14. "0" ring 18 . Valve seat15. Spring 19. Washer16. Ball rider 20. Relief valve block

11


Paragraphs 23-25

ute is acceptable . By using the steeringwheel slip test and a process ofelimination, a faulty unit in the powersteering system can be located.

However, before making a steeringwheel slip test to locate faulty compo-nents, it is imperative that the com-plete power steering system be free ofair before any testing is attempted.Hydraulic fluid must also be at thecorrect level in reservoir.

To check for steering wheel slip,cycle steering system until all compo-nents and fluid are at operating tem-perature (150F). Remove steeringwheel cap ( monogram ), then turn frontwheels until they are against stop.Attach a torque wrench to steeringwheel nut.

NOTE: Either an inch -pound, or afoot-pound wrench may be used; how-ever, an inch -pound wrench is recom-mended as it is easier to read.

Advance throttle until engine reaches2000 rpm, then apply 72 inch-pounds (6foot-pounds) to torque wrench in samedirection as the front wheels are posi-tioned against stop. Keep this pressure(torque) applied for a period of oneminute and count the revolutions ofthe steering wheel. Use same proce-dure and check the steering wheel slipin the opposite direction. A maximumof three revolutions per minute ineither direction is acceptable andsystem can be considered as operatingsatisfactorily. If the steering wheelrevolutions per minute exceed three,record the total rpm for use inchecking the steering cylinder onmodels equipped with double actingsteering cylinder (Fig. 19).

NOTE: While three revolutions perminute of steering wheel slip is accept.able, It is generally considerably less innormal operation.

23. STEERING CYLINDER TEST.If steering wheel slip is more thanthree revolutions per minute on modelsequipped with double acting steeringcylinder, check the steering cylinderfor internal leakage as follows: Be sureoperating temperature is being main-tained, then disconnect and plug thesteering cylinder lines. Repeat thesteering wheel slip test , in both direc-tions, as described in paragraph 22. Ifsteering wheel slip is 1/4 rpm or more,below that recorded in paragraph 22,overhaul or renew the steering cylin-der.

INTERNATIONAL HARVESTERPOWER STEERING CYLINDER

AND CONTROL VALVE

Series B -414.354-364-384

24. REMOVE AND REINSTALL. Toremove the power steering cylinderand control valve assembly, first dis-connect hoses from cylinder and eitherplug hoses or suspend the disconnectedends high enough to prevent fluiddrainage. Turn front wheels full leftand full right several times to clear oilfrom cylinder and control valve. Dis-connect drag link from ball pin, thendisconnect cylinder from steering armand reaction bracket and remove as-sembly from tractor.

CAUTION: Do not use a wedge orpinch bar to remove drag link from ballpin as damage to control valve couldresult. Use a puller.

When reinstalling, be sure anchorball (50-Fig. 18) moves freely butwithout slack in its cups. Vary shims(52) to adjust anchor ball.

After cylinder and valve are installed,fill and bleed system as outlined inparagraph 14.

25. OVERHAUL. The overhaul pro-cedure given is for the R91 steeringcylinder. Overhaul procedure for theR92 cylinder is similar . The pressureand return ports are reversed on the

Fig. IS-Exploded view of Series B-414 , 354, 364 and 384 power steering cylinder and valveassembly . Refer to Fig

.12 for view of connecting link which fits into take -off extension (2),

1. Lock ring 14. Reaction ring 27. Spring cover 40. Velumoid washer2. Takeoff extension 15. Reaction spring 28. Ball pm 41. Washer3. Spring clip 16. washer 29. Outer tube 42. Scraper4. Ball cup holder 30. Inner tube 43. Scraper housing5. Ball cup 18. Valve spool 31. Not 44. Snap ring6. Ball cur 19. Valve body 32. Piston 45. Scraper7. Belleville washers 20. End cover 33. Piston ring 46. Lock ring8. Backing washer 21. "0" ring 34. Piston rod 48. Rubber boot9. Locating sleeve 22. Snap ring 35. Rushing 49. Inner ball cup

10. Nut 23. Relief valve ball 36. Bearing housing 50. Anchor ball11. Operating sleeve 24. Spring 37. "0" ring 51. Pin12. Spacer 2 Plug & i 38. Seal spreader 52. Shim13. Collsr 26. Felt pad 39. Gland seal 53. Outer ball cup

12


INTERNATIONAL HARVESTERR92 cylinder and the by-pass valve isinstalled in the opposite end of valvebody. The reaction ring was also elimi-nated on the R92 cylinder. With powersteering cylinder and control valveassembly removed as outlined in para-graph 24, refer to Fig. 18 and proceedas follows: Drive pin (51) from anchorball (50) and remove anchor ball, innerball cup (49) and rubber cover (48)from piston rod. Remove cotter pinsfrom cylinder ends. Remove bearinglock ring (46), then pull piston andbearing assembly ( 36) from cylinder.Remove retaining nut and washer andremove piston (32) from piston rod,then remove bearing assembly (36)from piston end of piston rod. Snapring (44), scraper (45) and seal assem-bly (items 38 through 43) can now beremoved from bearing assembly (36).

Loosen jam nut and remove con-necting link from forward end of cylin-der. Remove spring cover (27) and feltpad (26). Remove lock ring (1) andtake-off extension (2), then removespring clip (3), ball cup holder (4) andball cup (5). Remove ball pin (28) fromend of cylinder, then remove ball cup(6), Belleville washers (7) and backingwasher (8). Remove control valve andinner tube (30) assembly from outertube (29) and remove inner tube fromcontrol valve body. Remove the cotterpin, nut (10) and washer from forwardend of spool (18). The operating sleeve(11), spacer (12) and collar (13) can nowbe removed. Remove reaction ring (14),spring ( 15), washer ( 16) and "0" ring(17) from spool. Remove snap ring (22),end cover (20) and "0" ring. Removerelief valve plug and pin (25), spring(24) and ball (23).

26. Thoroughly clean all parts andinspect for wear and/or damage.

Inspect spool and valve body forburrs and scoring. Burrs can beremoved using crocus cloth or very fineemery cloth. Fit of spool in body isconsidered satisfactory when spool willfall freely by its own weight into thevalve body when coated with a lightfilm of oil.

NOTE: Valve spool and body are notcatalogued separately and must be pur-chased as a mated pair.

Use caution when depressing spoolnot to round off any of the sharp edges.To do so may affect the operation ofthe valve.

Inspect the mating surfaces of theoperating and locating sleeves andremove any burrs or scoring withcrocus cloth or very fine emery cloth.The operating sleeve should slide freelyin the locating sleeve when coated witha light film of oil.

Inspect the inner tube, piston, piston

ring, piston rod and bearings for signsof wear, scoring and distortion. Renewas necessary.

NOTE: Piston rod (34), bushing (35),bearing housing ( 36), anchor ball (50)and anchor ball pin ( 51) are not avail-able separately.

Inspect anchor ball, anchor ball pinand anchor ball cups for signs of wearor hammering and renew as necessary.

Use all new "0" rings when reassem-bling.

27. To reassemble the power steeringcylinder and control valve assembly,the following procedure is recom-mended: Install relief valve ball andspring in valve body and tighten theplug and pin assembly securely. Anyrenewal of dowel pins can be accom-plished by driving the new pins intoplace. Install new "0" ring on endcover (20) of valve body end cover,then install end cover in valve bodyand secure with snap ring (22). Installinner tube (30) on valve body and besure slot in inner tube mates withdowel of valve body. Place new "0"rings on forward end of valve spool andoutside diameter of reaction ring, theninstall the washer, spring and reactionring on spool and be sure the chamfersof reaction washer and reaction ringface valve spool. Install the collar onthe threaded portion of spool, theninstall spacer over collar. Positionspacer so that the holes in same alignwith corresponding holes and dowel pinin valve body. Assemble the operatingsleeve on the collar, then install thesteel washer and nut. Tighten nut to atorque of 110 in.-lbs. and install cotterpin. Lubricate the operating sleeve,then slide locating sleeve over same.

Install seal spreader into the pistonrod bearing, flat side first; then, usingthe proper size socket, install glandseal. Start from piston end of pistonrod and slide snap ring, scraperhousing, square section scraper, flatwasher and vellumoid washer on pistonrod. Install bearing assembly on pistonrod, install seals and washers incounterbore of bearing assembly andsecure in place by installing snap ring.Install scraper. Install new "0" ring onoutside diameter of bearing assembly.

Install piston ring on piston, theninstall piston to piston rod, flat sidefirst and install washer and castellatednut. Tighten nut to a torque of 34-35ft.-lbs. and install cotter pin.

NOTE: Do not overtighten nut orpiston may distort and bind In tube.

Compress the piston ring and slidethe piston rod assembly into the innertube assembly as far as it will go,making sure shoulder of bearing assem-

Paragraphs 26-28bly enters inner tube. Lubricate spoolassembly and carefully slide same intovalve body making sure small hole inspacer is located on the dowel of thevalve body.

Slide the inner tuhe :ii .d valt^assembly into the outer t .tb trout Ih"anchorage (aft) end. Align the hoseports radially. Screw piston rod bear-ing lock ring into outer tube until hoseports are also aligned longitudinallyand a slot in the lock ring is alignedwith cotter pin hole, then install cotterpin.

Install backing plate, chamfer sidefirst, into the operating sleeve and besure it is correctly seated . Place heavygrease on the Belleville washers andplace them in recess of the rear ballcup with the convex sides together;then install ball cup and washers in theoperating sleeve. Install ball pin, frontball cup, ball cup holder, spring clipand take-off extension. Tighten takeoffextension until snug , then backoff44-turn. Install take-off extension lockring, tighten and secure with cotterpin.

Install rubber cover and inner anchorball cup on piston rod, then instal!anchor ball and retaining pin.

Mount power steering cylinder ontractor as outlined in paragraph 24. Filland bleed power steering system asoutlined in paragraph 14.

STEERING CYLINDER

Series 424-444-2424-2444

28. DOUBLE ACTING CYLINDER.To remove the double acting steeringcylinder (Fig. 19), disconnect andimmediately plug the hydraulic lines.Remove cap screws from lower steer-ing arm (33-Fig. 5) and disengagecylinder from steering arms. Removepin retaining anchor assembly U5-Fig.19) to axle main member and removecylinder assembly front tractor

Move piston trod back awl iorth s

Paragraphs 29-30Light scoring can be polished out byusing a fine emery cloth and oil,providing a rotary motion is usedduring the polishing operation. A cylin-der tube that is heavily scored orgrooved, or that is out-of-round, shouldhe renewed. Check piston rod and pis-ton for scoring, grooving and straight-ness. Polish out very light scoring withfine emery cloth and oil, using a rotarymotion. Renew rod and piston assemblyif heavily scored or grooved, or ifpiston rod is bent. Inspect piston ring(9) for frayed edges, wear and im-bedded dirt or foreign particles. Renewpiston ring if any of the above condi-tions are found.

NOTE: Do not remove " 0" ring (B)located under the piston ring unlessrenewal is Indicated as It Is not neces-sary to renew this "0" ring unless It isdamaged.

Inspect balance of "0" rings, back-upwashers and seals and renew as neces-sary. Inspect bores of cylinder headsand renew same if excessively worn orout-of-round.

Reassemble steering cylinder as fol-lows: Place "0" ring (14), with back-upwasher (13) on each side, in groove atinner end of anchor assembly oil tube.Install piston rod "0" ring (11) ingroove at threaded end of piston rod.

1 2 1333456 7

/ 8 9 10 11

-

------------ -1

14

13^ ^13 15r V^^

Fig. 19-Exploded view of double actingsteering cylinder used on Series 424, 444,2424 and 2444 equipped with narrow tread

front axle.

1. Wiper seal S. Piston "0" ring2. Cylinder head 9. Piston ring3. Back -up washer 10. Piston & rod4. "0" ring 11. "0" ring5. Back-up washer 12. Cylinder tube6. "0" ring 13. Beck -up washer7. Cylinder head 14. "0" ringretaining ring 15. Anchor assy.

INTERNATIONAL HARVESTERInstall wiper seal (1), back-up washer(3), "0" ring (4), back-up washer (5)and cylinder head "0" ring (6) to cylin-der head, then install cylinder headassembly over threaded end of pistonrod. Lubricate "0" ring and back-upwashers on inner end of anchor assem-bly oil tube and carefully insert intothreaded end of piston rod. Lubricatepiston rod "0" ring (11) and pushanchor assembly toward piston rod. As"0" ring on inner end of oil tube ap-proaches the drilled hole (port) in pis-ton rod (located near piston), use IHCtool FES 65, or equivalent, to depress"0" ring and washers so they will passthe port without being damaged. Screwanchor assembly onto piston rod andtighten to a torque of 150 ft.-lbs. Lubri-cate piston ring (9) and cylinder head"0" ring (6), then using a ring com-pressor, or a suitable hose clamp,install piston and rod assembly intocylinder tube. Install cylinder head incylinder tube so hole in groove willaccept nib of retaining ring. Positionretaining ring and pull same into itsgroove by rotating cylinder head. Com-plete balance of assembly by reversingdisassembly procedure.

Reinstall unit on tractor, then fill andbleed the power steering system asoutlined in paragraph 14.

29. SINGLE ACTING CYLINDERS.To remove the single acting steeringcylinders, disconnect the lines fromsteering cylinders and cap the lines toprevent dirt from entering system.Disconnect the cylinders from thecenter steering arm and axle mainmember, then remove the cylindersfrom tractor.

To disassemble the removed cylin-ders, pull the rod (5-Fig. 20) from thecylinder barrel (1). Normal service onthe single acting cylinders consists ofrenewing the "0" ring (2 ), back-upwasher (3) and wiper seal (4).

After reinstalling the cylinders, filland bleed the system as outlined inparagraph 14.

HAND PUMP

Series 424-444-2424-2444

30. REMOVE AND REINSTALL. Toremove the hand pump, remove steer-ing wheel and panel below instrumentpanel.

NOTE: Use a puller to remove steer-

22-0(0-210 -20

19-(7C-18

17-0-16

IS-aQ- 14

13-

0 -1211-0

- 9A

-78-9

4-

-3

Fig. 21-Exploded view of power steeringhand pump assembly.

eFig. 20-Exploded view of a single actingcylinder used on Series 424, 444, 2424 and2444 equipped with standard adjustable frontaxle or heavy duty non-adjustable front axle.1. Barrel2. "0" ring 4. Wiper seal3. Back-up washer 5. Rod

1. Cap screws2. End plate3: Seal retainer4. Seal5. Rotor at6. Spacer7. Link pin8. Drive link9. Commutator

9A. Commutator pin10. Ch pling (input)

11. Thrust bearing12. Bearing race13. Body14. Needle bearing15. Seal16. Back-up washer17. Spacer18. Washer19. Snap ring20. Felt seal21. Water at22. Wheel nut

n

aa.

ass

14


INTERNATIONAL HARVESTERing wheel , do not bump on upper endof steering wheel shaft.

Disconnect lines from hand pump,then unbolt and remove hand pumpfrom under instrument panel.

Reinstall by reversing the removalprocedure and bleed power steeringsystem as outlined in paragraph 14.

31. OVERHAUL MANUAL (HAND)PUMP. Remove the manual pump asoutlined in paragraph 30. Clear fluidfrom unit by rotating steering wheel(input) shaft back and forth severaltimes. Place unit in a soft jawed visewith end plate on top side, thenremove end plate retaining cap screwsand lift off end plate (2-Fig. 21).

NOTE : Lapped surfaces of end plate(2), pumping element (5), spacer (6),commutator (9) and pump body (13)must be protected from scratching,burring or any other damage as sealingof these parts depends only on theirfinish and flatness.

Remove seal retainer (3), seal (4),pumping element (5), link pin (7) andspacer (6) from body (13). Remove com-mutator (9) and drive link (8), with linkpin (7) and commutator pin (9A), frombody. Smooth any burrs or nicks whichmay be present on input shaft (10),wrap spline with masking tape, thenremove input shaft from body. Removebearing race (12) and thrust bearing(11) from input shaft. Remove snapring (19), washer (18), spacer (17),back-up washer (16) and seal (15). Donot remove needle bearing (14) unlessrenewal is required. If it should benecessary to renew bearing, presssame out pumping element end ofbody.

Clean all parts in a suitable solventand if necessary, remove paint fromouter edges of body, spacer and endplate by passing these parts lightlyover crocus cloth placed on a perfectlyflat surface. Do not attempt to dressout any scratches or other defects sincethese sealing surfaces are lapped towithin 0.0002 of being flat, However, in

Fig. 22-Position pumping element as shownto check tooth clearance . Refer to text.

cases of emergency, a spacer that isdamaged on one side only may be usedif the smooth side is positioned next tothe pumping element and the damagedside is lapped flat.

Inspect commutator and housing forscoring and undue wear. Bear in mindthat burnish marks may show, or dis-colorations from oil residue may bepresent, on commutator after unit hasbeen in service for some time. Thesecan be ignored providing they do notinterfere with free rotation of com-mutator in body.

Check fit of commutator pin in thecommutator. Pin should be a snug fitand if bent, or worn until diameter atcontacting points is less than 0.2485,renew pin.

Measure inside diameter of inputshaft bore in body and outside diame-ter of input shaft bearing surface. Ifbody bore is 0.006, or more, larger thanshaft diameter, renew shaft and/orbody and commutator.

NOTE : Body and commutator are notavailable separately.

Check thrust bearing and race forexcessive grooving, flat spots or anyother damage and renew bearingassembly if necessary.

Place pumping element on a flat sur-face and in the position shown in Fig.22. Use a feeler gage and check clear-ance between ends of rotor teeth andhigh points of stator. If clearanceexceeds 0.003, renew pumping element.Use a micrometer and measure width(thickness) of rotor and stator. If statoris 0.002 or more wider (thicker) thanthe rotor, renew the pumping element.Pumping element rotor and stator areavailable only as a matched set.

Check end plate for wear, scoringand flatness. Do not confuse the polishpattern on end plate with wear. Thispattern, which results from rotor rota.tion, is normal. Renew end plate ifworn or scored and is not within 0.0002of being flat.

When reassembling, use all new sealsand back-up washers. All parts, exceptthose noted below, are installed dry.Reassemble as follows: If needle bear-ing (14-Fig. 21) was removed, lubri-cate with IH Hy-Tran fluid, install frompumping element end of body andpress bearing into bore until inside endmeasures 3-13/16 to 3-7/8 inches frompumping element end of body as shownin Fig. 23. Lubricate thrust bearingassembly with IH Hy-Tran fluid andinstall assembly on input shaft withrace on top side. Install input shaft andbearing assembly in body and check forfree rotation. Install a link pin in oneend of the drive link, then install drivelink in input shaft by engaging the flats

Paragraph 31on link pin with slots in input shaft.Use a small amount of grease to holdcommutator pin in commutator, theninstall commutator and pin in bodywhile engaging pin in one of the longslots of the input shaft. Commutator isrorroclly installed whCn osI' ,..,.mutator is slightly below caling surface of body. Clamp body in a softjawed vise with input shaft pointingdownward. Again make sure surfacesof spacer, pumping element, body andend plate are perfectly clean, dry andundamaged. Place spacer on 1,oo, andalign screw holes with those of budp.Put link pin in exposed end of drivelink, then install pumping elementrotor while engaging flats of link pinwith slots in rotor . Position pumpingelement stator over rotor and alignscrew holes of stator with those ofspacer and body. Lubricate pumpingelement seal lightly with IH Hy-Tranfluid and install seal in seal retainer,then install seal and retainer overpumping element stator, Install endcap, align screw holes of end cap withthose in pumping element, spacer andbody, then install cap screws. Tight(!,cap screws evenly to a torque of 1b-_2ft.-lbs.

NOTE: If input shalt does not turnevenly after cap screws are tightened,loosen and retighten them again. How-ever , bear in mind that the unit wasassembled dry and some drag isnormal.

If stickiness or binding cannot beeliminated, disassemble unit and checkfor foreign material, nicks or burrswhich could be causing interference.

Lubricate input shaft seal with IHHy-Tran fluid and with input shaftsplines taped to protect seal, installseal, back-up washer, spacer , washerand snap ring . The felt washer and

Fig. 23-When renewing needle bearing inpump body, install same to dimension

shown.

15


Paragraphs 32-34 INTERNATIONAL HARVESTERwater sea) may be installed at this timebut there will be less chance of loss ordamage if installation is postponed untilthe time the steering wheel is installed.

After unit is assembled, turn unit onside with hose ports upward. Pour unitfull of oil and work pump slowly untilinterior (pumping element) is thorough-ly coated. Drain excess oil.

Reinstall unit by reversing the re-moval procedure and bleed powersteering system as outlined in para-graph 14.

With valve removed, disassemble asfollows: Refer to Fig. 24 and removeend caps (1) with "0" rings (2). Pullspool and centering spring assemblyfrom valve body. Place a punch orsmall rod in hole of centering springscrew (3) and remove screw, centeringspring (5) and centering spring washers(4) from spool. Remove plug (11), "0"ring (12) and circulating check ball (10).Remove retainer (16), seat (15), andpressure check valve ( 14) and spring(13).

Wash all parts in a suitable solventand inspect. Valve spool and spool borein body should be free of scratches,scoring or excessive wear. Spool shouldfit its bore with a snug fit and yetmove freely with no visible side play. Ifspool or spool bore is defective, renewcomplete valve assembly as spool andvalve body are not available separately.

Inspect pressure check valve andseat. Renew parts if grooved or scored.

Reassembly is the reverse of disas-sembly and the following points shouldbe observed. Coat all parts with IH Hy-Tran fluid , or its equivalent, prior toinstallation . Install spool assembly invalve body so that centering spring isat end opposite the recirculating valve.Measure distance between gasket sur-face of circulating check ball plug andinner end of roll pin. This distanceshould be 15/16-inch, and if necessary,obtain this measurement by adjustingroll pin in or out. Tighten end capretaining cap screws to a torque of 186in.-lbs.

FLOW DIVIDER VALVE to

CONTROL (PILOT) VALVE

Series 424-444-2424-2444

32. R&R AND OVERHAUL. Toremove the control (pilot) valve, drainthe hydraulic reservoir and disconnectthe hydraulic lines. Unbolt and removethe control (pilot) valve.

NOTE: Plug hydraulic lines andopenings immediately to prevent dirtfrom entering system.

Reinstall valve by reversing removalprocedure and bleed power steeringsystem as outlined in paragraph 14.

Series B-414

33. R&R AND OVERHAUL. Pro-cedure for removal of the flow controlvalve and tubing assembly will beobvious after an examination of theunit.

Removal of relief valve (items 6through 10-Fig. 25) can be accom-plished by removing plug (6). Removalof flow control valve (5) and spring (4)can be accomplished after removal ofsnap rings (1) and plugs (2 and 12).

Free length of spring (4) is 33/4inches and spring should test 18.0 lbs.when compressed to a length of 2-3/8inches.

Spring (8) should have a free lengthof 1.250 inches and test 21.0 lbs. whencompressed to a length of 1.087 inches.

Refer to paragraph 17 for method ofchecking the steering system operatingpressure.

Series 424 -444-2424-2444

34. R&R AND OVERHAUL. Toremove the flow divider valve, firstdrain the hydraulic system, then dis-connect the pump pressure hose, hitchsupply pressure pipe , power steeringsupply pressure pipe and the reliefvalve return pipe . Unbolt and removethe flow divider valve assembly.

Remove plug (3-Fig . 26) and spool(2), then unscrew slotted plug (8) andwithdraw relief valve spring (6) andrelief valve (5).

Inspect all parts for scratches, scor-ing and undue wear. Relief valvespring free length should be 1.238inches and should test 20-20.4 lbs. whencompressed to a length of 63/64-inch. If

Me

a

63121

1314-S15-.16-00

Fig. 24-Exploded view of the control (pilot)valve.

1. End cp2. 0" ag 9. Valve body3. Centering spring 10. Check ball

scre" 11. Plug4. Centering spring

w sh12. "0" ring13 S ia er

5. Centering spring. pr ng

14. Check valve6. Valve spool 16. Seal7. Plug 16. Retainer

Fig. 25-Exploded view ofSeries B -414 flow controland relief valve used with

single stage pump.1. Snap ring2. Plug3. "0" ring4. spring5. Flow control valve6. Plug & pin7. Seal weasher

9. Relief valve balllo. valve guideit. Valve body & tubes

any.12. Plug

16


INTERNATIONAL HARVESTERspool (2) or spool bore in valve body (1)is defective, renew complete valveassembly as spool and valve body arenot available separately. Spool shouldmove freely in its bore with no binding.

Coat all parts with Hy-Tran fluid, orits equivalent, and reassemble valve.

Reinstall valve by reversing removalprocedure, then fill and bleed powersteering system as outlined in para-graph 14.

To check the relief valve operatingpressure proceed as follows: Disconnecta steering cylinder hose, then using a

tee connector, install a gage capable ofregistering 3000 psi in this circuit.Start engine and run at 2000 rpm. Turnsteering wheel in the direction neededto pressurize the steering line in whichgage is installed . When wheels reachstop, continue to apply steering effortto steering wheel and note reading onthe gage. The gage should read1500-1600 psi. A too high reading indi-cates a stuck relief valve while a toolow reading could be caused by a weakor broken relief valve spring or a wornor scored relief valve.

Fig. 26-Exploded view ofthe proportional type flowdivider valve used on Ser-ies 424, 444, 2424 and2444 tractors. Note thepower steering relief valve

(5).1. Valve body2. Spool3. Plug

5. Relief valve6. Relief valve spring7. "0" ring8. Plug9. Snap ring10. "0" ring11. Plug

ENGINE AND COMPONENTS

R&R ENGINE WITH CLUTCHSeries B -275-B -414-354-364-384Diesel

35. To remove the engine and clutchas an assembly, first drain cooling sys-tem, remove air cleaner cap and muf-fler, if equipped with vertical exhaust,then unlatch and raise hood . On SeriesB-275 and B-414 remove cotter pinsfrom aft ends of the stay rod slides andmove hood at a vertical position. Dis-connect headlight wires at junction onfront support, then remove hood pivotbolts and hood. Do not lose the twohood pivot bolt spacers. On Series 354,364 and 384, remove the hood andradiator grille, disconnect the wiringfrom horn, disconnect ground lead andmove the harness back on engine. Onall series, disconnect drag link orpower steering cylinder, if so equipped,from left steering arm. Disconnectupper and lower radiator hoses. Dis-connect fuel filter bracket from radi-ator on Series B-275. Support tractorunder clutch housing , then unbolt front

support from engine and roll the frontsupport, axle and radiator assemblyaway from tractor.

On Series B-275 and B-414 removebattery shield, battery hold-down andbatteries. Remove battery carrier. Onall series, if tractor is equipped withdown swept exhaust , either removethe exhaust pipe from exhaust mani-fold or disconnect manifold from cylin-der head . Disconnect tachometer cable,wires from generator , starter switchand number four glow plug , unclipwiring loom and lay wires rearward.Disconnect fuel shut-off rod at injec-tion pump and remove rod. Close thefuel shut-off valve and disconnect fuelsupply line from fuel pump. Discon-nect oil pressure gage line from cyl-inder block and the temperature send-ing unit from cylinder head. Discon-nect fuel return line from fuel tank.Disconnect the inlet and pressure linefrom hydraulic pump , if so equipped.Attach hoist to engine then unbolt andseparate engine from clutch housing.

NOTE : When rejoining engine to

Paragraphs 35-36clutch housing , time can often besaved , particularly on dual clutch mod-els, if the following procedure is used.

Unbolt clutch assembly from fly-wheel and place same on transmissioninput shaft. Move sections togetheruntil clutch (input) shaft pilot enterspilot bearing and flywheel butts againstclutch cover. Now bolt clutch to fly-wheel and complete the mating of en-gine and clutch housing by pulling sec-tions together with the retaining capscrews.

Series B-414-354 Non-Diesel36. To remove the engine and clutch

as an assembly, first drain cooling sys-tem, remove air cleaner cap and muffler if equipped with vertical exhaust.Then on Series B-414, unlatch and raisehood, remove cotter pins from aft endsof stay rod slides and move hood to avertical position. Disconnect headlightwires at junction on front support, thenremove hood pivot bolts and hood. Donot lose the two hood pivot boltspacers. On Series 354 remove thehood, radiator grille and air cleanerhose, disconnect the wiring from hornand battery ground cable, then movethe harness back on the engine. Oneither series disconnect drag link, orpower steering cylinder if so equipped,from left steering arm. Disconnectupper and lower radiator hoses. Support tractor under clutch housing, thenunbolt front support from engine androll the front support, axle and radiatorassembly away from tractor.

On Series B-414, remove batteryshield, battery hold-down and battery.Remove battery carrier. On eitherseries, if tractor is equipped with adown swept exhaust, either remove theexhaust pipe from exhaust manifold ordisconnect manifold from cylinder head.Disconnect wires from generator,starter switch and ignition coil, unclipwiring loom and lay wires rearward.Disconnect battery cable from starterand operating rod from starter switch.Disconnect choke control from carbure-tor. Disconnect and remove the gover-nor to bellcrank rod. Close fuel shut-offand disconnect fuel supply line fromfuel pump. Disconnect oil pressure linefrom cylinder block and temperaturesending unit from cylinder head. Dis-connect inlet and pressure lines fromhydraulic pump. Attach hoist to engine,then unbolt and separate engine fromclutch housing.

NOTE: When rejoining engine toclutch housing , time can otten besaved , particularly on dual clutch mod-els, if the following procedure is used.

Unbolt clutch assembly from fly-wheel and place same on transmission

17


Paragraphs 37-39input shaft. Move sections togetheruntil clutch (input) shaft pilot enterspilot bearing and flywheel butts againstclutch cover. Now bolt clutch to fly-wheel and complete mating of engineand clutch housing by pulling sectionstogether with the retaining cap screws.

Series 424-444- 2424 -2444 Diesel37. To remove the engine and clutch

as an assembly, first drain the coolingsystem and disconnect battery cables.Remove the pre-cleaner , muffler (ifequipped with vertical exhaust), hoodand side panels. On tractors equippedwith mechanical steering, unbolt thesteering shaft front and rear bearingbrackets from the fuel tank supportand clutch housing. Slide the steeringshafts forward and out of the mastersplined yoke. On tractors equippedwith power steering , remove the steer-ing tube clip from engine and dis-connect the tubes from the powersteering control valve. Plug and cap allopenings to prevent dirt from enteringsteering system.

Remove the radiator hoses, discon-nect headlight wires and unbolt theradiator brace and fan shroud fromradiator. Place wood blocks betweensteering gear housing and axle to pre-vent tipping. Using a suitable jackunder the clutch housing, raise front oftractor to remove most of the weightfrom the front tires . Unbolt the stayrod bracket from clutch housing andthe steering gear housing from front ofengine. Raise tractor engine untilcrankshaft pulley will clear steeringgear housing, then roll front endassembly from tractor.

Remove the temperature indicatorbulb, fuel shut-off cable and throttlerod. Disconnect wiring harness termi-nal blocks located under instrumentpanel and work the harness forwarduntil it is clear of clutch housing.Remove the battery cable from thecranking motor solenoid switch. Dis-connect the fuel lines from tank andplug openings. Unbolt the air cleanerbracket from fuel tank support anddisconnect the tachometer drive cable.Place a wood block between fuel tankand clutch housing, then disconnect fueltank support from engine.

Drain hydraulic system and discon-nect the hydraulic pump pressure hosefrom the flow divider valve . Loosenhose clamps and slide the hose couplingforward on the hydraulic pump suctionpipe. Plug and cap all openings . Unboltand remove cranking motor. If tractoris equipped with an underslung muf-fler, the exhaust pipe can now beremoved. Remove clutch housing frontdust cover.

Attach a hoist to the engine, unbolt

INTERNATIONAL HARVESTERand separate engine from clutch hous-ing.

When rejoining engine to clutchhousing, unbolt clutch assembly fromflywheel and place same on the ptodriving shaft (two stage clutch) andtransmission input shaft. Bolt engine toclutch housing, then working throughthe opening in bottom of clutch hous-ing, bolt clutch assembly to flywheel.

Complete the engine installation byreversing the removal procedure. Ventthe fuel system and bleed the powersteering system.

Series 424 -444-2424-2444Non-Diesel

38. To remove the engine and clutchas an assembly , first drain the coolingsystem and disconnect battery cables.If tractor is equipped with vertical ex-haust, remove the muffler, then removethe pre-cleaner, hood and side panels.On tractors equipped with mechanicalsteering, unbolt the steering shaft frontand rear bearing brackets from the fueltank support and clutch housing. Slidethe steering shafts forward and out ofthe master splined yoke. On tractorsequipped with power steering, removethe steering tube clip from engine anddisconnect the tubes from the powersteering control valve. Plug and cap allopenings to prevent dirt from enteringsteering system.

Remove the radiator hoses, tempera-ture indicator bulb, governor controlrod and the tank to filter fuel line.Disconnect the headlight wires, chokecable and tachometer drive cable.Unbolt the radiator brace and fanshroud from radiator, then place woodblocks between steering gear housingand axle to prevent tipping. Using asuitable jack under clutch housing,raise front of tractor to remove most ofthe weight from front tires . Unboltstay rod bracket from clutch housingand the steering gear housing fromfront of engine. Raise tractor engineuntil crankshaft pulley will clear steer-ing gear housing, then roll front endassembly from tractor.

Disconnect wiring harness terminalblocks located under instrument paneland work the harness forward until itis clear of clutch housing . Remove thebattery cable from the cranking motorsolenoid switch, then unbolt and re-move cranking motor . Unbolt the aircleaner bracket from fuel tank support,place a wood block between fuel tankand clutch housing and then unbolt thefuel tank support from engine . If trac-tor is equipped with an underslungmuffler , remove exhaust pipe.

Drain the hydraulic system and dis-connect the hydraulic pump pressurehose from the flow divider valve.

Loosen hose clamps and slide the hosecoupling forward on the hydraulicpump suction pipe . Plug and cap allopenings.

Attach a hoist to the engine, unboltand separate engine from clutch hous-ing.

When rejoining the engine to clutchhousing, unbolt clutch assembly fromflywheel and place same on the ptodriving shaft ( two stage clutch ) and thetransmission input shaft . Bolt engine toclutch housing , then working throughthe opening in bottom of clutch hous-ing, bolt clutch assembly to flywheel.

Complete the engine installation byreversing the removal procedure. Refillhydraulic reservoir and bleed thepower steering system.

CYLINDER HEAD

NOTE: In all engines except Series424, 444, 2424 and 2444 non-diesel, thecylinder bolt bores In cylinder block arefitted with Hell-Coll Inserts which canbe removed and renewed using thetools shown In Fig. 27, or their equiva-lents . New Hell -Coll Inserts are in-stalled with the driving lug on bottomand are screwed into the tapped holeuntil top side of 0 . 100-0 . 125 below edgeof bore.

Series B-275-B-414 -354-364-384Diesel

39. To remove cylinder head, firstdrain cooling system and on SeriesB-275 and B-414, remove air cleanercap and muffler , if equipped with ver-tical exhaust. Then, unlatch and raisehood. Remove the radiator brace, thendisconnect the hood bracket fromtappet cover and place hood in a verti-cal positon. Remove the hood guide tovalve tappet cover brace. Removebattery shield, battery hold-down andbatteries. Disconnect fuel return line attank and at front of hood guide. Dis-

Fig. 27-Tools used to remove and Installthe Hell-Coll Inserts.

1. Extracting tool 2. Inserting tool

18


INTERNATIONAL HARVESTERconnect air cleaner inlet hose from inletmanifold, then unbolt and remove hoodguide and air cleaner as a unit. OnSeries 354, 364 and 384, unbolt andremove hood and disconnect air cleanerinlet hose from inlet manifold. On allseries, disconnect wires from alternatoror generator and disconnect loom fromthermostat housing. Disconnect alter-nator or generator adjusting strap,remove drive belt, then unbolt andremove mounting bracket and alterna-tor or generator. Disconnect upperhose from radiator, unbolt water outletelbow and remove outlet and upperhose. Disconnect lead wire from num-ber four glow plug. Remove the tem-perature indicating sending unit fromcylinder head. Remove the breatherline which runs from injection pumpdrive gear cover to intake manifold. OnSeries B-275 remove lines from fuelfilter, disconnect fuel filter bracket fromfan shroud and remove bracket andfuel filter. On Series 8-414, 354, 364and 384 disconnect lines from fuel filterbut leave filter attached to inletmanifold. On all series, disconnect thepressure lines from injectors, thenremove the leak-off (excess) fuel linefrom the top of each injector. Removeinlet (with fuel filter attached on B-414,354, 364 and 384 tractors) and exhaustmanifolds from cylinder head. Removetappet lever cover and gasket. Unboltand remove the tappet levers and shaftassembly.

NOTE: When removing the tappetlevers and shaft assembly, keep pres-sure on outer ends to prevent the twopiece shaft assembly from flying apart.

Identify push rods and lift out same,then remove balance of cylinder headbolts and remove cylinder head.

40. Reinstall cylinder head by revers-ing the removal procedure and whenrenewing cylinder head gasket, be sureto use the latest type which hasferrules in the two holes shown in Fig.28. Position cylinder head gasket withword "TOP" upward, use guide studsin the two ferruled gasket holes, theninstall cylinder head.

Tighten cylinder head bolts in thesequence shown in Fig. 29 and to atorque of 70-75 ft. Ibs. for the B-275, or75-80 ft.-Ibs. for the 8-414, 354, 364 or384 diesel engines. Tighten all manifoldstud nuts to 25-30 ft.-tbs. Adjust tappetgap to 0.020 hot on all diesel enginesand bleed fuel system as outlined inparagraph 91.

Series B-414 -354 Non-Diesel41. To remove cylinder head, first

drain cooling system, and on SeriesB-414 remove air cleaner cap and muf-fler, if equipped with vertical exhaust,

then unlatch and raise hood. Removeradiator brace, then disconnect thehood bracket from tappet cover andplace hood in a vertical position.Remove the hood guide to tappet coverbrace. Remove battery shield, batteryhold-down and battery. Disconnect aircleaner inlet hose from carburetor,then unbolt and remove hood guide andair cleaner as a unit. On Series 354unbolt and remove hood, disconnect aircleaner inlet hose from inlet manifold.Then, on both series, disconnect wiresfrom generator and disconnect loomfrom thermostat housing. Disconnectgenerator adjusting strap, remove drivebelt from generator, then unbolt mount-ing bracket and remove bracket andgenerator. Disconnect upper hose fromradiator, unbolt water outlet elbow andremove elbow and upper hose. Removetemperature sending unit from cylinderhead. Remove manifold and carburetorassembly from cylinder head. Removetappet lever cover and gasket. Unboltand remove tappet levers and shaftassembly.

NOTE: When removing the tappetlevers and shaft assembly , keep pres.sure on outer ends to prevent assemblyfrom flying apart.

Identify push rods and lift out same,then remove balance of cylinder headbolts and remove cylinder head.

42. Reinstall cylinder head by revers-ing removal procedure and when re-newing cylinder head gasket, be sureto position cylinder head gasket withword "TOP" upward. Tighten cylinder

Fig. 26- View showing (heIwo bolt holes fitted withferrules in the diesel en-gine cylinder head gas-

kets.

Fig. 29- When reinstall.Ing diesel engine cylinderhead, tighten cylinder headbolts in the sequence

shown.

Fig. 30-When reinstallingSeries B -414 or 354 non-diesel engine cylinderhead , tighten cylinderhead bolts in the se-

quence shown.

Paragraphs 40-43head bolts to a torque of 75-80 ft. his,in the sequence shown in Fig. 30.Tighten all manifold stud nuts to ntorque of 25-30 ft.-Ibs. and adjust tap-pets to 0.020 hot.

Series 424-444-2424-2444 Diesel43. To remove the cylinder head,

first drain cooling system, remove pre-cleaner and muffler, if equipped withvertical exhaust. Remove hood and sidepanels, then disconnect battery groundcable, generator or alternator wires, oilpressure switch wire, headlight wireand lead wire from number four glowplug. Disconnect generator or alterna-tor adjusting strap, remove drive belt,then unbolt mounting bracket andremove bracket and generator oralternator. Disconnect upper hose Cron)radiator, loosen upper clamp on by-passhose, then unbolt and remove thermo-stat housing from cylinder head.

Remove the temperature indicatorbulb, the crankcase breather tube andthe ground wire from number one glo%cplug. Disconnect the air cleaner pipeand unbolt and remove the intakemanifold. Unbolt and remove the aircleaner and heat shield assembly andafter first removing the nuts, lift offthe exhaust manifold. Disconnect thepressure lines from injectors and re-move the leak-off (excess) fuel linefrom top of each injector.

CAUTION: Cap or plug openings ininjectors and lines Immediately.

Unbolt and remove the radiator

II 3 6 1415090108C)16O 0 0 O 0

1! 2 O 124O O O 0 0 10

19


Paragraphs 44-50brace, rocker arm cover and the rockerarm and shaft assembly.

NOTE: When removing the rockerarm and shaft assembly , keep pressureon outer ends to prevent the two-pieceshaft assembly from flying apart.

Lift out push rods, remove balance ofcylinder head retaining cap screws andlift off cylinder head.

44. Reinstall cylinder head by revers-ing the removal procedure and whenrenewing cylinder head gasket , positiongasket with word "TOP" facing up-ward. Use guide studs in the twoferruled gasket holes , shown in Fig. 28to align the cylinder head and gasket.

Tighten cylinder head bolts in thesequence shown in Fig . 29 and to atorque of 75-80 ft.-Ibs. Tighten all mani-fold stud nuts to a torque of 25-30ft.-Ibs. Adjust tappet gap to 0 .020 hoton both intake and exhaust valves.Bleed fuel system as outlined in para-graph 91.

Series 424-444 -2424-2444Non-Diesel

45. To remove the cylinder head,first drain cooling system , remove pre-cleaner and muffler , if equipped withvertical exhaust. Remove hood and sidepanels, then disconnect battery groundcable, oil pressure switch wire and igni-tion wires from coil and resistor . Unclipwiring harness and lay it along left sideof engine . Remove upper radiator hose,radiator brace , temperature indicatorbulb and loosen upper hose clamp onthermostat by-pass hose . Unbolt andremove air cleaner and pipe assembly.Disconnect choke cable , governor rodand fuel line from carburetor. Then,unbolt and remove the manifold andcarburetor assembly . Disconnect sparkplug wires and remove the governorcontrol rod clip from right side of cylin-der head. Unbolt and remove therocker arm cover and rocker arms andshaft assembly. Lift out push rods,remove cylinder head retaining capscrews and lift off cylinder head.

46. Reinstall cylinder head by revers-ing the removal procedure. Whenrenewing cylinder head gasket , apply alight coating of lubricant to top face ofcylinder block. The head gasket ismarked for correct installation.

Tighten cylinder head bolts in thesequence shown in Fig . 31 and to atorque of 80-90 ft .-lbs. Tighten manifoldstud nuts to a torque of 3337 ft.-Ibs.Adjust tappet gap to 0 .014 hot for theintake valves and 0 .020 hot for exhaustvalves.

INTERNATIONAL HARVESTERVALVES AND SEATS

All Models47. Intake and exhaust valves are not

interchangeable and on all series except424, 444, 2424 and 2444 non -diesels,seat directly in the cylinder head.Series 424, 444, 2424 and 2444 non-diesel exhaust valves seat on renew-able inserts which are available instandard size as well as oversizes of0.015 and 0 .030. Valves have a face andseat angle of 45 degrees . Seat widthshould be 0 .070-0.080 and total runoutmust not exceed 0.002 . Adjust valvetappet gap on all models except 424,444, 2424 and 2444 non -diesels to 0.020(hot)for both intake and exhaustvalves . On Series 424 , 444, 2424 and2444 non -diesels , adjust valve tappetgap to 0 .014 (hot) for intake valves and0.020 (hot) for exhaust valves.

Use the chart shown in Fig. 32 forvalve tappet gap adjusting procedure.Four valves are adjusted when No. Ipiston is at TDC ( compression ) and theremaining four are adjusted when No.4 piston is at TDC (compression).

Stem diameter of valves used inSeries 424, 444 , 2424 and 2444 non-diesel engines is 0.3405 -0.3415 andnormal operating clearance in guides is0.0015-0.0035. Valve stem diameter onall other series is 0.341-0.342 and nor-mal operating clearance in guides is0.002-0.004.

When removing exhaust valve seatinserts from a Series 424, 444, 2424 or2444 non - diesel cylinder head, usethe proper puller . Do not attempt todrive a chisel under seat insert ascounterbore will be damaged . Chill new

seat insert with dry ice or liquid Freonand when insert is properly bottomed,it should be 0.008 to 0.030 below edgeof counterbore . After installation, peenthe cylinder head material around thecomplete outer circumference of thevalve seat insert.

VALVE GUIDES AND SPRINGS

All Models48. The shouldered valve guides used

in diesel engines are not interchange-able. The inside diameter of all guidesis 0.344-0 .345 which provides a normaloperating clearance of 0.002-0 .004 forthe valves. Press out old guides frombottom of cylinder head . Press newguides in top of cylinder head untilshoulder of guide bottoms againstcylinder head . When correctly installed,guide will protrude 0.938 from top ofcylinder head . Guides are pre-sized;however , they should be reamed afterinstallation , if necessary , to obtain the0.344-0 .345 inside diameter.

49. The shouldered valve guides usedin B-414 and 354 series non-dieselengines are not interchangeable andcan be pressed out from bottom ofcylinder head. Press new guides in topof cylinder head until shoulder of guidebottoms against cylinder head. Whencorrectly installed , top of intake guideis 0.828 inch ; and top of exhaust guideis 0.984 inch, above spring recess ofcylinder head . Guides are pre -sized;however, they should be reamed afterinstallation , if necessary , to obtain aninside diameter of 0.344-0.345.

50. The valve guides used in Series424, 444, 2424 and 2444 non-diesel

Fig. 31-When installingSeries 424, 444 , 2424 and2444 non - diesel cylinderhead , tighten cylinderhead bolts In the se-

quence shown.

WITH ADJUST VALVES (Engine Warm)

No. 1 Piston at T.D.C. (Compression) 1 2 3 5No. 4 Piston at T.D.C. (Compression) 4 6 7 8

ih_b275-b414_354-364-384_424-444_2424-2444_vhb_sec_wat [unlocked by ]

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