THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF

CUMMINS OR IT’S SUCCESSORS. CUMMINS AND IT’S SUCCESSORS

ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.

TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS,

AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.

Parts

Man

ual

Parts Manual

H, HR & HRF

Engines

CUM-P-H,HR,HRF

CUMMINS

. ,"'. ".

"\-.: .. ;; --.'~"

PARTS

BOOK "-':;-.:: .

,,-,"':

::. .... :..-:

23

No. lIIust.

No. Page

1. Cylinder Block ____________________________________________________________________________________ 1

2. Cranksha'ft Main Bearings Damper ____________________________________________________ 1 3. Piston and Connecting Rod __________________________________________________________________ 2 4. Rear Cover __________________________________________________________________________________________ 2 5. Camshaft ______________________________________________________________________________________________ 2 6. Gear Cover __________________________________________________________________________________________ 3 7. Compression Release __________________________________________________________________________ 3 8. Bell Crank ____________________________________________________________________________________________ 4 9. Hand Hole Covers and Oil Gauge Bracket ________________________________________ 4

10. Cylinder Head (Two-Valve) ________________________________________________________________ 4 11. Rocker Lever Housing __________________________________________________________________________ 3

12. Rocker Lever Housing Cover ________________________________________________________________ 3 13. Cam Follower Assembly ______________________________________________________________________ 2 14. Fuel Filter ____________________________________________________________________________________________ 9 15. PT-Fuel System ____________________________________________________________________________________ 8 16. Injector ________________________________________________________________________________________________ 9 17. Oil Pan ________________________________________________________________________________________________ 4 18. Lubricating Oil Filter __________________________________________________________________________ 5 19. Lubricating Oil Hose __________________________________________________________________________ 11 20. Lubricating Oil Pump __________________________________________________________________________ 5 21. Water Pump and Fan Hub __________________________________________________________________ 5 22. Water Manifold __________________________________________________________________________________ 6 23. Thermostat Housing and Water Piping ______________________________________________ 6 24. Generator Drive __________________________________________________________________________________ 9 25. Fuel Pump Drive __________________________________________________________________________________ 7 26. Air Cleaner ________________________________________________________________________________________ 11 27. Air Intake Manifold ________________________________________________________________________ 9-10 28. Exhaust Manifold ______________________________________________________________________________ 10 29. Air Compressor __________________________________________________________________________________ 10 30. Electrical Equipment __________________________________________________________________________ 11 31. Radiator (Industrial) ________________________________________________________________________ 6-7 32. Front Motor Support (Industrial) ________________________________________________________ 12 33. Flywheel Housing Support ________________________________________________________________ 12 34. Flywheel and Ring Gear ____________________________________________________________________ 11 35. Gasket Sets ________________________________________________________________________________________ 12

H HR HRF

DIESEL

CYLINDER BLOCK Figure 1

GROUP A-Models: H BM-44823 Block assembly, cylinder (113999)

BM-27253 Bushing assembly, camshaft 100670 Bushing, camshaft (front)

2 100671 Bushing, camshaft (No_ 3 and 5) 2 3 100672 Bushing, camshaft (No_ 2, 4 and 6) 3 4 100669 Bushing, camshaft (rear)

5 100305 Capscrew, cylinder head 18 6 $-188-C Capscrew, water header cover 12 7 105953 Capscrew, main bearing 14 8 70072 Cover, water header core support 2

9228 Dowel, cam follower housing to block 6 67211 Dowel, main bearing cap to block 2 68445 Dowel, cylinder head to block 6 9226 Dowel, flywheel housing to block 2 9225 Dowel, gear cover to block 2 64790 Dowel, rear cover to block 2

9 70089-1 Gasket, water header cover 2 10 9427 Lockplate, main bearing capscrew 14 11 $-600 Lockwasher, water header cover 12 12 9222 Pin, idler gear 1 13 $-719 Plug, expansion, compression release 14 $-962 Plug, pipe, water header 2 15 $-91O-B Plug, pipe, air discharge hole (rear) 1

$-91O-B Plug, pipe, lubricating oil drain 1 16 $-911-B Plug, pipe, lubricating oil header 3

69901 Plug, pipe, lubricating oil outlet 1 69901 Plug, pipe 4

17 $-935-B Plug, pipe, lubricating oil header 2 18 $-966-E Plug, pipe, water header (rear) 1

$-915-A Plug, pipe (fuel pump side of engine) 2 19 BM-7311 Gear assembly, idler (41894) 1 20 9224 Bushing, idler gear 1

21 127250 Liner, cylinder 6 22 $-606-A Lockwasher, idler gear lockscrew

23 67891 Packing, cylinder liner 18

9732 Pin, lock, idler gear washer 1 9213 Pipe, rocker lever housing lubricating oil 3

24 $-1200 Screw, idler gear washer 1 25 7463-1 Washer, idler gear pin 1

GROUP B-Models: HR, HRf Same as Group A except parts shown below:

BM-44823 Block assembly, cylinder (113999) 1 21 127220 Liner, cylinder 6

ENGINES

CRANKSHAFT Figure 2

GROUP A-Models: HRF BM-54284 Crankshaft assembly 1

17 101109 Crankshaft 1 10 9168-2 Gear, crankshaft pinion 1 11 9300-1 Key, crankshaft gear 1 12 9304 Lock, crankshaft nut 1 13 9305 Nut, crankshaft 1

f15563 Flange, crankshaft (automotive) 20

115562 Flange, crankshaft (Industrial) 21 67041 Nut, crankshaft 22 119676 Lockplate, crankshaft nut

GROUP B-Models: H, HR Same as Group A except parts shown below:

BM-54515 Crankshaft assembly 1 16 123410 Crankshaft 1

MAIN BEARINGS Figure 2

GROUP A-All Models

BM-28978 Set, main bearing 1 1 44387 Bearing, main (Upper No_ 7) 1 2 44388 Bearing, main (Lower No_ 7) 1 3 44385 Bearing, main (Upper No_ 2, 4, & 6) 3 4 44386 Bearing, main (Lower No.2, 4, & 6) 3 5 44383 Bearing, main (Upper No.1, 3 & 5) 3 6 44384 Bearing, main (Lower No.1, 3 & 5) 3 7 43219 Half-ring, crankshaft thrust 4 8 60575 Dowel, main bearing ring 7 9 67294 Dowel, main bearing thrust ring 2

Main bearings may be purchased in .070", .020", .030" and .040

VIBRATION DAMPER Figure 3

GROUP A-Models: HRF 18 108919 Capscrew, damper to flange 6 19 122399 Damper assembly, vibration, rubber

bonded (automotive) 20633-1 Damper assembly, vibration, viscous

(industrial) 1

23 68462 Lockplate, vibration damper 3

Page 1

PARTS

CONNECTING RODS Figure 4

GROUP A-All Models 1 BM-35519 Rod assembly, connecting (101158) 6 2 9195-3 Bolt, connecting rod 12 3 43067 Bushing, piston pin 12 4 69936 Nut, connecting rod bolt 12 5 112611 Lockplate, connecting rod 12 6 42679-1 'Bearing, connecting rod 12

'Connecting rod bearings are available in .010", .020", .030" and .040" undersize.

PISTONS AND RINGS Figure 4

GRO·UP A-Models: HR, HRF,

9 10 11

12 13 14

BM-45720

66877-1 116450

61908 BM-55000

125530 41878 42035

'Piston assembly Pin, piston

'Piston (aluminum knurled skirt) Ring, piston pin snap Set, piston ring Ring, compression (chrome faced) Ring, compression, keystone Ring, oil, keystone

GROUP B-Models: H Same as Group A except parts shown below:

6 6 6

12 1 6

12 6

BM-43160 Piston assembly 6 9 9208-3 Pin, piston 6

115240 }iston (aluminum knurled skirt) 6 BM-14623 *Set, piston ring 1

65354 *Ring, compression (Keystone) 6 65327 'Ring, compression 12 65325 * Ring, oil (wide) 6 65326 * Ring, oil (narrow) 6

*Pistons and rings are available in .020", .030" and .040" oversize.

REAR COVER Figure 5

GROUP A-All Models 101092

2 106549

{ 40662 3 40662-A 4 S-604 5 113985

Page 2

Plate, rear cover Mounting Parts Capscrew, rear cover to block Gasket, cover to block (.010") Gasket, cover to block (.005") Lockwasher, cover to block Seal, crankshaft rear oil

1

8 Use As Req'd.

8 1

BOOK

CAMSHAFT Figure 6

GROUP A-All Models 1 113642 2 109072 3 69550 4 68193 5 9235-1

Camshaft (R.H.) Gear, camshaft (R.H.) Key, camshaft gear Plug, pipe Ring, camshaft thrust

1 1 1 1 1

CAM FOLLOWER HOUSINGS

AND PUSH RODS Figure 7

GROUP A-All Models

1 2 3 4

5

6

7 8 9

10 11

12 13 14

BM-37625 44035 S-714 69736 42443 BM-37621

BM-37496

67605-S 107738

68512 118939 7348-2

BM-37634

BM-37633 67606-S 107738

68513 118939 9260-1

15 S-129 16 S-165

9228

{ 9266 17 9266-A 18 S-604 19 BM-47778 20 BM-47779 21 BM-47777

Housing assembly, cam follower Housing, cam follower Plug, expansion Screw, cam rocker lever shaft Shaft, cam follower lever Lever assembly, cam follower

injector (108169) Lever and bushing assembly

(108169) Bushing, injector cam follower Insert, injector cam follower Pin, injector cam roller Pin, roll, injector cam roller pin Roller, injector cam Lever assembly, intake and exhaust

valve cam follower (108168) Lever assembly, valve cam follower Bushing, valve cam follower lever Insert, valve cam lever Pin, valve cam roller Pin, roll, valve cam roller pin Roller, valve cam

Mounting Parts Capscrew, housing to block (short) Capscrew, housing to block (long) Dowel, cam follower housing Gasket, cam follower housing Gasket, cam follower housing (.007") Lockwasher, cam follower housing Rod assembly, exhaust (112700) Rod assembly, injector (112701) Rod assembly, intake (112698)

3 3 6 6 6

6

6 12 6 6 6 6

12 12 24 12 12 12 12

12 6 6

Use as Req'd.

18 6 6 6

H HR HRF

DIESEL

ROCKER LEVER HOUSING Figure 8

GROUP A-All Models BM-37715 Housing assembly, rocker lever 3

2362-1 Housing, rocker 3

2 67282 lockplate, rocker lever shaft setscrew 3

3 S-720 Plug, expansion, rocker lever housing 6

4 62229 Plug, ventilator 3

5 67283 Screw, rocker lever shaft lock 3

6 41698-1 Shaft, rocker lever 3

BM-3750l lever assembly, intake and exhaust . valve rocker 12

7 BM-37500 lever and bushing assembly (107746) 12

8 9242-S Bushing, lever 12

9 107719 Nut, rocker lever adjusting screw 12

10 103863 Screw, rocker lever adjusting 12

BM-37703 lever assembly, injector rocker 6

11 BM-37699 lever, bushing and socket assembly (107745)

12 9243-2S Bushing, lever 6

13 103864 Socket, injector 6

14 S-232 Nut, rocker lever adjusting screw 6 15 7199-3 Screw, rocker lever adjusting 6

68867-A Plate, injector and valve setting (H-HR-HRF)

S-2286 Screw, drive 4

Mounting Parts 20 9271 Cap, lubricating pipe 3

108601 Capscrew, rocker lever housing (length 3W') 21

108602 Capscrew, rocker lever housing (length 3%") Use

108603 Capscrew, rocker lever housing As (length 4") Req'd.

108604 Capscrew, rocker lever housing (length 4'12")

21 9272 Gasket, lubricating pipe cap 3 22 4798 Gasket, rocker lever housing 3

ENGINES

ROCKER LEVER HOUSING COVERS

Figure 9

GROUP A-All Models 4 42357 Cover, rocker housing 3

Mounting Parts 7 S-174-8 Capscrew, rocker housing cover 9 8 9244-1 Gasket, rocker housing cover 3 9 S-604 lockwasher, rocker housing cover 9

10 S-602 Washer, rocker housing cover, plain 9

GEAR CASE COVER Figure 10

r,ROUP A-All Models 1 69793 Capscrew, camshaft thrust plate 2 2 100915 Capscrew, cover to block 17 3 21201-1 Cover, gear case 1 4 9225 Dowel, cover to block 2 5 4793 Gasket, gear housing 1 6 S-604 lockwasher, camshaft thrust plate 2 7 S-610 lockwasher, cover to block 17 8 68191 Plate, camshaft thrust 1 9 67270 Packing, camshaft thrust plate 1

S-995 Plug, pipe 1 10 103081 Seal, accessory drive oil 1 11 70522 Seal, crankshaft oil 1

68192-A Shim, camshaft thrust plate (.010") Use 68192-B Shim, camshaft thrust plate (.005") as 68192-C Shim, camshaft thrust plate (.002") Req'd_

COMPRESSION RELEASE Figure 11

GROUP A-All Models 1 108707 Capscrew, compression release lever 1 2 S-108 Capscrew, compression spring 1 3 43693 lever, compression release 1 4 S-604 lockwasher 2 5 S-605 lockwasher 1

43468-E Pin, groove 1 6 43696 "0" ring, compression release 1 7 9237 Screw, compression release 1 8 43695 Shaft, compression release 1 9 9223 Spring, compression release lever 1

Page 3

~.-

PARTS BOOK

BELL CRANK CYLINDER HEAD Figure 12 TWO-VALVE

GROUP A-All Models (Conl'd)

11 40264 Bracket, bell crank 1 GROUP A-(Cont'd) 12 64280 Crank, compression release bell 1 6 BM-38483 Head assembly, cylinder (108850) 3 13 S-604 Lockwasher 1 7 105984 Guide, valve 12 14 S-205 Nut 1 8 102890 Insert, exhaust valve seat 6 15 S-505 Pin, cotter 2 70459 Plug, fuse 3 16 64281 Rod, crank to compression release lever 1 S-911-B Plug, pipe 6 17 64279 Screw 2 S-995 Plug, pipe 18 18 S-631 Washer, plain 2 9 8901-2 Sleeve, injector 6

105986 Retainer, valve guide 12

HAND HOLE COVERS Mounting Parts AND 100305 Capscrew, cylinder head to block 18

OIL GAUGE BRACKETS 10 20666-2 Gasket, cylinder head 3 Figure 13 11 9424 Gasket, lubricating pipe 6

GROUP A-All Models 123107 Washer, cylinder head capscrew 18

5 106598 Bracket, filler and breather 1 6 108861 Breather 1

113338 Band, clamping 1 OIL PANS 113341 Body, breather 1 Figure 15 113340 Element, filter 1 113339 Nut, wing 1 GROUP A-All Models

2 101322 Cap, oil filler 1 BM-47689 Pan and insert assembly, oil (116890) 4 BM-47983 Dipstick, oil level (101368) 1 rear sump 7 S-2902 Neck, filler 1 2 S-137 Capscrew, lubricating oil suction flange 2

S-901 Plug, pipe 1 3 67955 Connection, lubricating oil suction 1 3 101264 Tube, oil filler 1

8 BM-51764 Tube, dipstick (101814) 1 4 67963 Gasket, lubricating oil flange 1 5 67946 Gasket, oil drain plug 2

Mounting Parts 6 S-604 Lockwasher 2 20 S-112 Capscrew, cover to block 4 S-924 Plug, pipe 2 23 65274 Gasket, cover to block 1 7 67218 Plug, pipe, oil pan drain 2 22 S-604 Lockwasher, cover to block 4 8 20622 Screen, lubricating oil suction 1

9 S-1354 Screw, screen to bottom plate 6 CYLINDER HEAD Mounting Parts

TWO-VALVE 10 67023 Bolt, oil pan to block 2 Figure 14 11 70349 Capscrew, oil pan to block 26

12 103009 Capscrew, oil pan to gear cover 4 GROUP A-All Models 13 S-176-A Capscrew, oil pan to rear cover plate 4

BM-38484 Head assembly cylinder, complete with 14 5083 Gasket, oil pan to block 1 valves (108850) 3 15 S-61O Lockwasher, oil pan to block 30

1 60011-1 Half-collet, valve 24 16 S-605 lockwasher, oil pan to rear cover plate 4 2 60010 Guide, valve spring 12 17 S-230-A Nut, huglock, oil pan to block 2 3 68997 Spring, valve 12 18 S-622 Washer, plain, oil pan to block and 4 9167-Y Valve, exhaust 6 gear cover 32 5 69032 Valve, intake 6 19 S-626 Washer, plain 7

Page 4

H HR HRF

DIESEL

LUB. OIL FILTER Figure 16

GROUP A-All Models BM-33286 Filter assembly, lubricating oil 1

1 106069 Capscrew, case to cover 4 2 20621 Cover, filter

104926 Filter, lubricating oil 1 S-1915-1 Element assembly, lubricating oil filter 1

3 S-1953 Bag, filter 1 4 10380-25 Spacer, wire mat 1

10380-27 Spool assembly, bag 1 5 10380-8 Ball, by-pass relief 1

10380-28 Bushing, relief chamber (Steel spool) 1 6 10380-19 Clamp, bag 2 7 S-1985 Gasket, bag 1 8 10380-20 Nut, clamp 2 9 10380-10 Nut, by-pass adjustillg (Aluminum

spool) 1 10 S-519 Pin, cotter 1 11 10380-22 Pin, cross 1 12 10380-7 Ring, bag 1 13 10380-6 Spool, bag (Aluminum or steel) 1

10380-12 Insert, seat 1 14 10380-3 Spring, bag ring clamp 2 15 10380-9 Spring, by-pass relief 1 16 10380-18 Spring, shock 1

10380-21 Washer, steel spool 1 17 10380-4 Shell assembly 1 18 10380-1 Ring, bolt 1 19 69751 Gasket, filter cover 1 20 69901 Plug, pipe 1 21 S-61O Lockwasher, case to cover 4

S-622 Washer, plain 4

Mounting Parts

r0477 Bracket, lubricating oil filter (Compressor) 1

22 103710 Bracket, lubricating oil filter (Less compressor) 1

23 S-l17-C Capscrew, bracket to block 2 24 64009 Capscrew, bracket to block 1

S-162-A Capscrew, filter to bracket (Compressor) 1 25 103009 Capscrew, filter to bracket (Less

compressor) 3 S-127 Capscrew, bracket to head (Compressor) 1

26 S-609 Lockwasher, bracket to head 2 27 S-61O Lockwasher, filter to bracket 4

ENGINES

LUB. OIL PUMP Figure 17

GROUP A-All Models BM-36988 Pump assem~ly, lubricating oil (R.H.J

BM-36985 Body and bushing assembly (106426) 69521 Bushing, body

2 BM-36984 Bracket and bushing assembly (106424) 1 69521 Bushing, bracket 1

3 S-155-A Capscrew, body to bracket 2 4 S-134 Capscrew, body to bracket 5 5 69519 Dowel, body to bracket 6 106425 Gasket, body to bracket 7 S-3050 Gasket, by-pass valve 8 106431 Gear, lubricating pump drive 9 107450 Gear, impeller drive

10 BM-51312 Gear and bushing assembly, idler (107451) 1

106428 Bushing, gear 1 11 S-605 Lockwasher, body to bracket 7 12 110907 Plug, lubricating oil by-pass 1 13 109333 Plunger, lubricating oil by-pass valve 1 14 106423 Shaft, lubricating oil pump drive 1 15 106427 Shaft, lubricating oil pump idler 1 16 68274 Spring, lubricating oil by-pass valve 1

Mounting Parts S-193-C Capscrew, bracket to block 2 100915 Capscrew, bracket to block 1 S-169-B Capscrew, bracket to block 1 9284 Gasket, bracket to block 1 S-61O Lockwasher, bracket to block 4

WATER PUMP, PULLEYS AND BELTS

Figure 18

GROUP A-Models: H, HR, BM-50352 Pump and pulley assembly, water (R.H.J 1

116053 Pulley, water pump, driven 1 BM-50345 Pump assembly, water 1

2 115512 Bearing, inner 1 3 115519 Bearing, ball, outer 1 4 115498 Body, water pump 1 5 S-1109 Fitting, grease 1 6 115499 Impeller 1 7 115508 N'ut, huglock 1 8 S-16255 Ring, snap 1 9 70527 Ring, water pump seat 1

Page 5

H HR HRF

DIESEL

RADIATOR (Conl'd) GROUP A-(Cont'd)

21226 Gasket, core heade r 2

69499 Gasket, radiator filler neck

11170 Grill, radiator 43727 Guard, fan 1

69501 Latch, side panel 2 S-604 Lockwasher, core header 42

S-604 Lockwasher, side panel 36 S-605 Lockwasher, grill 15 S-604 Lockwasher, grill and latch 4 S-600 Lockwasher, fan guard 13 69498 Neck, radiator filler S-223 Nut, core header 26 S-224 Nut, fan guard screw 5 S-223 Nut, panel 12 S-234 Nut, panel 2

11168 Panel, radiator side 2 69502 Screw, shroud to panel 8

S-1322 Screw, filler neck to top tank 6 69500 Screw, panel to adjusting plate 2

69502 Screw, grill to heading mounter strip 6

69223-A Screw, grill to bottom tank 10 S-1310 Screw, fan guard to shroud 8 S-1310 Screw, fan guard to flange 5 11172 Shroud, radiator 1 43844 Strip, core header mounting 1 43M6 Strip, core header mounting 1 11164 Tank, radiator (bottom) 1 11162 Tank, radiator (top) 1 43848 Tube, radiator overflow 1

Mounting Parts 43584 Brace, radiator 2 S-145 Capscrew, brace to radiator (lower) 2 S-169 Capscrew, brace to radiator (upper) 2 S-127-C Capscrew, radiator to support 4 S-125 Capscrew, support to front engine

support 8 S-I72-B Capscrew, water connection 4 43828-0 Clamp, hose 8 43581 Connection, radiator water inlet (45°) 68270 Connection, radiator water inlet 68270 Connection, radiator water outlet 9221 Gasket, engine water inlet connection

ENGINES

RADIATOR (Conl'd) GROUP A-(Cont'd)

9221 Gasket, radiator water outlet connection 1

67185. Hose, radiator 4 S-604 Lockwasher, water connection 4 S-608 Lockwasher, support to engine support 8 S-603 Lockwasher, radiator ~o radiator support 4 S-608 Lockwasher, radiator brace 4 S-200 Nut, radiator brace 2 102228 Pipe, water outlet connection S-959 Plug, pipe 43585 Support, radiator 2

FUEL PUMP DRIVE Figure 21

GROUP A-All Models: BM-37257 Drive assembly, fuel plJmp and

compressor 1 69744 Bearing, ball, front 2 107373 Bearing, ball, rear 3 102975 Coupling, half 4 42423-1 Gear, drive 5 103330 Housing, fuel pump drive 6 66897-B Key, fuel pump drive gear 7 S-316 Key, fuel pump drive gear 8 66897-A Key, fuel pump drive 9 105297 Nut, drive shaft lock

10 S-16249 Ring, snap 11 101942 Shaft, accessory drive

12 101940 Spacer, drive shaft

. Mounting Parts 13 S-105-A Capscrew, drive to block 5

103369 Coupling, splined 69099 Elbow, restrictor

14 9172-2 Gasket, housing to block BM-45029 Hose assembly

15 S-610 Lockwasher, drive to block 5

FUEL PUMP AND HOURMETER DRIVE

Figure 22

GROUP A-All Models: (Industrial) BM-39973 Drive assembly, fuel pump

69744 Bearing, front

Page 7