stt-lp ipl manual
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ILLUSTRATEDPARTS MANUAL
Part No. 06290Printed 12/2014
Printed in USA
© 2014Scag Power EquipmentDivision of Metalcraft of Mayville, Inc.
Model STT-25CH-LPTurf Tiger
IPL30
31
32
33
34
2933
36
37
40
39
38
41
35
1818
This manual conTains The illusTraTed parTs lisT for models:
sTT52V-25ch-lp with a serial number of h8700001 to h8799999sTT61V-25ch-lp with a serial number of h9000001 to h9099999
i
RTable of contents
Table of contents52V cuTTer decK ...........................................................................................................................................2
61V cuTTer decK ...........................................................................................................................................4
cuTTer decK conTrols .............................................................................................................................6
sheeT meTal componenTs ........................................................................................................................8
sTT roll-oVer proTecTion sYsTem .....................................................................................................10
sTT suspension seaT ................................................................................................................................12
noTes ..............................................................................................................................................................13
decK driVe componenTs .........................................................................................................................14
enGine and aTTachinG parTs - Kohler lp .........................................................................................16
BraKe and sTeerinG componenTs ......................................................................................................18
hYdraulic sYsTem - Kohler lp .............................................................................................................20
lp sYsTem - Kohler ...................................................................................................................................22
Bdp-16a hYdraulic pump assemBlY .....................................................................................................24
elecTrical sYsTem - Kohler lp ............................................................................................................26
replacemenT decals and informaTion plaTes .............................................................................28
elecTrical schemaTic - Kohler lp .....................................................................................................30
2
R section 8
52V cuTTer decK
44 61 63
69
12
65
64
52
58
5417
59
2414
56
28
56
33
3
a
a
B
B
4
14 29 20
532852
24
58
24
52
73
66
32
13
68
55
55
2958
2
3
23
3
11
50
13
46
60
49
67
24
35
48
9
16
19
15
27
26
12
82
51 23
23
36
37
44
39
43
42
38
45
41
34
62
22
40
37
18
10
1
5
7
6 8
STT 2008 CD
14
29
12
30
28
31
25
31
21
47 5112
23
7071
2213
72
74
28
29
13 2657
75
76
77
78
7980
81
83
84 85 86
3
Rsection 8
52V cuTTer decK
ref. no.
part no. descriptionref. no.
part no. description
123456789101112
131415161718192021222324252627282930313233343536373839404142434445
46185904003-4004019-04481625-0148163204003-2642247804017-2704043-0604021-0546184504001-1104001-1204021-2204020-0945124004001-4104003-1204001-10804063-0804063-0104043-0404001-17604019-0304001-17248100-1504030-0304040-1504041-0704021-0904001-6204001-5404001-2004001-136461663435894810244810224364443312432964810254329748103548114-0448677
Cutter Deck Velocity PlusBolt, Carriage 7/16-14 x 1-1/4”Nut, Hex Serr. Flng 3/8-16Wing nut, 3/8-16Anti-Scalp WheelBolt, Carriage 3/8-16 x 4”Anti-Scalp Wheel BracketBolt, Hex Serr. Flng 3/8-16 x 1”Flatwasher, 5/8” HardenedLocknut, 3/8-16 Center LockDischarge ChuteBolt, Hex Head 5/16-18 x 1-3/4” - FrontBolt, Hex Head 5/16-18 x 1-1/2” - RearNut, Hex Elastic Stop 5/16-18 Grd 8Nut, 5/8-11 UNCPush Arm ShaftBolt, HH 5/8-11 x 9-1/2”Bolt, Carriage 5/16-18 x 3/4”Bolt, HH 5/16-18 x 4-1/2”Key, 1/4 x 1/4 x 2”Key, 1/4 x 1/4 x 1-1/4”Flatwasher,3/8” (.39 x .938 x .105”) HDBolt, HH 5/16-18 x 1-3/4”Nut, Hex Serr. Flng 5/16-18Bolt, HH 1/4-20 x 1” Grd 8Bushing, .376” I.D. OiliteLockwasher, 5/16”Flatwasher, 5/16” (.375 x .875 x .083”)Flatwasher, 3/8” (.391 x .938 x .105”)Nut, Hex Elastic Stop 3/8-16Bolt, HH 3/8-16 x 3-1/4”Bolt, HH 3/8-16 x 3”Bolt, HH 3/8-16 x 1-1/2”Bolt, HH 3/8-16 x 1-1/2” Grd 8Spindle AssemblySpindle ShaftSeal, TopBearing AssemblySpindle HousingSpacer, OutsideSpacer, InsideSeal, BottomSpindle Bushing, BottomNut, Special 1-1/16-18Grease FittingRelief Fitting, Tapered Spindle
46474849505152535455565758596061626364656667686970727374757677787980818283848586
483378482295482878482486482281459444892648141461842482244832154619294827444247984224124615164359004020-164876304001-7948370448274704110-0304021-134242084350342484004003-2304040-1104021-1148316704003-1204040-0404021-044831764803804021-104376342479904001-154
Spring, Discharge ChuteWheel, Anti-ScalpCutter Blade, 18”Gearbox Assm, Deck DriveBelt, Cutter Deck DriveRoller ShaftTapered Hub, 1-1/8” BoreTapered Hub, 1” BoreIdler Arm, Cutter DeckBearings, BallPulley, IdlerLever Assembly, Deck Level (Incl. 77)Pulley, 5.75” O.D. (52”)Mounting Plate, RH GearboxBelt, CoverPusharm (includes items 44, 63 & 64)Spacer, Spindle BottomNut, Hex Head 5/8-18 UNFRod End, 5/8” Male RH ThrdBolt, Hex Head 5/8-11 x 4-1/2”Spring, Cutter DeckPulley, 6.95” O.D.U-Nut, 3/8-16Nut, Hex Elastic Stop 5/8-11Discharge Baffle 52VPivot, Idler - ShortBaffle, Custom Cut 52VBolt, Carriage 3/8-16 x 1”Flatwasher, 7/16” (.500 x 1.25 x .083”)Nut, Elastic Stop 7/16-14Bolt, Deck AdjustBolt, Carraige 5/16-18 x 3/4”Flatwasher, 5/16”Nut, Center Lock 5/16-18Wear PadWheel, Anti-ScalpNut, Elastic Stop 5/16-18Spacer, Gearbox MountMounting Plate, LH GearboxBolt, HH 5/16-18 x 4-3/4”
4
R section 8
61V cutter deck
44 61 63
69
12
65
64
52
58
5417
59
2414
56
28
56
33
3
A
A
B
B
4
14 29 20
532852
24
58
24
52
73
66
32
13
68
55
55
2958
2
3
23
3
11
50
13
46
60
49
67
24
35
48
916
19
15
27
2612
82
51 23
23
36
37
44
39
43
42
38
45
41
34
62
22
40
37
18
10
1
5
7
6 8
STT-EFI 2008 CD
14
29
12
30
28
31
25
31
21
47 5112
23
71
2213
72
74
28
29
13 2657
75
76
77
78
7980
81
83
84 85 70
5
Rsection 8
61V cutter deck
ref. no.
part no. descriptionref. no.
part no. description
123456789101112131415161718192021222324252627282930313233343536373839404142434445
46186304003-4004019-04481625-0148163204003-2642247804017-2704043-0604021-0546184604001-1204021-2204020-0945124004001-4104003-1204001-10804063-0804063-0104043-0404001-17604019-0304001-17248100-1504030-0304040-1504041-0704021-0904001-6204001-5404001-2004001-136461663435894810244810224364443312432964810254329748103548114-0448677
Cutter Deck Velocity PlusBolt, Carriage 7/16-14 x 1-1/4”Nut, Hex Serr. Flng. 3/8-16Wing Nut, 3/8-16Anti-Scalp WheelBolt, Carriage 3/8-16 x 4”Anti-Scalp Wheel BracketBolt, Hex Serr. Flng. 3/8-16 x 1”Flatwasher, 5/8” HardenedLocknut, 3/8-16 Center LockDischarge ChuteBolt, Hex Hd. 5/16-18 x 1-1/2” - RearNut, Hex Elastic Stop 5/16-18 Grd. 8Nut, 5/8-11 UNCPusharm ShaftBolt, Hex Hd. 5/8-11 x 9-1/2”Bolt, Carriage 5/16-18 x 3/4”Bolt, Hex Hd. 5/16-18 x 4-1/2”Key, 1/4 x 1/4 x 2”Key, 1/4 x 1/4 x 1-1/4”Flatwasher,3/8 (.39 x .938 x .105”) HDBolt, Hex Hd. 5/16-18 x 1-3/4”Nut, Hex Serr. Flng. 5/16-18Bolt, Hex Hd. 1/4-20 x 1” Grd. 8Bushing, .376” I.D. OiliteLockwasher, 5/16”Flatwasher, 5/16” (.375 x .875 x .083”)Flatwasher, 3/8” (.391 x .938 x .105”)Nut, Hex Elastic Stop 3/8-16Bolt, Hex Hd. 3/8-16 x 3-1/4”Bolt, Hex Hd. 3/8-16 x 3”Bolt, Hex Hd. 3/8-16 x 1-1/2”Bolt, Hex Hd. 3/8-16 x 1-1/2” Grd. 8Spindle AssemblySpindle ShaftSeal, TopBearing AssemblySpindle HousingSpacer, OutsideSpacer, InsideSeal, BottomSpindle Bushing, BottomNut, Special 1-1/16-18Grease FittingRelief Fitting, Tapered Spindle
46474849505152535455565758596061626364656667686970717273747576777879808182838485
483378482295482879482486481558459444892648141461842482244832154619294827454247984243254615164359004020-164876304001-7948370448274604110-0304021-1304001-1544242094350342484104003-2304040-1104021-1148316704003-1204040-0404021-044831764803804021-1043763424799
Spring, Discharge ChuteWheel, Anti-ScalpCutter Blade, 21”Gearbox Assembly, Deck DriveBelt, Cutter Deck DriveRoller ShaftTapered Hub, 1-1/8” BoreTapered Hub, 1” BoreIdler Arm, Cutter DeckBearings, BallPulley, IdlerLever Assembly, Deck Level (Incl. 77)Pulley, 6.35” O.D. (61”)Mounting Plate, RH GearboxBelt, CoverPusharm (Incl. 44, 63 & 64)Spacer, Spindle BottomNut, Hex Hd. 5/8-18 UNFRod End, 5/8” Male RH ThreadBolt, Hex Hd. 5/8-11 x 4-1/2”Spring, Cutter DeckPulley, 6.75 O.D.U-Nut, 3/8-16Nut, Hex Elastic Stop 5/8-11Bolt, Hex Hd. 5/16-18 x 4-3/4”Discharge Baffle 61VPivot, Idler - ShortBaffle, Custom Cut 61VBolt, Carriage 3/8-16 x 1”Flatwasher, 7/16 (.500 x 1.25 x .083”)Nut, Elastic Stop 7/16-14Bolt, Deck AdjustBolt, Carriage 5/16-18 x 3/4”Flatwasher, 5/16”Nut, Center Lock 5/16-18Wear PadWheel, Anti-ScalpNut, Elastic Stop 5/16-18Spacer, Gearbox MountMounting Plate, LH Gearbox
6
R section 8
cuTTer decK conTrols
STT-28CAT 2008CDC
6 4
21
19
14
32
3536
34
3319
14
11
13
4
32
5
44
1
4241
38
14
3940
37
43
45
7
89
12
18
17
16
15
21
14
19
20
22
27
14
1928
1419
2526
23
14
19
CUTTER DECK
19
28
302425
29
24
31
2526
14
24
10
7
Rsection 8
cuTTer decK conTrols
ref. no.
part no. description
123456789101112131415161718192021222324252627282930313233343536373839404142434445
48176404020-2848176604050-10459054348748242904009-0248100-1448142846210242485704014-0304019-0442350904003-0442238142346304001-2004019 -0348159848114-044352604020-0904040-0904061-07459044854004004-484619294352704021-0504050-0804041-1448154704067-0904021-0942450404021-0704030-0704105-0148176504001-7404020-2743391
Link, Deck LiftNut, Jam 1/2-20 LHRod End, Female - 1/2-20 LHRing, Retaining 1/2” External “E”Bellcrank Weldment, RH RearPin, DeckliftSlide Weldment, Height AdjustmentBolt, Shoulder 1/2 x 3/4”Bushing, .502 ID.Grip, Deck LatchDeck Latch (Includes items 9 & 10)Lockplate, DeckliftScrew, Cap 5/16-18 x 3” FHHSNut, Hex Serrated Flange 3/8-16Guide, LongBolt, Carriage 5/16-18 x 1”Guide, ShortBracket, Cutting Height AdjustmentBolt, Hex Head 3/8-16 x 1-1/2”Nut, Hex Serrated Flange 5/16-18Spring, Helper (61” & 72” Cutter Decks Only)Grease FittingSwivel Joint, LHNut, Hex 5/8-11Flatwasher, 5/8” (.656 x 1.312 x .095)Cotter Pin, 3/16 x 1”Bellcrank Weldment, LH RearChainStud, 5/8-11 x 26.0”Lever Assembly, Deck LevelSwivel Joint, RHLocknut, 3/8-16 Center LockRing, Retaining 1” External “E”Flatwasher, 1” (1.062 x 1.50 x .048)Lanyard, Deck Height PinRing Pin, 1/2 x 3.06”Nut, 3/8-16 Elastic StopFoot Pedal, Height AdjustmentNut, Hex Elastic Stop 1/2-13Lockwasher, 5/8”Capscrew, 5/8-11 x 1-1/2”Rod End, Female - 1/2-20 RHBolt, Hex Head 1/2-13 x 3”Nut, Jam 1/2-20 RHSpacer, Decklift Pedal
8
R section 8
sheeT meTal componenTs
STT-25CH-LP 2011 SMC
48
5026
30
25
12
15
19
9
1
23
24
31
32
33
34
2933
36
37
40
39
38
41
42
43
51
35
44
4515
27
22
4
20
28
15
1413
12
11
1016
17
20
5
8
7
1818
4
A
A
6
49
47
46
3
8
52
B
B
55
53
53
54
54
54
54
9
Rsection 8
sheeT meTal componenTs
ref. no.
part no. descriptionref. no.
part no. description
1234567891011121314151617181920212223242526272829303132333435
363738
39
40
41
42434445
45148104001-0948337148262149172942481904001-11704019-05*4890342127404003-1242330804029-0104019-0304003-01486614358404003-0448262204021-0946232904019-0404017-2745148042348904021-0904001-1904001-12504021-1348155904021-20481657482028-0145145045195745182545145148102504021-074593445141604001-13404001-16743581435839277927804001-0104001-01423674481284
Fender Weldment, RHBolt, Hex Head, 5/16-18 x 1, ZincSpring, Seat LatchBearing w/ RaceSeat Plate w/DecalGuard, Fuel LineBolt, Hex Head 7/16-14 x 1-3/4” Nut, 7/16-14 Serrated FlangeBattery (not avail. through Scag)Pad, Battery Cover Cover, BatteryBolt, Carriage 5/16-18 x 3/4”Plate, Battery BoxWing Nut, 1/4-20 x 3/4”Nut, Hex Serrated Flange 5/16-18Bolt, Carriage 1/4-20 x 6”Rubber PadSpacer, Caster WheelBolt, Carriage 5/16-18 x 1”SealLocknut, 3/8-16, Elast. StopMain Frame w/DecalsNut, Hex Serrated Flange 3/8-16Screw, Hex Serrated Flange 3/8-16 x 1”Fender Weldment, LHFoot PlateNut, Hex Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 1”Bolt, Hex Head 5/8-11 x 4”Nut, Hex Elastic Stop 5/8-11Cap, GreaseNut, Hex Elastic Stop 1.0-14Bearing W/RacePlug, 1/4-28 THD FormExtention Weldment, Caster 52V (LH)Extention Weldment, Caster 52V (RH)Extention Weldment, Caster 61V (LH) Extention Weldment, Caster 61V (RH)Seal, 2.00” OD. x 1.625” BoreNut, Hex Elastic Stop 1/2-13Yoke Weldment, Caster (52V)Yoke Weldment, Caster (61V)Bolt, Hex Head 1/2-13 x 7-1/2” (52V)Bolt, Hex Head 1/2-13 x 9-1/2” (61V)Sleeve, Caster Wheel (52V)Sleeve, Caster Wheel (61V)Wheel Assy, 52V (Incl. items 20, 54, 55)Wheel Assy, 61V, 72A (Incl. 20, 54, 55)Bolt, Hex Head 1/4-20 x 3/4”Bolt, Hex Head 1/4-20 x 3/4”Mounting Bracket, STT Cup HolderBumper, Rubber
4647484950
5152535455
04050-014843419240491731462045
462046
461908
461909
48114-1042528904001-0204019-0248566
Retaining Ring, .625” Ext. “E”Grip, Seat LatchCup Holder AssemblyLever Assembly, Seat ReleaseCaster Wheel Assembly (Incl. 31 thru 43) 52V (LH)Caster Wheel Assembly (Incl. 31 thru 43) 52V (RH)Caster Wheel Assembly (Incl. 31 thru 43) 61V (LH)Caster Wheel Assembly (Incl. 31 thru 43) 61V (RH)Grease FittingCover, Fuel Tank OpeningBolt, Hex Head 1/4-20 x 1-1/4”Nut, Serrated Flange 1/4-20Cable, Seat Stop
10
R section 8
sTT roll-oVer proTecTion sYsTem
2
3
4
4
2
3
4
34
1
1
1
7
8
6
9
5
7
5
11
1011
6 10
9
2
5
5
11
Rsection 8
sTT roll-oVer proTecTion sYsTem
ref.no.
part no. description
1234567891011
46221004001-8704021-1904040-1348416804001-16304021-19484166484170484169484167
STT, ROPSBolt, Hex Head 1/2-13 x 4”Nut, Center Lock 1/2-13Flatwasher, 1/2-.562 x 1.375 x .109Pin Assembly (incl. #9 & #10)Bolt, Hex Head 1/2-13 x 3-3/4”Nut, Center Lock 1/2-13Stop Bracket, ROPSSpring, ROPSClip, ROPSSpring Clip, ROPS
12
R section 8
ref. no.
part no. description
12345678910
922A484709484717484711484710484712481638484713484714484708
Suspension Seat Assembly w/seat beltArmrest Kit, LHSeat Belt KitRecliner Knob KitArmrest Kit, RHBack CoverSeat SwitchTrack KitSuspension Knob Kit\Seat Cushion
1
7
6
5
9
8
4
2
39
33
33
3
10
sTT suspension seaT
13
Rsection 8
noTes
14
R section 8
decK driVe componenTs
STT 2005 DDC
B
a
a
B
c
C
Frame
21
40
347
4647
43
424
41
45
59
53
854
72
5
6 64 63 62
752
55 960
61
101156
52
1215
65
58
52
1413
12
2017
45
18
66
1967 45
5621 57
58
52
22
1823
24 49 50
69
25 26 27
28 29 30
36
3534
3332
31
6848
51
38
7173
7039
53
45
46
52
44
45
45
45
37
73
16
45
52
7475
76
15
Rsection 8
decK driVe componenTsref. no.
part no. descriptionref. no.
part no. description
1234567891011121314151617181920212223242526272829303132333435363738394041424344
45
42392548153148130948284548030-09461661482876483088481814815364829494818844831654832144830824363104063-14482244812844827454826674616094363246169748103543297481025481022433124329648114-0448677436444810224810244353446160848242404012-0804011-1104041-0704069-0143507452105
04019-04
Belt Guard, RearHinge, Belt GuardLatch, HoodRod Assembly, Clutch Anti-RotationClamp, CableClutch, Ogura GT-3.5Belt, Deck DriveSpring, Transmission IdlerPulley, Idler 5” Dia.Tapered Hub, 1” BorePulley, 6.70” Tapered BoreTapered Hub, 17mm BoreBelt, Pump Drive STTPulley, Idler 4” Dia.Pulley, 4.55” Dia.-1.125” BoreSpacer, Idler BearingKey, 5.0 x 5.0 x 25mmBall BearingBumper, RubberPulley, 6.35” O.D.Spring, PTOIdler Arm Weldment, PTO DrivePivot, Idler PTOSpindle Assembly, Deck DriveNut, 1.06”-18 ThreadSpindle Bushing, BottomSeal, 2.0” OD x 1.625” BoreRoller Bearing TaperedSpacer, OutsideSpacer, InsideGrease Fitting, 1/4-28Relief FittingSpindle HousingRoller Bearing TaperedSeal, 2.0” OD x 1.5” BoreShaft, Deck DriveIdler Arm Weldment, Pump DriveDriveshaft (Air-Cooled Engine)Set Screw, 3/8-16 x 3/4” Torx SocketScrew, #10-32 x .56”Flatwasher, 3/8 (.391 x .938 x .105”)Pin, Rue Cotter 3/8” Dia.Stud, Anti RotationPump Mounting Plate Weldment (STT-25CH-LP)Nut, Serrated Flange 3/8-16
46474849505152535455565758596061626364656667686970717273747576
04019-0204003-0704021-2204001-17604063-0604001-17104043-0404001-13504001-13604001-17004021-0504001-13604021-0904001-4504001-10904030-0204001-10104030-0504041-2804001-17204001-2104019-0304021-0904001-1904021-0504001-2104063-0204063-204241384306304001-19
Nut, Serrated Flange 1/4-20Bolt, Carriage 1/4-20 x 1/2”Nut, Elastic Stop 5/16-18 Grade 8Bolt, Hex Head 5/16-18 x 1-3/4” Grade 8Key, 1/4 x 1/4 x 1-1/2”Bolt, Hex Head 3/8-16 x 4-1/2” Grd 8 BlackWasher, 3/8” HardenedBolt, Hex Head 3/8-16 x 1-3/4” Grd 8 BlackBolt, Hex Head 3/8-16 x 1-1/2” Grd 8 BlackBolt, Hex Head 3/8-16 x 2-1/2” Grd.8Nut, Center Lock 3/8-16Bolt, Hex Head 3/8-16 x 1-1/2” Grd 8 BlackNut, Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 2”Bolt, Hex Head 1/4-20 x 1-3/8”Lockwasher, 1/4” SpringBolt, Hex Head 7/16-20 x 2-1/2” UNFLockwasher, 7/16” SpringFlatwasher, 7/16 (.469 x 1.75 x .25”)Bolt, Hex Head 1/4-20 x 1” Grade 8Bolt, Hex Head 3/8-16 x 1-3/4”Nut, Serrated Flange 5/16-18Nut, Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 1”Nut, Center Lock 3/8-16Bolt, Hex Head 3/8-16 x 1-3/4”Key, 1/4 x 1/4 x 2-1/4”Key, 1/4 x 1/4 x 1”BracketSpacerBolt, Hex Head 3/8-16 x 1”
16
R section 8
enGine and aTTachinG parTs - Kohler lp
STT 2005 EAPKH
1
3
7
8
2
5
910
9
14
FRAME
REF. PUMPMTG. WELDMENT
11
6
15
16
1012
4
1210
13
17
Rsection 8
enGine and aTTachinG parTs - Kohler lp
ref.no.
part no. description
12345678910111213141516
42593304017-05**48251004110-01424691484565484052**04001-1904030-0404001-2104021-0904001-3245145904003-1204019-03
Muffler GuardScrew, Hex Serrated Flange 1/4-20 x 3/4”Muffler, Part Of Engine (Available only through Kohler)Oil Drain ExtensionU-Nut, 1/4-20Rear CoverHour Meter, InductiveEngine, Kohler 25 CH LP (Available only through Kohler, Eng. Spec. PS-CH730-0220)Bolt, Hex Head 3/8-16 x 1”Lockwasher, 3/8” SpringBolt, Hex Head 3/8-16 x 1-3/4”Nut, Hex Elastic Stop 3/8-16Bolt, Hex Head 3/8-16 x 1-1/4”Plate, Engine MountingBolt, Carriage 5/16-18 x 3/4”Nut, Hex Serrated Flange 5/16-18
** Available through the individual engine manufacturer.
18
R section 8
BraKe and sTeerinG componenTs
STT2006B&SC REV 1
A
1
1011
33
17
9
19
2341
1121
34
36
57
73
48
47
46
5
23
53
42
43 44 45
15
56
70
69
71
62
15
65
60
64
67
60
5241
3423
51
50
34
35
TO RH PUMP
TO LH PUMP
3736
2728
35
33
78
34
31
3029
8
9
32
13
B
9
B
25
18
72
495554
75
26
58
5
68
66
3736
61 5974
7
20
13
14
22
14
39
1624
3863
24
38
12
79
22
21
A
40
38
80
77
45
2
76
43
6
6
81
5
82
19
Rsection 8
BraKe and sTeerinG componenTs
ref. no.
part no. descriptionref. no.
part no. description
12
34567
89101112131415161718
1920212223242526272829303132333435
36373839404142434445
48234046191446192304001-0904030-0348325048323845148345148404001-1704021-1004001-4504021-09423488482244360704069-0104001-1304021-1346160146160204003-044360004003-1204019-0304050-01436024591804003-0204040-1404021-084347748138904060-0104061-0648258604020-25436294362404020-2648258504021-1048415104001-18748114-0446108248154804001-2204019-06
Grip, Handle BarHandle Bar, LH (Includes item 1)Handle Bar, RH (Includes item 1)Bolt, Hex Head 5/16-18 x 1”Lockwasher, 5/16”Rubber SpacerBar, Control LeverControl Lever Weldment, LHControl Lever Weldment, RHBolt, Hex Head 5/16-18 x 2”Nut, Hex Elastic Stop 5/16-18Bolt, Hex Head 3/8-16 x 2”Nut, Hex Elastic StopMount, Control Linkage Ball Bearings, Neutral Return SpacerPin, Rue Cotter 3/8” Dia.Bolt, Hex Head, 5/16-18 x 2.75” ZincNut, Hex Elastic Stop 5/8-11Bracket, Control Lever LHBracket, Control Lever RHBolt, Carriage 5/16-18 x 1”Spacer, Bearing Bolt, Carriage 5/16-18 x 3/4”Nut, Hex Serrated Flange 5/16-18Ring, Retaining 5/8” External “E”SpacerBracket, Neutral ReturnBolt, Carriage 1/4-20 x 3/4”Flatwasher, 1/4” (.312 x .750 x .065”)Nut, Hex Elastic Stop 1/4-20Pin, Retaining SpringSpringRoll Pin, Spring 5/32” x 3/4”Pin, Cotter 9/16” x 1-1/2”Rod End, Male 3/8”-24 RH ThreadNut, 3/8”-24 RH ThreadTube, Control Link Air-Cooled EngineTube, Control Link Liquid-Cooled EngineNut, Hex 3/8”-24 LH ThreadRod End, Male 3/8”-24 LH ThreadLocknut, 5/16-18, Elastic StopGas DamperBolt, Hex Head 1/2-13 x 2-1/2” Grade 8Grease FittingLever, Parking Brake (Includes item 43)Grip, Parking BrakeBolt, Hex Head 3/8-16 x 2-3/4”Nut, Hex Serrated Flange 1/2-13
46474849505152535455
56
57585960616263646566676869
70717273747576777879808182
48343-0404064-0204061-0204004-34485444879604001-0804001-14748163704010-12
462100462101459534880704001-16304021-1904001-5248263904001-1248364404064-164306346143804063-2548155248165948166048185048185148185204028-024868042237304001-2042327942349104017-1604003-3604001-1948163804001-16804003-05483269
Clevis, Traction ControlPin, Clevis 3/8-16 x 1-1/16”Pin, Cotter 3/32 x .75”Rod, Parking BrakeRod End, LH ThreadBushing, Self AlignBolt, Hex Head 5/16-18 x 3/4”Bolt, Hex Hd 3/8-24 x 5-1/4”, 23/4” ThrdSwitchScrew, Hex-Slotted Washer Head #10 32 x 3/4”Brake Linkage, LHBrake Linkage, RHBellcrank, Brake ActuatorSpringBolt, Hex Head 1/2-13 x 3-3/4”Locknut, Hex 1/2-13 Center LockBolt, Hex Head 1/2-13 x 2-1/2”Wheel Motor, RossBolt, Hex Head, 5/16-18 x 1.75”, ZincBrake Band AssemblyPin, Clevis 3/8” Dia. x 1.93”SpacerWheel Hub/Brake Drum AssemblyKey, Woodruff 5/16 x 1”Wheel Assembly 23 x 10.5-12 (52” Only)Rim W/Valve Stem (52” Only)Tire, 23 x 10.5-12 (52” Only)Wheel Assembly 24 x 12-12 Turf MasterRim W/Valve StemTire, 24 x 12-12 Turf MasterLug Nut, 1/2-20Nut, Hex CastleThreaded PlateBolt, Hex Head 3/8-16 x 1-1/2”Plate Weldment, Motor Backing Actuator SwitchBolt, Hex Serrated Flange 5/16-18 x 3/4” Bolt, Carriage 3/8-16 x 4-3/4”Bolt, Hex Head 3/8-16 x 1”SwitchBolt, Hex Head 3/8-16 x 1-1/4” Grade 8 Bolt, Carriage 3/8-16 x 1-1/2”Knob
20
R section 8
hYdraulic sYsTem - Kohler lp
D
D
D
E
F
C
IH
GG
FE
A
A
B
C
DUMP VALVE
B
2009 STT-25CH-LP HS.eps
IH
39
23242640
342535
2131
339
30
30
111213
4
4
3
44 45 17
5
4
4
5
42
342535
188
2019
6
2241
2728
2946
38
2
2
361037
7
7
22
5
4
4
43 (2)
43 (2)
5
1
14
15
16
32
6
6
21
Rsection 8
hYdraulic sYsTem - Kohler lp
ref. no.
part no. descriptionref. no.
part no. description
123456
7
89
10
11
12131415161718192021222324252627
282930313233343536373839
40
04110-0148136-1304001-034881148136-07482266-01
482266-02
482417482606
42352442352504043-04
04021-0948269604001-3204021-0948269548179304001-0904019-034875848247704021-0848116448150748603-0246145148257248257148136-134881104010-1048571-0242269448136-0548350-0248938-0248250504001-0804060-09482574482573423513
U-Nut 1/4-20Hose Clamp, 0.69” Dia.Bolt, Hex Head 1/4-20 x 2.0”Hose, 3/8” ID Pushlock - (order by inch)Clamp, Hose 1/2”Elbow, 90 Degree - 9/16” O-Ring x 3/8” HoseElbow, 90 Degree - 3/4” O-Ring x 3/8” HoseOil Filter BaseHose Assembly, 1/2” ID (Tank to Filter Base)Mounting Bracket - LH, Oil CoolerMounting Bracket - RH, Oil CoolerFlatwasher, 3/8” (.391 x .938 x .105”) Grade 8Nut, Hex Elastic Stop 3/8-16Pump, Right HandBolt, Hex Head, 3/8-16 x 1-1/4”Nut, Hex, Elastic Stop 3/8-16Pump, Left HandBlock, Pump ControlBolt, Hex Head 5/16-18 x 1.0” ZincNut, Serrated Flange 5/16-18Oil FilterTee, 3/4” O-Ring x JIC x 1/2” HoseNut, Hex Elastic Stop 1/4-20Cap, Hydraulic TankInsert, Filler NeckO-RingOil Reservoir Assembly (incl. 24, 27, 39)Elbow, 90 Degree .38” HoseBushing, .56” Dia. VitonHose Clamp, 0.69” Dia.Hose, 3/8” ID, Pushlock (order by inch)Screw, Phillips Head, 1/4-20 x 2"CapClamp Plate, Pump ControlClamp, HoseElbow, 90 Degree, 1/2” x 1/2”Bushing, 7/8”-14 JIC x 3/4”-16 O-RingCooler, OilBolt, Hex Head 5/16-18 x 3/4”Roll Pin, Spring 3/16 x 3/4”Elbow, 90 DegreeBushing, .78” Dia. VitonStrap, Hydraulic Tank
414243444546
42348548161148572-0404001-5904030-0204001-01
Support Bracket, Hydraulic TankHose Assembly, PumpUnion, 3/4”-16 JIC x 3/4”-16 O-RingBolt, Hex Head, 1/4-20 x 1-1/4”Lockwasher, 1/4” SpringBolt, Hex Head 1/4-20 x 3/4"
22
R section 8
lp sYsTem - Kohler
A
A
B
B
C
CD
D
TO VAPORIZER
FROM VAPORIZER
TO CARBURETOR
1
13
3
2
11
21
2
5
5
2
4
23
24
25
10
10
7
2 7
8
9
66
3
333
6
17
17
15
16
18
19
20
12
13
22
14
5
55
55
55
5
LP Tank Bracket Kit
23
Rsection 8
lp sYsTem - Kohler
ref. no.
part no. description
12345678910111213141516171819202122232425
04001-1204001-1804001-1904019-0304019-0404041-07422386425254425261425262425263483888483889-01483903483909483910483911483912484000483899484033484034******
Bolt, Heax Head 5/16-18 x 1-3/4"Bolt, Head Head 3/8-16 x 3/4"Bolt, Hex Head 3/8-16 x 1"Nut, Serrated Flange 5/16-18Nut, Serrated Flange 3/8-16Flatwasher, 3/8-.391 x .938 x .105BraceMounting Bracket, Tank Support LHSupport, LP TankBrace, LP Tank Mounting BracketMounting Bracket, Tank Support RHLP Quick CouplerAdapter Fitting, 9/16-18 SAE x 1/4" PipeMounting Bracket Kit (incl. # 15, 16, 17, 18, 19)Mounting Bracket, LP Tank FrontMounting Bracket, LP Tank RearHandle, LP Tank Mounting BracketBracket, LP Tank LocatorBolt, Hex Head 1/4-20 x 3/8" LockingLP TankLP Fuel Line, 10"LP Fuel Line, 32"HoseHoseLP Regulator
** Available through the individual engine manufacturer.
24
R section 8
Bdp-16a hYdraulic pump assemBlY
OR
OR
PORT "A"SIDE
PORT "B"SIDE
Overhaul Seal K
it
1
23
4
5
6
7
89
10
11
12
13
14
15
1617
17
18
19
20
20
21
21
22
23
242526
27
28
29
30
25
Rsection 8
Bdp-16a hYdraulic pump assemBlY
ref.no.
part no. description
123456789101112131415161718192021222324252627282930
HG70740HG51455HG70735HG51462HG51436HG2000015HG2000014HG2000025HG2000024HG2000032HG2000023HG2000038HG51092HG70581HG70738HG70739HG50641HG51437HG9005110-7500HG70743HG70742HG9005200-7500HG70736HG2513030HG9004100-1430HG50406HG50173HG2510071HG51457HG70402
Overhaul Seal KitValve PlateCylinder Block Kit - 16ccThrust Ball Bearing AssemblyVariable SwashplateSlot GuideTrunnion ArmBlock SpringBlock Thrust WasherShaft Ball BearingSpacerRetaining RingSealKit, Pump ShaftHousing KitTrunnion Seal KitPinO-RingStraight Thread PlugShock Valve Kit (.031 Orifice)Shock Valve Kit (.024 Orifice)Straight Thread PlugEnd Cap KitBypass Valve KitO-RingGerotor Assembly (.19 cu.in./rev.)Socket Head Cap Screw (M8 x 1.25-25mm)Charge Pump Kit (.19 STD. Splined)Hex Screw, Flanged Head (M10 x 1.50-65mm)Charge Relief Kit
26
R section 8
elecTrical sYsTem - Kohler lp
SCAG
POW
ER E
QU
IPM
EN
T
21
1
34
5
6
1213
17
STT-25CP-LP 2009 ES
10
10
11
17
18
1514
19
20
22
23
24
25
1
28
27
14
15
9
10
11
8
B
B 7
15
14
16
a
26
18
a
c
c
29
2
20
20
2
3132
30
TOMAIN HARNESS
TOENGINE
33
27
Rsection 8
elecTrical sYsTem - Kohler lp
ref.no.
part no. description
123
456789101112131415161718192021222324252627282930313233
4846544829848336646206948017-0448017-034619164879848395748301304031-0104020-0148175545187904030-0204001-0104110-0148154404010-0148163804001-4448029-2204020-0248029-1148030-0948136-0548359904002-1204031-03483642482588483629483571484078
Wire Harness, STT-BV/CHFuse, 20 AMPKey, IgnitionKey Assembly w/FobNut, Hex 5/8-32Lockwasher, 5/8” InternalInstrument Panel, Top w/DecalsKey SwitchSwitch, PTORelayLockwasher, #10 External ToothNut, Hex #10-32AmmeterBase, Instrument PanelLockwasher, 1/4”Bolt, Hex Head 1/4-20 x 3/4”U-Nut, 1/4-20Throttle And Choke Controls (Kohler)Screw, Phillips Washer Head #10-32 x 1/2”Switch, Interlock-SeatBolt, Hex Head 1/4-20 x 1/2”Cable, Battery - Red Nut, Hex 1/4-20Cable, Battery - BlackClamp, Cable 1/2” ID.Clamp, Cable 3/4” ID.Electronic ModuleBolt, Hex Head M8-1.25 x 20mmLockwasher, 5/16” External ToothDouble Fuse Assembly, Sealed (Incl. items 2, 42, 43, 44)Clip, WireFuse HolderCover, Sealed DoubleWire Harness Adapter, Kohler
28
R section 8
replacemenT decals and informaTion plaTes
1 2
5
3
6
4
9
16
18
8
2011 STT-25CH-LP Decals 1
WARNINGINSTALL BELT COVER BEFORE
OPERATING MACHINEREAD OPERATOR'S MANUAL
481568
FORWARD
REVERSEFR
13
Heavy-DutyCommercial
481971
12
17
10
11
15
14
483762
CHOKESLOW FAST
482983
PUSH IN TO DISENGAGE
MOWER DECKPULL OUT TO ENGAGE
WARNINGOperation of this equipmentmay create sparks that canstart fires around dry vegetation. A spark arrestor may be required.The operator should contact local fire agencies for laws or regulations relating tofire prevention requirements.
483900
__________ __________ __________ ____________________ __________ __________ ____________________ __________ __________ ____________________ __________ __________ __________
California Only
29
Rsection 8
replacemenT decals and informaTion plaTes
ref. no.
part no. descriptionref. no.
part no. description
12345
67891011121314151617181920
483407483406483044483900483200483201481568481663481971483402484293483425482515482983483633483158482565482493484321484320482577
Decal, Danger-Spinning BladesDecal, Warning-Rotating BladesDecal, PatentsDecal, Warning Spark ArrestorDecal, 52” Velocity PlusDecal, 61” Velocity PlusDecal, Traction ControlDecal, Stripes-LHDecal, Heavy Duty CommercialDecal, Belt CoverDecal, Start / DriveDecal, ROPSDecal, Instrument Panel - UpperDecal, Instrument Panel - LowerDecal, Seat ReplacementDecal, ROPSDecal, Cutting Height - LowerDecal, Cutting Height - UpperDecal, Start/Drive ProcedureDecal, STT AdjustmentsDecal, Turf Tiger
212223242526****
4834054832294837274840448407048166446198201411
Decal, WarningDecal, Turf TigerDecal, Scag LogoDecal, Metalcraft-Made In USADecal, Turf Tiger PropaneDecal, Stripes-RHSpanish Decal Kit, STTDVD Video, Tips for Safe Operation of Your Scag Zero-Turn Mower (not shown)
481569
R
20
2011 STT-CHLP Decals Page2
22
726
19
25
21
R
483727
23
24
484070
PROPANE
481663
4816
64
48404
ISO 9001 Registered
30
R section 8
elecTrical schemaTic - Kohler lp
Kohler STT SchematicSerial No. 7700001 & Higher
RELAY
MODULEPLUG
POSAMPMETER
NEGAMPMETER
PTOSWITCH
KEYSWITCH
ENGINE
CLUTCH
NEG POSHOURMETER
GROUND
R.H. NEUTRALSWITCH
20 AMP FUSE20 AMP FUSE
BRAKEINTERLOCK
SWITCH
SEATSWITCH
L.H. NEUTRALSWITCH
DIODE
DIODE
GRN W/WHT STRIPE
GRN W/BLK STRIPE
GREEN
RED W/YEL STRIPE
PINK
RED
GRN W/BLK STRIPE
WHITE
BLACK
LIGHT BLUE
ORANGE
BROWN
RED
RED
BLUE
RED
LIGHT BLUE
YEL W/RED STRIPE
RED W/YEL STRIPE
RED
YELLOW
RED
RED
WHITE
WHITE
BLACK
BLACK
GREEN
YEL W/RED STRIPE
RED
RED
PINK
RED
RED
YELLOW
YELLOW
RED
RED
BROWN
OR
AN
GE
BLU
E
YE
LLO
W
GR
N W
/WH
T S
TR
IPE
RE
D
WH
ITE
RE
D W
/WH
T S
TR
IPE
RE
D
RED
RED
RED W/WHT STRIPE
BLA
CK
BLU
E
RE
D
BLA
CK
BLA
CK
BLA
CK
DIODE(600V 2A)
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