Sears 917.255741 manual Engine

Page 39

REPAIR PARTS

12 H.P. 38" RIDING LAWN "I-RACTOR°-MODEL NUMBER 917o255741 ENGINE--MODEL NUMBER 143.366202

ENGINE

KEY

PART

DESCRIPTION

 

 

 

 

 

 

 

 

 

KEY

PART

NO.

NO.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO°

NO.

1

35323

Cylinder Assy

 

(Inct

Nos

8 _

13)

 

65

32610A

2

28277

Washer,

Flat

 

 

 

 

 

 

 

 

 

 

 

 

3

35324

Rod, Governor

 

 

 

 

 

 

 

 

 

66

t'33509

4

32651

Lever,

Governor

 

 

 

 

 

 

 

 

67

t'344!0

5

29916

Clamp.

Throttle

lever

 

 

 

 

 

 

68

33510

6

650548

Screw.

Hex washer

hd,

 

8-32 x 5/16

69

33507

7

35203

Spring,

Control

 

 

 

 

 

 

 

 

 

70

33508

8

35319

Seal, Oil

 

 

 

 

 

 

 

 

 

 

 

 

7t

t'35295

9

35326

Baffte,

Blower

housing

 

 

 

 

 

 

72

35296

10

650561

Screw,

Hex washer hd

 

Dudok,

!/4-20

73

650878

 

 

x 5/8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

74

35297

11

35336

Crankshaft

Assy,

(Counterbalance)

 

75

35298

12

35327

Gear, Counterbalance

 

 

 

 

 

 

76

28264

13

27652

Pin, Dowel

 

 

 

 

 

 

 

 

 

 

 

77

33471

14

29826

Screw,

Hex washer

hd,

10-32 x 3/4

78

1"'35299

15

29216

Nut,

Lock

 

 

 

 

 

 

 

 

 

 

 

79

35300

16

29918

Washer,

E T_ Lock

 

 

 

 

 

 

 

80

t'65O879

17

303_

Nut 8- Washer,

10-32 "Keps"

 

 

 

 

 

18

29642

Ring, Retaining

 

 

 

 

 

(Incl. No.

 

82

"27896

19

35329

Piston _

Pin Assy

(Std.)

21)

83

28423

2O

34866

Ring Set, Piston

(Std,)

 

 

 

 

 

84

28424

21

31919

Ring,

Piston pin retaining

 

 

 

 

85

28425

22

35330

Rod Assy,

Connecting

 

(tncl. No

23)

86

35350

23

650882

Screw,

Connecting

rod

 

 

 

 

 

87

650128

24

35313

Lifter,

Valve

 

 

 

 

 

 

 

 

 

 

88

35301

25

35314

Camshaft Assy

 

(Mech,

Compression

89

650128

26

 

Release)

 

 

 

 

 

 

 

 

 

 

 

 

90

650517

35315

Weight

Assy.,

Counterbalance

 

 

91

"33263

27

35316

Extension,

Blower housing

 

 

 

92

35304

28

650128

Screw,

Fit

hd

Seres,

 

10_24x I/2

 

93

35302

28A

30688

Screw, Hex hd, Sems, 1/4-20 x 1/2

94

34109A

29

"35317

Gasket,

Mounting

flange

 

 

 

 

 

 

30

35318

Flange, Mounting

(Inct. Nos, 32, 33 _t

94A

31342

31

 

34)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

94B

650549

31356

Pump Assy,,

Oil

 

 

 

 

 

 

 

 

94C

35346

32

31927

Plug,

Oil drain

 

 

 

 

 

 

 

 

 

96

30200

33

35319

Seal, Oil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

34

35320

Shaft,

Governor

 

 

 

 

 

 

 

 

97

792028

35

31707A

Spacer,

Governor

gear (tncl

No. 36)

98

*33515

36

30590A

Washer,

Flat

 

 

 

 

 

 

 

 

 

 

99

35288

37

35321

Gear Assy,,

Governor

 

 

 

 

 

 

100

650738

38

35322

Spool,

Governor

 

 

 

 

 

 

 

 

 

 

39

29193

Ring,

Retaining

 

 

 

 

 

 

 

 

 

101

35338

4O

650833

Screw,

 

Hex

washer

 

hd.

Powerlok,

102

30688

 

 

1/4-20 x 1-3/16

 

 

 

 

 

 

 

 

103

297478

41

32589

Key,

Flywheel

 

 

 

 

 

 

 

 

 

 

 

42

611093

Flywheel

(3 Amp,

w/ring

gear)

 

t04

35290

43

650880

Washer,

Lock

 

 

 

 

 

 

 

 

 

105

650273

44

650881

Nut,

Flywheel

 

 

 

 

 

 

 

 

 

111

30668

45

35135

Solid

State

Assy. (Incl

No

45A)

 

115

35411

45A

610118

Cover,

Spark

plug

 

 

 

 

 

 

 

115A

 

46

650872

Stud,

 

Solid

State

Assy

 

 

 

 

 

116

34113

47

650814

Screw,

Hex hd

Seres,

10-24 x I

 

1t8

29774

49

"35306

Gasket, Cylinder

head

 

 

 

 

 

 

119

26460

5O

35307

Head Assy,

 

Cylinder

 

 

 

 

 

 

119A

34279A

51

730218

Valve Guide

Kit (tncf

2 of No

52)

120

27793

52

34315

Ring,

Retaining

 

 

 

 

 

 

 

 

 

121

28942

53

35308

Valve,

Exhaust

(Std.)

 

 

 

 

 

 

 

 

54

35309

Valve,

Intake

(Std)

 

 

 

 

 

 

 

125

33992A

55

650691

Washer,

Fiat

 

 

 

 

 

 

 

 

 

 

126

33589A

56

650690

Washer,

Be[levilie

 

 

 

 

 

 

 

127

33590

57

650746

Screw,

Hex hd,

5/16-18

x 3/8

 

 

128

34909

58

650692

Screw,

Hex hd,,

5/16-18

x !-3/4

 

129

35108

59

34046

Resistor

Spark

Plug

(Champion

RL-

130

34910

6O

 

86C or

equivalent}

 

 

 

 

 

 

 

131

650875

t'33481

"O"

Ring

 

 

 

 

 

 

 

 

 

 

 

131A

35437

6OA

t'35358

"0"

Ring

 

 

 

 

 

 

 

 

 

 

 

 

 

6t

33480

Tube,

Push rod

 

 

 

 

 

 

 

 

 

 

6235310 Housing, Rocker arm

63t" 33484 "0" Ring

64650168 Washer, Flat

DESCRIPTION

Screw, Flanged hex hd, 1/4-20 x

29/32

"O" Ring (Intake)

"0" Ring (Exhaust) Cap, Valve spring Spring, Valve

Cap, Valve spring keeper "O" Ring

Guide, Push rod Stud, Rocker arm Arm, Rocker Bearing, Rocker arm Nut, Lock

Rod, Push

"0" Ring

Cover, Rocker arm housing

Screw, Pan hd, w/seating Lockwasher, 8-32 x 1t2

Gasket, Valve cover

Body, Breather Element, Breather

Cover, Valve spring box Tube, Breather

Screw, Fil hd, Sems, 10-24 x 1/2

Extension, Blower housing

Screw, Fil, hal, Seres, 10-24 x 1/2 Screw, Fil, flex hd,, 1/4-20 x 7/8 Gasket, Carburetor to intake pipe Pipe, Intake

Link, Governor

Bracket Assy,, Contro_ (Incl. Nos, 94A Et 94B)

Spring, Compression

Screw, Fil., hd, 5-40 x 7t16 Link, Governor spring

Screw, Hex washer hd.. setf4ap Sems,

10-24 x 9/16

Screw, Hex hd. Seres, 5/16-18 x 7/8 . Gasket, Intake pipe

Brace, Intake pipe

Screw, Hex washer spinlock hd.

thread forming, t/4-20 x 5t8 Housing, Blower

Screw, Hex hd, Sems, 1/4-20 x 1t2 Screw, Phil, Hex hd, Sems, 5/t6-24 x

21t32

Cover, Cylinder head

Screw, FiL hd, Sems, 5/16-18x 1/2 Screw, Hex hd_ Seres, 1/4-20 x 1t2 Ssreen, Starter

Pop, Rivet (Can be purchased locally)

Plug, Blower housing Line, Fuel

Clamp, Fuel line

Filter, Fuel (tnci No o 119) Clip, Conduit

Screw, Hex washer hdo Sems, t0-32 x 3/8

Tube, Oil fill

Dipstick, Oi_ (Incl, No, 127) "O" R_ng

Body, Air cleaner Fiiter, Fe_t air cleaner

Filter, Air cleaner

Screw, Fil hd Seres, 10o32 x 5-1/4 Clip

*Indicates Part_, !,_cluded in Gasket Set Key No 174

- 39 -

Image 39
Contents Riding Lawn Trac TOR Electric Start Mode L noContents For Safe Operat O Seat ASSEM6LYNected First to Prevent Sparks ROM Accidental Grounding Battery OnstallatdonDo not Short Battery Terminals Move Metal BRACELETS, Wrist Watch BANDS, RINGS, ETC. fromTire Pressure Initial AdjustmentsWhen not in USE, Keep Terminal Access Doors Closed ScrewNear AN Open FLAMEn 20 o 100Fill to Bottom of GAS Tank FILLo ER NECK, do not OVERFILL. WipeStarting the Engine Warming UP the EngineChoke Fast Mower Adjustment Depth AdjustmentFor ANY ADJUSTMENTS, Inspection Or Maintenance Be sure all nuts are securely tightened Adjust Mower from Front to RearSee Mower ADJUSTMENT, Equivalent to Approximately 3/16 Height ChangeFLQP=UP Duscnarge Guard Operatuo = MowerBlade Care Maintenance = MowerBlade Replacement Cleaning MowerTractor Operatoon on Niills Your TractorTransportiingyour Tractor Freouently Maintenance = TiractorBaily Maintenance First HoursF1GURE Daily or Every HoursThan JAM NUTCooling Clean Engine Cooling FinsWear Safety Glasses if Using COM Replace AIR Cleaner ElementPosition Do not Make Unnecessaryadjustments FACAsneeded Refer Starting EngineRear Viewed from Bottom of Tractor Belt Installation Decal Under Left Foot RestClean Battery and Terminals SideMower Belt Agjustment To Remove Mower To Replace Mower BeltUnsatisfactory Mower PERFORMANCE/UNEVEN StoragePartially plugged Muffler Possible RemedyService Neutral Attach White SchematicSolid State Ignition Switch Starter12 H.P Riding Lawn TRACTOR-MODEL Number Electrical Repahr Parts12 H.P Riding Lawn TRACTOR--MODEL Number Electr Ical 12 H,P Riding Lawn TRACTOR--MODEL Number Enclosure Repair Parts12H.P Riding Lawn TRACTOR-MODEL Number Enclosure PartKEY 12 H.P Riding Lawn TRACTOR--MODEL Number DriveOptional Equipment Rive EPAaR Parts Standard HARDWARE,-PURCHASE Locally 12 H.P, 38 Riding Lawn TRACTOR-MODEL NumberSteering and Front Axle KEY PAR T Description Part 108456XLift Adjustment Repaiir PartsHoP Riding Lawn TRACTOR-.MODEL Number 917,255741 C D E Standard HARDWARE-.PURCHASE12H,P,38 RIDINGLAWNTRACTOR--MODELNUMBER917.255741 Mower Mower 12 H.P Riding Lawn TRACTOR--MODEL NumberTRANSAXLE--MODEL Number 751053A 12 H.P Riding Lawn TRACTOR-MODEL Number Rpair Parts Engine Repair PAR TS Description KEY Part 12 H.P Riding Lawn TRACTOR--MODELNUMBERENGINE--MODEL Number 143,366202 Engine KEY PartStarter Motor no Carburetor noSKY Line or Tree Not Across Hill Sighting .GUIDEModel no RID JNG Lawn Tractor Electric Start