Sears 917.25559 manual KEY Part Dsscription, 005

Page 49

REPAIR PARTS

12.5HP 38" RIDING LAWN TRACTOR - o MODEL NUMBER 917,255590 BRtGGS & STRATTON ENGINE o MODEL NUMBER 28(}707, TYPE NUMBER 0437o01

KEY

PART

 

 

 

 

 

 

 

 

 

KEY

PART

 

 

 

 

 

 

 

NO.

NO.

DSSCRIPTION

 

 

 

 

 

NO.

NO.

DSSCRIPTtON

 

 

1

490450

Cyiinder

Assembly

 

 

 

78

93805

Screw,

Sems

 

 

 

2

261623

Bearing,

Cylinder

 

(Requires

Special

95

94098

** Screw,

Throttle

 

 

 

 

Tools

For Installation)

 

 

98

494382

Screw,

 

Idle Speed

 

3

391086

*Sea!,

Oil

 

 

 

 

 

 

104

231789

** Pin, Ftoat

Hinge

 

 

5

494240

Head,

Cylinder

 

 

 

 

 

t05

231790

** Valve Assembly,

Inlet Needle

7

271866

*Gasket,

Cylinder

Head

 

 

t06

281 t69

Inlet Valve

Seat

 

 

8

391406

Breather

Assembly

 

 

 

108

224540

Valve,

Choke

 

 

 

9

27803

Gasket,

Valve

Cover

 

 

1t8

494383

** Valve,

Needle

 

 

 

10

94621

Screw,

Seres

 

 

 

 

 

t21

494384

Carburetor

Overhaul

Kit {includes

1t

280100

Tube,

Breather

 

 

 

 

 

 

 

items

marked

** and *_*)

t2

271916

* Gasket,

Crankcase

Cover

1/64"

!23

94616

Screw,

 

Elbow

Mounting

 

271997

* Gasket,

Crankcase

Cover

.005"

125

494392

Carburetor

Assembly

 

 

271996

* Gasket,

Crankcase

Cover

.009"

 

 

(Choke-A-Matic)

 

 

13

94622

Screw,

Cylinder

Head

3"

 

t30

224539

Valve,

Throttle

 

 

14

93415

Screw,

Cylinder

Head

3/4"

 

131

494379

Shaft and

Lever,

Throttle

15

94239

Plug, Oil Drain

 

 

 

 

 

133

494381

Float,

Carburetor

 

 

16

490466

Crankshaft

 

 

 

 

 

!37

28tt65

*** Gasket,

F!oat Bowl

 

 

94196

Key, Timing Gear

 

 

 

138

281164

*** Washer,

Float Bowl

Screw

18

494238

Base, Engine

 

 

 

 

 

I4t

494380

** Shaft and Lever,

Choke

20

291675

*Sea},

Oil

 

 

 

 

 

 

I42

231793

** Nozzle/Jet,

Carburetor

22

94624

Screw,

Seres,

Base Mounting

 

494499

High Altitude

Kit:

 

 

23

492326

Flywheel

and Ring Gear Assembly,

 

 

23t 796

 

Pilot Jet,

High Altitude

 

 

Magneto

 

 

 

 

 

 

 

 

281164

 

Seal,

Bowl Screw

24

222698

Key, Ftywheel

 

 

 

 

 

t47

23t794

** Pilot, Jet

 

 

 

 

25

394661

Piston Assembly,

 

Standard

 

164

2!3811

Carburetor,

Elbow

 

 

394662

Piston Assembly

 

.010" Oversize

t71

28105!

Nut, Air Cleaner

Mounting

 

394663

Piston

Assembly

 

,020" Oversize

!87

393815

Line, Fue!, 11" (Cut To Suit)

 

394664

Piston

Assembly

 

.030" Oversize

I88

93535

Screw,

 

Sems

3/4"

 

26

391780

Ring

Set, Piston,

Standard

 

201

262767

Link, Governor

 

 

 

392331

Ring

Set, Piston,

Chrome, Standard

209

260871

Spring,

Governor

 

 

 

391781

Ring Set,

Piston

.0t0"

Oversize

216

262766

Link, Choke

 

 

 

 

391782

Ring Set,

Piston

.020" Oversize

219

4908t5

Oil Slinger,

Governor

Gear and

 

391783

Ring

Set, Piston

.030" Oversize

 

 

Bracket

Assembly

 

27

260924

LocK, Piston Pin

 

 

 

 

222

494887

Plate,

Governor

Control

28

299691

Pin Assembly,

Piston,

Standard

 

 

(Choke-A-Matic)

 

 

 

391286

Pin Assembly,

Piston

.005"

Over

224

94513

Screw,

 

Sam, Air Cleaner

29

490348

Rod Assembly,

Connecting

 

225

231058

Crank,

Governor,

1/4" Diameter

 

490469

Rod Assembly,

Connecting

 

227

493935

Lever

Assembly,

Governor

31

 

.020"

Undersize

Crankpin Bore

230

222450

Washer,

Govemo{ Crank, 1/4" I.D.

222299

Lock, Connecting

 

Rod Screw

232

262785

Spring,

Governor

Link

32

92909

Screw,

Connecting

Rod

 

240

394358

Filter,

Fuel

 

 

 

 

33

262246

Valve,

 

Exhaust

 

 

 

 

 

265

221535

Clamp,

Casing

 

 

34

262247

Valve,

Intake

 

 

 

 

 

284

944t9

Screw,

 

Clamp

Mounting

35

65906

Spring,

Intake Valve

 

 

284A 94326

Screw,

 

Air Cleaner

 

36

26828

Spring,

Exhaust

Valve

 

 

304

224504

Housing, Blower,

Red

37

223752

Guard,

Flywheel

 

 

 

 

305

946!9

Screw,

 

Seres,

Blower Housing

40

221596

Retainer,

Intake

Valve

 

 

 

 

Mounting

 

 

 

 

41

292260

Rotocoil,

Exhaust

Valve

 

306

224545

Shield,

Cylinder

 

 

42

93630

Retainer,

Exhaust

Valve RotoCoit

307

94623

Screw, Sems, Cylinder Shield Mtg.

45

262248

Tappet-Valve

 

 

 

 

 

308

491490

Cover,

Cylinder Head

46

212897

Gear, Cam

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51

281170

Gasket,

Carburetor

 

 

 

*

Included

in Gasket Set (494241)

 

 

52

270872

(Carburetor to Elbow)

 

 

**

Included

in Carburetor

Overhaul

Kit (494384)

Gasket,

Carburetor

 

 

 

***

included

in both Carburetor

Overhaul

Kit (494384)

53

94637

EIbow

to Cy{inder)

 

 

 

and Carburetor Gasket

Set (494386)

 

tud,

Carburetor

Mounting

 

 

 

 

 

 

 

 

 

 

75

224061

Washer,

Spring

 

 

 

 

NOTE: All component dimensions given

in U.S. inches

 

 

 

 

 

 

 

 

 

 

 

 

t inch = 25.4 mm

 

 

 

 

 

 

49

Page 48 Page 50
Image 49
Page 48 Page 50
Contents Owners Manual Model no Safe Operation Practices for RideOn Mowers IV. ServiceI1. Slope Operation ChildrenMawntenance Agreement RaND Engine Nantenance Accessories AN AttachmentsPerformance Contents of Hardwa Pack To Remove Unit from Carton Tools Required For AssemblyUnpack Carton Attach STEE!RJNG Wheel See FigNstall Seat See Fig Adjustmentlock Washer BoltCheck Tire Pressure Check Deck LevelnessCheckmst ASS LYNOW Your Tractor OperationTo Adjust Mower Cutting HIT l,,= Fig HOW to USE Your TractorTo SET Parking Brake See Fig To USE Throttle Control See FigBefore Starting the Engine OpefiatioTo Operate on Hills To TransportMowing Tips OperatioChart Maintenance ScheduleCustom Espo General RecommendationsBrake Operation TractorTires Blade CareTransaxle Cooung Transaxle Pump Fluud Level See Figs, t3Clsaning Custo E ResponsiMuffler Spark PlugsTo Removemower See Fig Ervice AN Adjustm TSTo Level Mower Housing Service AN AdjustmentsAdjustments Service ANTo Adjust Brake See Fig, ,!5 To Replace Mower Blade Drive BeltTo Adjust Motion Control Lever Service AN AdjustmentsConnector Forward AdjustmentFront Wheel TOE-IN/CAMBER To Start Engine WiTH a Weak BatteryTo Remove Wheel for Repairs See Fig To Attach Jumper CablesITO Replace Fuse See Fig ServiceTo Replace Headlight Bulb Final Setting To Adjust Carburetor See FigPreliminary Setting Acceleration TestEngine StorageFuel System Engine OILCorrection Problem CauseTrou Leshooti G Points Problem Cause CorrectionFuse 3OAMP Wiring Insulated Clips NON-REMOVABLE ConnectionsSolenoid Pedal UP CLUTCH/BRAKEWheels and Tires DecalsKEY Part Description NO. no KEYRepair Parts Standard Hardware -- Purchase Locally KEY PartRepair Parts Chassb and Enclosures 12.5 HP 38 Riding Lawn Tractor -MODEL Number 917,255590 KEY Part Description DrhveStandard Hardware Locally3543 2324 KEY Part 12.5 HP 38 Riding Lawn Tractor =.. Model Number 917,255590Description EQU1PM ENT Part Description KEYStandard Hardware - Purchase Locally 12.5 HP 38 Riding Lawn Tractor == Model Number 917,255590 KEY Part Description KEY Part NO. noKEY Part NO. no Description Seat Assem BLYSection Repair Parts Descrbption 12.5 HP 38 R DtNG Lawn Tractor = Model Number 9!7o255590Gasketset 837Special Tools Required to NSTALLo 125 13114Manufacturer KEY Number005 KEY Part DsscriptionPart NO. no Suggested Guide for SiGHTiNG Slopes for Safe Operation Automatic Hydrostatic MoweLAW Tractor Part Description
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