Sears 917.257720 owner manual 18HP 44 Tractor .. Model Number, Cylinder Head

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REPAIR PARTS

18HP 44" TRACTOR .. MODEL NUMBER 917.257720

KOHLER ENGINE ° MODEL NUMBER MV18S, TYPE NUMBER 58560

CRANKSHAFT

KEY PART

NO. NO.

152 014 93

2 52 468 03

52 468 04

52 468 05

DESCRiPTiON

Crankshaft

Washer, Thrust .119/.122 (A.R.) Washer, Thrust .128/.131

Washer, Th rust .137/. 140 (A. R,)

ELECTRIC STARTER

KEY PARTDESCRIPTmON

NO, NO.

1	52 098	12	Starter Assembly
2	X-20-1		(Includes Key Numbers 4 thru 9)
2	X-20-1		Washer,	Lock 1/4 (2)
3	X-81-1		Nut, Hex	1/4-20 (2)
4	82 755	26	Kit, Drive
5	52 081	07	Cap, Drive End

DiPSTiCK

KEY PART

NO. NO.

1 52 038 14

2X-25-44

352 032 14

441 153 01

552 126 11

652 123 20

747 139 01

CYLINDER HEAD

KEY PART

NO, NO,

152 04.1 20

2 52 015 08

3 220534

4 41 086 02

DESCRiPTiON

Dipstick Assembly

Includes Key Numbers 2 and 3)

asher, Plain 5/16

Seal, Rubber

Q-Ring

Bracket, Oil Tube Support

Tube, Oil Fill 11-7/8

Plug, Hex, Countersunk

3/4 N.P.T.F.

DESCRiPTiON

Gasket, Head (2)

Cylinder Head (2) Washer. Plain 5/16 (18) Screw, Hex Head 5/16-18 x 1-1/2 (18)

6	52 170 05		Armature
7	52 211	01	Bolt,	Thru (2)
8	52 227	10	Cap, Commutator End
9	82 755	28	Kit,	Brush
NOT ILLUSTRATED
- -	25 450	03	Tag,	Caution

EXHAUST

KEY PARTDESCRiPTiON

NO. NO,

1	52	126 12		Bracket
2	X-25-72			Washer,	Plain (3)
3	52	086	11	Screw	1/4-20 x 5/8 (3)
4	52	041	14	Gasket,	Exhaust (2)

NOTE: All component dimensions given in U.S. inches 1 inch = 25.4 mm

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Contents Number 917.257720 Ownersmanual IL Slope Operation Safety is InvolvedProduct Specifications Maintenance AgreementLmMREDTWO Year Warranty on Electric Start Riding Equipment Limited 90 DAY Warranty on BatteryRepair Maintenance SchedulePerformance Engine MaintenanceEssories and Attac Ents Pack Contents ,OFTo Remove Tractor from Carton Tools Required for AssemblyBefore Rolling Tractor OFF Skid Unpack CartonAssem LY HOW to SET UP Your TractorCheck Tire Pressure Check Brake SystemCheck Deck Levelness Install Mower and Drive BeltCheck for Proper POSiTiON of ALL BeltsInstall Battery See Figs, 5 AssemblyKnow Your Tractor ErationTo Move Forward and Backward HOW to USE Your TractorOperati To Operate on Hills OP RATBefore Starting the Engine ADD Gasoune Mowing TipsTo Start Engine See Fig StartingMaintenance Schedule Lubrication ChartFill in Dates AS YOU Complete Regular Service Service Dates General RecommendationsCustome Respo Lities To Clean Battery and Terminals Battery See FigCusto ENGmNEPonsi Ilities CleaningCustome To iNSTALL Mower Service Adju NTSTractor To Remove Mower See FigTo Replace Mower DRIVE. Belt Service and AOJ StmentsTo Replace Mower Blade Drive Belt To Adjust Attachment Clutch See FigSE CE To Adjust Steering Wheel Alignment Service and AdjustmentsFront Wheel TOE-IN Adjustment To Replace Motion DRmVE Belt See FigCovE \ SE CE AN a UstmentsTo Remove Hood and Grill Assembly CE and AdjustmentsTo Adjust Attachment LiFT Spiring See Fig To Adjust Throttle Control Cable See Service aTo Adjust Carburetor See Fig EngineOther StorageSE ICE Otes Correction ProblemCause Cause Correction ProblemTrou Lesh OTI Points 18 HP 44 Tractor = Model Number SchematicWH,TEhi @ ClipsPart 18 HP 44 Tractor - Model NumberDescription KEYElectrical 18 HP 44 Tractor Model NumberPart 18 HP 44 Tractor --MODEL Number 917,257720Chassis and Enclosures Descraption Chassis and EnclosuresKEY Part Ground Drive DESCRiPTiON Steering Assembly NO. no KEY PartModel Number ENGIN,EKEY Part NO. no 18 HP 44 Tractor Model Number 917,257720 Seat AssemblyTractor .. Model Number 18 HP20 1918 NO. no DescriptionMower Deck KEY Part NO. no HP 44 Tractor .- Model Number 9! 7,2577208887 TransaxleTransaxle Breather and Vent Kohler Engine Model Number MV18S, Type NumberBaffles and Shroud Kohler Engine = Model Number MV18S 18 HP 44 TractorType Number KEY Part Description18 HP 44 Tractor Model Number 917,257720 Kohler Engine = Model Number MV18S, Type Number 18 HP 44 Tractor = Model Number 9Crankcase Carburetor KEY Part NO. no18 HP 44 Tractor o Model Number Cylinder Head 18HP 44 Tractor .. Model NumberKohler Engine o Model Number MV18S, Type Number 18 HP 44 TRACTOR- Model ,NUMBER 917o257720Governor Fuel Pump KEY Partdescription NO. no Kohler Engine Model Number MVlSS, Type NumberFlywheel KEY Partdescription NO. no Camshaft and Valves Kohler Engine Model Number MV18S Type Number LOW OIL Pressure SwitchPiston & ROD Camshaft & ValvesRViCE OTE Not Across HiLL Only Ride UP and Down HillRepair When Ordering Repair PARTS, Always GivePRODUCT- Tractor ,MODEL Number Part Description