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Sears 917.257720 Repair Parts, 18 HP 44 TRACTOR - MODEL NUMBER, Key Part, Piston & Rod, Pump

Models: 917.257720

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KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBER 58560

REPAIR PARTS

18 HP 44" TRACTOR - MODEL NUMBER 917.257720

KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBER 58560

OIL PAN

KEY PART

NO. NO.

1X-67-64

252 050 03

352 199 14

4 X-702-14

5 52 054 07

6 X-75-38

7X-75o10

852 086 12

952 032 10

OiL FILTER

KEY PART

NO. NO.

152 050 02

282 755 23

3X_55-15

4X-75-23

552 041 16

PISTON & ROD

KEY PART

NO. NO.

152 067 67

52 067 68

252 874 11

52 874 12

52 874 !3

52 874 !4

52 874 15

3230004

452 108 09

DESCRIPTION

Screw, Hex Washer Head #10-32 x 7/16 (2)

Filter, Oil Pickup

Oil Pan (Includes Key #4 thru 6)

Plug, Cup 1-1/16 Elbow, Street

Plug, Hex, Countersunk 1/4 N.P.T.F.

Plug, Square Head 3/8 N,P.T.F. (2) Screw, Hex Washer Head

5/16-18 x 1-1/4 (9) Seal, Oil, Rear

DESCRIPTION

OIl Filter

Kit, Oil Filter Adaptor

(Includes Key Numbers 3 thru 5) Screw, Hex Socket Head

5/16-18 x !-1/4 (2)

Plug, Hex, Countersunk t/8 NP.T.F.

Gasket, Oil Filter

DESCRIPTION

Connecting Rod, Standard (2) Connecting Rod ,010" (2)

Piston with Ring Set, Standard (2) Piston with Ring Set .003" (2) Piston with Ring Set .010" (2) Piston with Ring Set .020" (2) Piston with Ring Set .030" (2) Retainer, Piston Pin (4)

Ring Set, Standard and .003" (2)

52 108 10 Ring Set o010" (2)

52 108 11 Ring Set .020" (2)

52 108 12 Ring Set .030" (2)

LOW OIL PRESSURE SWITCH

KEY PARTDESCRIPTION

NO. NO.

1 X-75o23

Plug, Pipe 1/8 N.P.T.F.

CAMSHAFT & VALVES

KEY PARTDESCRIPTION

NO, NO.

1	52	012	09	Camshaft
2	52	019	03	Tappet (4)

341 755 10 Kit, Retainer (4)

452 413 01 Rotator, Exhaust Valve (2)

5	25	089	01	Spring,	Valve (4)
6	52	016	05	Valve,	Exhaust (2)
7	52	0!7	08	Valve,	Intake (2)
8	52	032	13	Seal, Intake Valve Stem (2)
9	230011			Retainer, intake Valve (2)
OiL	PUMP
KEY	PART			DESCRIPTION
NO.	NO.

1 X-280-25 Pin, Roll

252 144 05 Shaft, Oil Pump

352 422 01 Spacer, Shim

4	52 043	05	(As Required, Maximum of 2)
4	52 043	05	Gear,	Oil Pump
5	52 393	09	Rotor Set
6	52 096	03	Cover,	Oil Pump
7	X-67-64		Screw, Hex Washer Head
			#10-32	x 7/16 (4)
NOT ILLUSTRATED
- -	82 522	30	Short	Block
- _	52 755 94		Gasket Set

RPM Settings: Low Speed: 1150-1650

High Speed: 3200-3400

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

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Image 57

Sears 917.257720 Repair Parts, 18 HP 44 TRACTOR - MODEL NUMBER, KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBER, Key Part

Contents

Customer Responsibilities L NUMBER 917.257720 OWNERSMANUALAssembly Operation Service and Adjustments Repair PartsLook for this symbol to point out impor SAFETY RULESSAFETY IS INVOLVED Safe Operation Practices for Ride-OnMowersPRODUCT SPECIFICATIONS MAINTENANCE AGREEMENTLIMITED 90 DAY WARRANTY ON BATTERY CUSTOMER RESPONSNBILmTIESMAINTENANCE LE OF CONINDEX SCHEDULEMAINTENANCE ESSORIES AND ATTAC ENTSENGINE PERFORMANCEE PACK CONTENTS ,OFParts Bag contents shown full size Parts bag contents not shown full sizeTO REMOVE TRACTOR FROM CARTON TOOLS REQUIRED FOR ASSEMBLYBEFORE ROLLING TRACTOR OFF SKID UNPACK CARTONASSEM LY HOW TO SET UP YOUR TRACTORPREPARE BATTERY See Fig, INSTALL SEAT See Fig.INSTALL MOWER AND DRIVE BELT CHECK DECK LEVELNESSCHECK FOR PROPER POSiTiON OF ALL BELTS ASSEMBLY v CHECKMSTINSTALL BATTERY See Figs, 5 and KNOW YOUR TRACTOR ERATIONOPERATI HOW TO USE YOUR TRACTORTO ADJUST MOWER CUTTING HEIGHT See Fig. TO SET PARKING BRAKE See Fig.BEFORE STARTING THE ENGINE OP RATTO ADJUST GAUGE WHEELS See Fig. TO OPERATE MOWER See Figs. 7 andMOWING TIPS OPERATmONADD GASOUNE TO START ENGINE See Fig.CUSTOME RESPONSiBiLiTiES LUBRICATION CHARTGENERAL RECOMMENDATIONS MAINTENANCETRACTOR CUSTOME RESPO LITIESBRAKE OPERATION TIRESSl LITIES CUSTOENGmNE BATTERY See Fig.CUSTOME CLEANINGPONSI ILITIES CLEAN AmR SCREEN See Fig.TRACTOR SERVICE ADJU NTSTO iNSTALL MOWER TO LEVEL MOWER HOUSINGTO REPLACE MOWER DRIVE. BELT SERVICE AND AOJ STMENTSSE CE ADJUSTMENTSTO ADJUST BRAKE See Fig. TO ADJUST ATTACHMENT CLUTCH See Fig.TO ADJUST STEERING WHEEL ALIGNMENT SERVICE AND ADJUSTMENTSFRONT WHEEL TOE-INADJUSTMENT TO REPLACE MOTION DRmVE BELT See Fig,covE_ \ SE CE AN A USTMENTSPOSTVEI NE TO REMOVE WHEEL FOR REPAIRSE CE AND ADJUSTMENTS TO ADJUST ATTACHMENT LiFT SPIRING See Fig.See Fig. ADJU ENTS SERVICE AENGINE TO ADJUST THROTTLE CONTROL CABLE See Fig. 38 &OTHER STORAGEBATTERY TRACTORSE ICE OTES TiOUBLESHOOTING LESH TROUPOINTS PROBLEMSTARTER 18 HP 44 TRACTOR = MODEL NUMBER SCHEMATICREDo--_aa X a /--O_L!I BLAO18 HP 44 TRACTOR - - MODEL NUMBER REPAIR PARTSDECALS WHEELS & TIRESREPAIR PARTS 18 HP 44 TRACTOR - MODEL NUMBERELECTRICAL 22 23REPAIR PARTS 18 HP 44 TRACTOR --MODELNUMBER 917,257720ELECTRICAL DESCRmPTION18 HP 44 TRACTOR = MODEL NUMBER CHASSIS AND ENCLOSURESREPAIR PARTS REPAIR PARTS CHASSIS AND ENCLOSURES18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTS GROUND DRIVE18 HP 44 TRACTOR - MODEL NUMBER 37 3818 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSGROUND DRIVE PARTREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER STEERING ASSEMBLY23 22 27 19REPAIR PARTS STEERING ASSEMBLY18 HP 44 TRACTOR = MODEL NUMBER KEY PART8 HP 44!TRACTOR REPA_ PA_T$ENGIN,E • MODEL NUMBER _ ,SREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER ENGINEKEY PART NO. NO PART8--.._G__/= SEAT ASSEMBLY18 HP 44 TRACTOR - MODEL NUMBER 917,257720 REPAIR PARTS18 HP LiFT ASSEMBLYTRACTOR .. MODEL NUMBER 20 191818 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTS44 MOWER DECK 4838298 HP 44 TRACTOR .- MODEL NUMBER 9! 7,257720 1- ec, e, oloREPAIR PARTS 44 MOWER DECKREPAIR PARTS 18 HP 44 TRACTOR MODEL NUMBERTRANSAXLE 86_85 88___8718 HP 44 TRACTOR = MODEL NUMBER REPAIR PARTSTRANSAXLE PARTlilt I_+ -+ REPAIR PARTS+++++ 18 HP 44 TRACTOR - MODEL NUMBER=MODEL NUMBER 18 HP 44 TRACTORREPAIR PARTS KOHLER ENGINE = MODEL NUMBER MV18SREPAIR PARTS 18 HP 44 TRACTOR - MODEL NUMBER 917,257720KOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER REPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER 9!KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBER KEY PARTDESCRiPTiON18 HP 44 TRACTOR o MODEL NUMBER REPAIR PARTSKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER REPAIR PARTS 18HP 44 TRACTOR .. MODEL NUMBERKOHLER ENGINE MODEL NUMBER MV18S, TYPE NUMBER DESCRiPTiON\ s \ 18 HP 44 TRACTOR- MODEL ,NUMBER 917o257720REPAIR PARTS KOHLER ENGINE o MODEL NUMBER MV18S, TYPE NUMBER18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSKOHLER ENGINE - MODEL NUMBER MVlSS, TYPE NUMBER PARTL____T_____ REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBERLOW OIL PRESSURE SWITCH REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER KOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBERRViCE OTE than 15 , never greateracross MakeA AL IF YOU NEED REPAIR SERVICE OR PARTSMODEL NO. 18.0HP IC ELECTRIC START 44 MOWER