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Sears 917.257720 18 HP, LiFT ASSEMBLY, Tractor .. Model Number, 20 1918, Repair Parts, Key Part

Models: 917.257720

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18 HP 44"

REPAIR PARTS

18 HP 44"

LiFT ASSEMBLY

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TRACTOR .. MODEL NUMBER 917.257720

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KEY	PART
NO.	NO.	DESCRIPTION
1	!21006X	Rod Asm.,	Lever
2	137295	Shaft Asm.,	Lift Vgt
3	121002X	Lever Asm.,	Lift Rh
4	12000022	EoRing Truarc		#5133-87
5	19292016	Washer 29/32		x 1-1/4 x 16 Ga,

674780624 Bolt, Fin Hex 3/8-16 x 1-1/2

7125631X Grip, Handle Fluted

8122365X Button, Plunger


9	122364X	Plunger,			Lever	Lift
!0	2876H	Spring		2-1/8"
11	138020	Link Lift
12	3146R	Retainer,			Spring
13	139867	Retainer,			Spring
13	139867	Arm,	Suspension				Vgt
!4	140302	Bearing
15	73800600	Nut, Lock Hex WfWsh						3/8-16 Unc
16	674A247	Spring		Asm., Assist Lift
17	73350600	Nut, Hex Jam				3/8-16		Uno
18	5329J	Bracket			Spring	Assist
19	19131316	Washer			13/32	x 13/16 x 16 Ga.
20	5328J	Bolt,	Adjust Spring				Assist
21	74760616	Bolt,	Fin Hex 3/8-16					x 1
22	127218	Link,	Front
23	4939M	Retainer,			Spring

20 19"18 15

KEY PART

NO. NO.

DESCRIPTION

24	73350800	Nut, Jam Hex 1/2-13 Unc
25	130171	Trunnion
26	73800800	Nut, LockW/Wsh		!/2-13 Uric
27	12000037	Ring, Ktip #T5304-37
28	19151216	Washer	15/32x3/4x16Ga.
29	110810X	Trunnion	Dp Stop Dbl Thds Pit
30	1!0807X	Nut. Special
31	19131016	Washer	13/32x5/8x		16 Ga.
32	137150	Spring, Compression			Inf Hgt
33	76020308	Pin, Cotter 3/32		x !/2
34	137167	Rod, Adj	Lift
35	138057	Knob, Inf 3/8-16 Unc

3617490612 Screw, Thdrol 3/8-16 x 3/4

37120529X Washer, Nylon

38!23933X505 Pointer, Pnt Height Indicator

39123935X Plug, Hole

4074780516 Bolt, Fin Hex 5/16-1 8 x 1

4110040500 Washer, Lock Hvy HIcl Spr 5/16

4219112410 Washer 11i32xl-1/2x10Ga.

43123934X Scale, Indicator Height

NOTE: All component dimensions given in U.S. inches 1 inch = 25,4 mm

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Sears 917.257720 owner manual 18 HP, LiFT ASSEMBLY, Tractor .. Model Number, 20 1918, Repair Parts, Key Part

Contents

Service and Adjustments Repair Parts L NUMBER 917.257720 OWNERSMANUALCustomer Responsibilities Assembly OperationSafe Operation Practices for Ride-OnMowers SAFETY RULESLook for this symbol to point out impor SAFETY IS INVOLVEDCUSTOMER RESPONSNBILmTIES MAINTENANCE AGREEMENTPRODUCT SPECIFICATIONS LIMITED 90 DAY WARRANTY ON BATTERYSCHEDULE LE OF CONMAINTENANCE INDEXPERFORMANCE ESSORIES AND ATTAC ENTSMAINTENANCE ENGINEParts bag contents not shown full size CONTENTS ,OFE PACK Parts Bag contents shown full sizeUNPACK CARTON TOOLS REQUIRED FOR ASSEMBLYTO REMOVE TRACTOR FROM CARTON BEFORE ROLLING TRACTOR OFF SKIDINSTALL SEAT See Fig. HOW TO SET UP YOUR TRACTORASSEM LY PREPARE BATTERY See Fig,CHECK DECK LEVELNESS INSTALL MOWER AND DRIVE BELTCHECK FOR PROPER POSiTiON OF ALL BELTS v CHECKMST ASSEMBLYINSTALL BATTERY See Figs, 5 and KNOW YOUR TRACTOR ERATIONTO SET PARKING BRAKE See Fig. HOW TO USE YOUR TRACTOROPERATI TO ADJUST MOWER CUTTING HEIGHT See Fig.TO OPERATE MOWER See Figs. 7 and OP RATBEFORE STARTING THE ENGINE TO ADJUST GAUGE WHEELS See Fig.TO START ENGINE See Fig. OPERATmONMOWING TIPS ADD GASOUNEMAINTENANCE LUBRICATION CHARTCUSTOME RESPONSiBiLiTiES GENERAL RECOMMENDATIONSTIRES CUSTOME RESPO LITIESTRACTOR BRAKE OPERATIONBATTERY See Fig. CUSTOSl LITIES ENGmNECLEAN AmR SCREEN See Fig. CLEANINGCUSTOME PONSI ILITIESTO LEVEL MOWER HOUSING SERVICE ADJU NTSTRACTOR TO iNSTALL MOWERTO REPLACE MOWER DRIVE. BELT SERVICE AND AOJ STMENTSTO ADJUST ATTACHMENT CLUTCH See Fig. ADJUSTMENTSSE CE TO ADJUST BRAKE See Fig.TO REPLACE MOTION DRmVE BELT See Fig, SERVICE AND ADJUSTMENTSTO ADJUST STEERING WHEEL ALIGNMENT FRONT WHEEL TOE-INADJUSTMENTTO REMOVE WHEEL FOR REPAIRS SE CE AN A USTMENTScovE_ \ POSTVEI NETO ADJUST ATTACHMENT LiFT SPIRING See Fig. E CE AND ADJUSTMENTSSee Fig. TO ADJUST THROTTLE CONTROL CABLE See Fig. 38 & SERVICE AADJU ENTS ENGINETRACTOR STORAGEOTHER BATTERYSE ICE OTES TiOUBLESHOOTING PROBLEM TROULESH POINTSBLAO 18 HP 44 TRACTOR = MODEL NUMBER SCHEMATICSTARTER REDo--_aa X a /--O_L!IWHEELS & TIRES REPAIR PARTS18 HP 44 TRACTOR - - MODEL NUMBER DECALS22 23 18 HP 44 TRACTOR - MODEL NUMBERREPAIR PARTS ELECTRICALDESCRmPTION 18 HP 44 TRACTOR --MODELNUMBER 917,257720REPAIR PARTS ELECTRICALCHASSIS AND ENCLOSURES 18 HP 44 TRACTOR = MODEL NUMBERREPAIR PARTS CHASSIS AND ENCLOSURES REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER 37 38 GROUND DRIVEREPAIR PARTS 18 HP 44 TRACTOR - MODEL NUMBERPART REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER GROUND DRIVE27 19 18 HP 44 TRACTOR = MODEL NUMBER STEERING ASSEMBLYREPAIR PARTS 23 22KEY PART STEERING ASSEMBLYREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBER_ ,S REPA_ PA_T$8 HP 44!TRACTOR ENGIN,E • MODEL NUMBERPART 18 HP 44 TRACTOR = MODEL NUMBER ENGINEREPAIR PARTS KEY PART NO. NOREPAIR PARTS SEAT ASSEMBLY8--.._G__/= 18 HP 44 TRACTOR - MODEL NUMBER 917,25772020 1918 LiFT ASSEMBLY18 HP TRACTOR .. MODEL NUMBER483829 REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER 44 MOWER DECK44 MOWER DECK 1- ec, e, olo8 HP 44 TRACTOR .- MODEL NUMBER 9! 7,257720 REPAIR PARTS86_85 88___87 18 HP 44 TRACTOR MODEL NUMBERREPAIR PARTS TRANSAXLEPART REPAIR PARTS18 HP 44 TRACTOR = MODEL NUMBER TRANSAXLE18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSlilt I_+ -+ +++++KOHLER ENGINE = MODEL NUMBER MV18S 18 HP 44 TRACTOR=MODEL NUMBER REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER 917,257720 REPAIR PARTSKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER KEY PARTDESCRiPTiON 18 HP 44 TRACTOR = MODEL NUMBER 9!REPAIR PARTS KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBERREPAIR PARTS 18 HP 44 TRACTOR o MODEL NUMBERKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER DESCRiPTiON 18HP 44 TRACTOR .. MODEL NUMBERREPAIR PARTS KOHLER ENGINE MODEL NUMBER MV18S, TYPE NUMBERKOHLER ENGINE o MODEL NUMBER MV18S, TYPE NUMBER 18 HP 44 TRACTOR- MODEL ,NUMBER 917o257720\ s \ REPAIR PARTSPART REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER KOHLER ENGINE - MODEL NUMBER MVlSS, TYPE NUMBERKOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBER REPAIR PARTSL____T_____ 18 HP 44 TRACTOR - MODEL NUMBERKOHLER ENGINE - MODEL NUMBER MV18S_ TYPE NUMBER REPAIR PARTSLOW OIL PRESSURE SWITCH 18 HP 44 TRACTOR - MODEL NUMBERRViCE OTE Make greaterthan 15 , never across18.0HP IC ELECTRIC START 44 MOWER IF YOU NEED REPAIR SERVICE OR PARTSA AL MODEL NO.