Manuals / Sears / Lawn and Garden / Lawn Mower

Sears 917.257720 owner manual Repair Parts, 18 HP 44 TRACTOR = MODEL NUMBER, Transaxle

Models: 917.257720

1 60

Download 60 pages 32.16 Kb

Page 47

TRANSAXLE

REPAIR PARTS

18 HP 44" TRACTOR = MODEL NUMBER 917.257720

TRANSAXLE

	KEY	PART
	NO,	NO.	DESCRiPTiON
	1	4197R	Axle Shaft
	2	12000034	Retaining				Ring
	3	4199R	Final		Drive Gear
	4	4216R	Differential				Gear
	5	4215R	Differential				Pinion
	6	4217R	Differential				Carrier
	7	6256H	Axle Thrust Washer
	8	74020652	Bolt, Hex Head						3/8-24 x 3-1/4
	9	7392M	(1" Thread				Length)
			Steel		Ball
	10	137261	Spring			Shift Fork				Detent
	11	4985R	Shift Fork. High-Low Range
	12	6266H
			Thrust			Bearing			Race
	13	4212R	4th Reduction						Pinion
	14	137125	Shaft,			Brake
	!5	6276H	Snap		Ring, Crescent						Type
	16	633A63	High-Low				Range Gears
	17	8118M	Needle			Bearing
	18	8740H1	Sintered iron					Bearing
	19	122238X	Shift		Fork Shaft, High-Low Range
	20	4218R	Differential				Pinion			Spacer
	21	6252H1	Differential				Pinion			Bushing
	22	7810H
			Gripco Centerlock Nut 3/8-24
	23	6262H	Shift		Fork,		R.H.
	24	7393R	Oil Sea!
	25	992R1	Sintered Iron Bearing
	26	139111	Shift		Fork		Shaft
	27	4986R	Shift		Fork,		L.H.
	28	122254X	Shift Shaft, High-Low								Range
	29	6269H	Oil Seal
	30	5855H	Pressure Relief						Valve
	31	139538	Gearcase,				Reverse				Idler Shaft and
			Bearings, R.H. (includes Key No.'s
	32	6277H	17,18, 25, 33, 50, 63, 77 and 82)
			Dowel			Pin
	33	4225R	Needle			Bearing
	34	7396H	Thrust			Bearing			Race
	35	4198R	4th	Reduction				Gear			Shaft
	36	4200R	4th	Reduction				Gear			Spacer
	37	7395H	Thrust			Bearing			Race
	39	139536	Gearcase				and		Bearings, L.H.

			(Includes Key Numbers 18, 25, 49,
	4O	13320400	50 (2), 51 and 52)
			Pipe Plug 1/2-14 N.P.T.
	41	17580520
			Bolt, Hex				5/16-18			UNC x 1-1/4
	45	6271H	Oil Seal
	46	13060200	Pipe		Plug		1/4-18			N.P.T.
	49	4895H	Needle			Bearing
	50	4222R	Needle			Bearing
	51	1529R	Needle			Bearing

KEY	PART
NO.	NO.	DESCRiPTiON
52	8119M	Needle	Bearing
53	4220R	Needle	Bearing
53	4220R	Thrust Bearing			Race
54	4209R	3rd Reduction			Pinion, Low
55	4213R	4th Reduction			Gear
56	4442R	3rd Reduction			Pinion Spacer
57	4195R	2nd Reduction			Gear		Shaft
58	42t4R	Fina! Drive		Pinion
59	4194R	1st Reduction			Gear		Shaft
60	7528R	1st Reduction			Shaft		Spacer
61	4208R	3rd Reduction			Pinion Hlgh
62	4207R	2nd Reduction			Gear
63	7398H	Needle Bearing
64	4203R	Low Speed		Gear and 2nd
		Reduction Pinion				Cluster
65	4204R	Reverse	Gear
66	2898J	Key, Hi-Pro		!/8		x 17/32
67	12000033	Klip Ring
68	4205R	Intermediate		Speed			Gear
69	4206R	High Speed		Gear
70	1370H	Thrust Bearing			Race
71	633A69	Intermediate		and		High Speed
72	139120	Cluster Pinions
72	139120	Input Shaft
73	4201R	Low Speed		Pinion
74	12000008	E-Ring
75	1153R	Reverse	Idler Gear
77	6803J	Needle Bearing
79	1167R	Sealing	Washer
80	73360700	Nut, Hex, ,Jam 7/16-20
81	6270H	Oil Seal
82	136984	Reverse	Idler Shaft
84	5384J	Gearshift	Lever,			Bent
85	2978J	Gearshift	Cap
86	633A85	Gearshift	Ball Cover				and Pin
87	8739H!	Shift Lever Guide Ball, Keyed
88	4924H	Spring

8919151516 Washer 15/32 x 15/16 x 16 Gauge

90110542X Shift Mechanism Seat

91	19181511	Washer	9/16 x !5/16 x 12 Gauge
92	75J	Gearshift	Gate	and Reinforcement
93	6274H	Shift Ball	Cover	Gasket
94	76020412	Cotter Pin 1/8 x 3/4
95	10040500	Washer,	Lock	5/16
96	74760514	Bolt, Hex	Head	5/16-18 UNC x 7/8
97	633A109	Gearshift	Lever	Assembly
98	139535	Transaxle	Assembly

(Less Brake Drum and Shift Lever)

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

47

Image 47

Sears 917.257720 owner manual Repair Parts, 18 HP 44 TRACTOR = MODEL NUMBER, Transaxle

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 FOR PROPER POSiTiON OF ALL BELTS INSTALL MOWER AND DRIVE BELTCHECK DECK LEVELNESS INSTALL BATTERY See Figs, 5 and ASSEMBLYv CHECKMST 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 NESee Fig. E CE AND ADJUSTMENTSTO ADJUST ATTACHMENT LiFT SPIRING See 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 ELECTRICALREPAIR PARTS 18 HP 44 TRACTOR = MODEL NUMBERCHASSIS AND ENCLOSURES 18 HP 44 TRACTOR - MODEL NUMBER REPAIR PARTSCHASSIS AND ENCLOSURES 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 PARTSKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER REPAIR PARTS18 HP 44 TRACTOR - MODEL NUMBER 917,257720 KEY PARTDESCRiPTiON 18 HP 44 TRACTOR = MODEL NUMBER 9!REPAIR PARTS KOHLER ENGINE = MODEL NUMBER MV18S, TYPE NUMBERKOHLER ENGINE - MODEL NUMBER MV18S, TYPE NUMBER 18 HP 44 TRACTOR o MODEL NUMBERREPAIR PARTS 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.