Sears 917.257720 owner manual DESCRiPTiON

Page 37

REPAIR PARTS

18 HP 44" TRACTOR - MODEL NUMBER 917.257720

GROUND DRIVE

KEY	PART										KEY	PART
NO.	NO.	DESCRiPTiON									NO.	NO.	DESCRiPTiON
1	9858M1	Key, Woodruff									38	110895X	Nyliner
3	7563R	Washer,		Thrust			Axle				39	74321016	Screw, Fin. #10-24 x !
5	73680600	Nut,	Crownlock				3/8-16				40	5304J	Actuator,		Interlock		Switch
6	76020412	Pin, Cotter									41	73631000	Locknut		#10-24
7	135758	Wheel,		Hub Assembly							42	8883R	Cover,	Pedal
8	12000034	Klip,	Ring								43	74760412	Bolt, Hex		1/4-20 x 3/4
9	140080	Bolt,	Hub								44	104601X	Bracket,		Interlock
10	143046	Disc,	Brake								45	73800400	Locknut w/Insert				1/4-20
11	136927	Yoke, Brake				Disc					46	121358X	Retainer,		Spring
12	9204H	Locknut		1/2-20							47	138228	Clutch	Rod
13	139419	Washer,		Special							48	72110614	Bolt, Carriage			3/8-16 x 1-3/4 Gr. 5
14	38901	Bushing									49	19131413	Washer		13/32 x 7/8 x 13 Ga.
15	19131316	Wahser		13/32 x 13/16x						16 Ga.	50	131494	Pulley,	Idler,		Flat
16	143012	Set, Screw				1/4-28		× 3/4			51	73800600	Locknut, Hex 3/8-16
17	126909X	Spring									52	139123	Pulley,	Idler,		Grooved
18	137104	Lever, Brake									53	207J	Washer,		Hardened
!9	136926	Cam,	Brake			Disc					54	138390	Clutch, Arm Assembly
20	72140506	Bolt,	Carriage				5/18-18		x 3/4		55	105706X	Bearing,		Idler
21	23260412	Screw.		Flat Head				1/4-28		x 3/4	56	137153	WBelt
22	633A109	Gearshift,			Lever Assembly						57	105598X	Bracket, Shift Rod, Hi-Lo
23	106932X	Knob									58	73800500	Locknut.		Hex, with Insert			5/16-19
24	136925	Support,		Puck Brake							59	122253X	Shift Rod, Hi-Lo
25	136923	Puck. Brake Top									60	122268X	Spring	Clip, Connecting				Link
26	137552	Spring,		Return							61	137524	Pulley,	Transaxle
27	17490528	Screw, Hex Wsh Thd.							5/16-18 x 1-		62	10040700	Washer.		Lock 7/16
		3/4									63	74760720	Bolt, Fin Hex			7/16-14 x 1-1/4
28	73350600	Nut,	Hex Jam				3/8-16				64	137649	Shaft,	Clutch/Brake			Pedal
29	137213	Brake, Rod									65	67609	Bolt, Shoutder
30	19131614	Washer		13/32			x 1 x 14Ga.				66	140296	Washer,		Hardened
31	76020312	Pin, Cotter			3/32 x 3/4						67	19131312	Washer,		Flat
34	124236X	Cap,	Plunger								68	5!42H	Pin. Roll
35	137648	Rod,	Parking			Brake					69	136327	Hub, Cover
36	138364	Spring,		Extension
37	121749X	Washer		25/32 x 1-1/4 x 16 Ga.							NOTE: All component dimensions given in U.S. inches
											NOTE: All component dimensions given in U.S. inches
												1 inch = 25.4	mm

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Image 37

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 ScheduleEssories and Attac Ents Engine MaintenancePerformance 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 ErationOperati HOW to USE Your TractorTo Move Forward and Backward Before Starting the Engine OP RATTo Operate on Hills 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 ENGmNECustome CleaningPonsi Ilities To iNSTALL Mower Service Adju NTSTractor To Remove Mower See FigTo Replace Mower DRIVE. Belt Service and AOJ StmentsSE CE To Adjust Attachment Clutch See FigTo Replace Mower Blade Drive Belt To Adjust Steering Wheel Alignment Service and AdjustmentsFront Wheel TOE-IN Adjustment To Replace Motion DRmVE Belt See FigCovE \ SE CE AN a UstmentsTo Adjust Attachment LiFT Spiring See Fig CE and AdjustmentsTo Remove Hood and Grill Assembly To Adjust Throttle Control Cable See Service aTo Adjust Carburetor See Fig EngineOther StorageSE ICE Otes Cause ProblemCorrection Trou Lesh OTI Points ProblemCause Correction 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 KEY Part Chassis and EnclosuresDescraption 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 Baffles and Shroud Kohler Engine Model Number MV18S, Type NumberBreather and Vent 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 917o257720Flywheel KEY Partdescription NO. no Kohler Engine Model Number MVlSS, Type NumberGovernor Fuel Pump 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