Manuals / Sears / Lawn and Garden / Lawn Mower

Sears 917.25271 Service, Adjustm, c u c.,NG-iT li, TO REPLACE MOTION DRIVE BELT See Fig

Models: 917.25271

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SERVICE

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	SERVICE		AND
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TO REPLACE MOTION DRIVE BELT (See Fig. 28)

Park the tractor on level surface. Engage parking brake.

For assistance, there is a belt installation guide decal on bottom side of left footrest.

•Remove mower (See '30 REMOVE MOWER" in this section of this manual.)

•Remove upper belt keeper.

•Remove belt from stationary idler and clutching idler.

•Pull belt slack toward rear of tractor. Carefully remove belt upwards from transmission input pulley and over cooling fan blades.

•Pull belt toward front of tractor and remove downward from around engine pulley.

•Install new belt by reversing above procedure.

IMPORTANT: MAKE SURE UPPER BELT KEEPER IS

POSITIONED PROPERLY BETWEEN LOCATOR TABS.

ENGINE----..,_I

,_ LOCATOR

TABS

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ADJUSTM	NTS
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TO ADJUST MOTION CONTROL LEVER (See Fig. 29)

The motion control lever has been preset at the factory and adjustment should not be necessary.

If for any reason the motion control lever will not hold its position while at a selected speed, it may be adjusted atthe friction pack located on the right side of transmission.

•Park tractor on level surface. Stop tractor by turning ignition key to "OFF" position, and engage parking brake.

•Adjust motion control lever by tightening adjustment Iocknut one half (1/2) turn.

NOTE: If for any reason the effort to move the motion control lever becomes too excessive, reverse the above adjustment procedure by loosening Iocknut 1/4 to 1/2 turn.

Road test tractor after adjustment and repeat procedure if necessary.

,c u c.,NG-iT-

li (

_" UPPER BELT

KEEPER

\

ADJUSTMENT

LOCKNUT

FIG. 29

TRANSMISSION REMOVAL/REPLACEMENT

Should your transmission require removal for service or replacement, it should be purged after reinstallation and

FIG. 28before operating the tractor. See "PURGE TRANSMIS- SION" in Operation section of this manual.

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Sears 917.25271 Service, Adjustm, c u c.,NG-iT li, TO REPLACE MOTION DRIVE BELT See Fig, Transmission Removal/Replacement

Contents

MODEL NUMBER 917.252710 OWNERS MANUAL •Assembly •Operation •Customer Responsibilities•Service and Adjustments •Repair Parts transporting, adjusting or making repairs SAFETY RULESSAFETY IS INVOLVED accidental starting when setting upCUSTOMER RESPONSIBILITIES MAINTENANCE AGREEMENTPRODUCT SPECIFICATIONS LIMITED 90 DAY WARRANTY ON BATTERYWARRANTY CONTENTSSAFETY RULES SPECIFICATIONSENGINE ACCESSORIESMAINTENANCE AND ATTACHMENTSHARDWARE PACK CONTENTS OFParts Bag contents shown full size Parts bag contents not shown full sizeBEFORE ROLLING TRACTOR OFF SKID TOOLS REQUIRED FOR ASSEMBLYASSEM BLY TO REMOVE TRACTOR FROM CARTONINSTALL SEAT See Fig. ASSEMBLYHOW TO SET UP YOUR TRACTOR PREPARE BATTERY See Figs. 2A and 2BCHECK DECK LEVELNESS INSTALL BATTERY See Figs. 4 andCAUTION: Do not short battery termi CHECK TIRE PRESSURETO CONVERT TO BAGGING OR DISCHARGING CHECKLISTINSTALL MULCHER PLATE See Figs. 7A & 7B guard when attaching mulcher plateKNOW YOUR TRACTOR LIGHT SWITCH: Turns the headlights on and offCHOKE CONTROL: Used when starting a cold engine OPERATIONTO SET PARKING BRAKE See Fig. HOW TO USE YOUR TRACTORTO ADJUST MOWER CUTTING HEIGHT See Fig. See Fig.TO TRANSPORT See Figs. 8 and BEFORE STARTING THE ENGINEPUSHINTO _\ TO OPERATE MOWER See Fig.TO START ENGINE See Fig. fii AcAuieverenIioiiii.OPERATION ADD GASOLINEFIG. MOWING TIPSMULCHING MOWING TIPS OPERATIONCUSTOMER CHARTSE.V.C O TESTRACTOR BATTERY See Fig.CUSTOMER RESPONSIBILITIES GRADE8TRANSAXLE PUMP FLUID CLEAN AIR SCREEN See Fig.ENGINE TRANSAXLE COOLINGSPARK PLUGS CLEANINGENGINE OIL FILTER MUFFLERPlace motion control lever in neutral N position SERVICE AND ADJUSTMENTSTO INSTALL MOWER See Fig. TO REMOVE MOWER See Fig.FIG. BOTH FRONT LINKS MUST BE EQUAL IN LENGTH AND ADJUSTMENTSSERVICE TO LEVEL MOWER HOUSINGTO REPLACE MOWER BLADE DRIVE BELT See Fig. SERVICE ANDADJUSTMENTS TO ADJUST BRAKE See Fig.TRANSMISSION REMOVAL/REPLACEMENT SERVICEADJUSTM TO ADJUST MOTION CONTROL LEVER See Fig.FRONT WHEEL TOE-IN/CAMBER SERVICE AND ADJUSTMENTSTO ADJUST STEERING WHEEL ALIGNMENT TO START ENGINE WITH A WEAK BATTERY See Fig.INTERLOCKS AND RELAYS TO REMOVE HOOD AND GRILL ASSEMBLY See Fig.•Raise hood •Unsnap headlight wire connector TO REPLACE HEADLIGHT BULBTO ADJUST CARBURETOR See Fig. SERVICE ANDADJUSTMENTS TO ADJUST THROTTLE CONTROL CABLE See Fig. 33 &FUEL SYSTEM BATTERYSTORAGE OTHERCORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSECORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSESERVICE NOTES NOTE IF WIRING INSULATED CLIPS WERE REMOVED FOR SCHEMATICSWITCH WIRING INSULATED CLIPS42 24 REPAIR PARTSTRACTOR -- MODEL NUMBER ELECTRICALELECTRICAL TRACTOR --MODEL NUMBERKEY PART NO. NO.DESCRIPTION REPAIR PARTSTRACTOR - - MODEL NUMBER CHASSIS AND ENCLOSURESREPAIR PARTS TRACTOR - - MODEL NUMBER PARTDESCRIPTION REPAIR PARTSTRACTOR - - MODEL NUMBER DRIVEREPAIR PARTS DRIVE REPAIR PARTSKEY PART NO. NO TRACTOR - - MODEL NUMBERTRACTOR - - MODEL NUMBER STEERING ASSEMBLYREPAIR PARTS Nut, Hex, Fin. 3/8-24UNF Spindle Assembly, RHWasher 27/32 x 1-1/4x 16 Gauge Ring, Klip Bearing Link, Drag Washer, Lock7 35 1 38 14 130 2581 26 17 Spark ArresterOPTIONAL EQUIPMENT 43 4218ENGINE 8122439XREPAIR PARTS TRACTOR - - MODEL NUMBERTRACTOR --MODEL NUMBER SEAT ASSEMBLY_.--.-- REPAIR PARTSREPAIR PARTS DECALSWHEELS & TIRES Tire161718 2_ MOWER LIFT 28 26 23 7 8 41 37 38 404 6 6 4 12 13 19PART MOWER LIFTREPAIR PARTS TRACTOR -- MODEL NUMBER\ _J TRACTOR -- MODEL NUMBERMOWER DECK 75 74 73MOWER DECK 1 inch =REPAIR PARTS TRACTOR - - MODEL NUMBER58 90 53 52 40 68 3 6_ 69 62 14 4 3 24 36 HYDRO GEAR TRANSAXLE - MODEL NUMBERREPAIR PARTS TRACTOR - - MODEL NUMBERDESCRIPTION REPAIR PARTSPART PART17/_ _L,_ A,D,,_RUD,,IBREATHER AND VENT J 18 j13 €++14AIR INTAKE REPAIR PARTSTRACTOR -- MODEL NUMBER TRACTOR -- MODEL NUMBER CARBU RETOR J_34 _ 35 _--- REPAIR PARTSTRACTOR - - MODEL NUMBER REPAIR PARTSELECTRIC STARTER o-,IDIPSTICK CRANKSHAFTTRACTOR - - MODEL NUMBER Screw 1/4-20 x 5/8Gasket, Exhaust REPAIR PARTSSERVICE NOTES SERVICE NOTES SERVICE NOTES 15 MAX SIGHTING GUIDEONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE18 HP TWIN CYLINDER ELECTRIC START IF YOU NEED REPAIR SERVICE OR PARTSOWNERS MANUAL MODEL NO.MODEL NUMBER 917.252710 OWNERS MANUAL •Assembly •Operation •Customer Responsibilities•Service and Adjustments •Repair Parts transporting, adjusting or making repairs SAFETY RULESSAFETY IS INVOLVED accidental starting when setting upCUSTOMER RESPONSIBILITIES MAINTENANCE AGREEMENTPRODUCT SPECIFICATIONS LIMITED 90 DAY WARRANTY ON BATTERYWARRANTY CONTENTSSAFETY RULES SPECIFICATIONSENGINE ACCESSORIESMAINTENANCE AND ATTACHMENTSHARDWARE PACK CONTENTS OFParts Bag contents shown full size Parts bag contents not shown full sizeBEFORE ROLLING TRACTOR OFF SKID TOOLS REQUIRED FOR ASSEMBLYASSEM BLY TO REMOVE TRACTOR FROM CARTONINSTALL SEAT See Fig. ASSEMBLYHOW TO SET UP YOUR TRACTOR PREPARE BATTERY See Figs. 2A and 2BCHECK TIRE PRESSURE ASSEMBLYINSTALL BATTERY See Figs. 4 and CAUTION: Do not short battery termiguard when attaching mulcher plate ASSEMBLYCHECKLIST INSTALL MULCHER PLATE See Figs. 7A & 7BKNOW YOUR TRACTOR LIGHT SWITCH: Turns the headlights on and offCHOKE CONTROL: Used when starting a cold engine OPERATIONTO SET PARKING BRAKE See Fig. HOW TO USE YOUR TRACTORTO ADJUST MOWER CUTTING HEIGHT See Fig. See FigTO TRANSPORT See Figs. 8 and BEFORE STARTING THE ENGINEPUSHINTO _\ TO OPERATE MOWER See Fig.TO START ENGINE See Fig. fii AcAuieverenIioiiii.OPERATION ADD GASOLINEFIG. OPERATIONMOWING TIPS MULCHING MOWING TIPSCUSTOMER CHARTSE.V.C O TESTRACTOR BATTERY See Fig.CUSTOMER RESPONSIBILITIES GRADE8TRANSAXLE COOLING CLEAN AIR SCREEN See Fig.CUSTOMER RESPONSIBILITIES ENGINEMUFFLER CLEANINGCUSTOMER RESPONSIBILITIES ENGINE OIL FILTERPlace motion control lever in neutral N position SERVICE AND ADJUSTMENTSTO INSTALL MOWER See Fig. TO REMOVE MOWER See Fig.FIG. AND ADJUSTMENTSSERVICE TO LEVEL MOWER HOUSINGTO REPLACE MOWER BLADE DRIVE BELT See Fig. SERVICE ANDADJUSTMENTS TO ADJUST BRAKE See Fig.TRANSMISSION REMOVAL/REPLACEMENT SERVICEADJUSTM TO ADJUST MOTION CONTROL LEVER See FigSee Fig. SERVICE AND ADJUSTMENTSTO ADJUST STEERING WHEEL ALIGNMENT TO START ENGINE WITH A WEAK BATTERY See Fig.•Raise hood •Unsnap headlight wire connector SERVICE ANDADJUSTMENTS TO REMOVE HOOD AND GRILL ASSEMBLY See Fig.TO ADJUST CARBURETOR See Fig. SERVICE ANDADJUSTMENTS TO ADJUST THROTTLE CONTROL CABLE See Fig. 33 &ENGINE BATTERYSTORAGE TRACTORCORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSECORRECTION TROUBLESHOOTING POINTSPROBLEM CAUSESERVICE NOTES NOTE IF WIRING INSULATED CLIPS WERE REMOVED FOR SCHEMATICSWITCH WIRING INSULATED CLIPS42 24 REPAIR PARTSTRACTOR -- MODEL NUMBER ELECTRICALKEY PART NO. NO.DESCRIPTION REPAIR PARTSTRACTOR --MODEL NUMBER ELECTRICALCHASSIS AND ENCLOSURES REPAIR PARTSTRACTOR - - MODEL NUMBER PART REPAIR PARTSTRACTOR - - MODEL NUMBER CHASSIS AND ENCLOSURESDRIVE REPAIR PARTSTRACTOR - - MODEL NUMBER KEY PART NO. NO REPAIR PARTSTRACTOR - - MODEL NUMBER DRIVE_--2__2222 REPAIR PARTSSTEERING ASSEMBLY TRACTOR - - MODEL NUMBERTRACTOR --MODEL NUMBER REPAIR PARTSSTEERING ASSEMBLY Spindle Assembly, RHOPTIONAL EQUIPMENT REPAIR PARTSTRACTOR - - MODEL NUMBER Spark ArresterKEY PART NO. NO REPAIR PARTSTRACTOR - - MODEL NUMBER ENGINE_.--.-- REPAIR PARTSSEAT ASSEMBLY TRACTOR --MODEL NUMBERWHEELS & TIRES REPAIR PARTSTRACTOR -- MODEL NUMBER DECALS4 6 6 REPAIR PARTSTRACTOR - - MODEL NUMBER MOWER LIFT 28 26 23 7 8 41 37 38 40PART REPAIR PARTSTRACTOR -- MODEL NUMBER MOWER LIFT75 74 73 REPAIR PARTSTRACTOR -- MODEL NUMBER MOWER DECKKEY PART NO. NO REPAIR PARTSTRACTOR - - MODEL NUMBER MOWER DECKHYDRO GEAR TRANSAXLE - MODEL NUMBER REPAIR PARTSTRACTOR - - MODEL NUMBER DESCRIPTION REPAIR PARTSPART PARTBREATHER AND VENT J 10 REPAIR PARTS_L,_ A,D,,_RUD,,I TRACTOR --MODEL NUMBERTRACTOR -- MODEL NUMBER REPAIR PARTS_34 _ 35 _--- REPAIR PARTSTRACTOR -- MODEL NUMBER CARBU RETOR JTRACTOR - - MODEL NUMBER REPAIR PARTSDIPSTICK REPAIR PARTSo-,I TRACTOR --MODEL NUMBERGasket, Exhaust REPAIR PARTSTRACTOR - - MODEL NUMBER Screw 1/4-20 x 5/8SERVICE NOTES SERVICE NOTES SERVICE NOTES 15 MAX SIGHTING GUIDEONLY RIDE UP AND DOWN HILL, NOT ACROSS HILL SIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE3 in One Convertible 42 MOWER IF YOU NEED REPAIR SERVICE OR PARTSMODEL NO. 18 HP TWIN CYLINDER ELECTRIC START