Manuals / Sears / Lawn and Garden / Lawn Mower

Sears 917.25271 Service And Adjustments, TO REMOVE MOWER See Fig, TO INSTALL MOWER See Fig

Models: 917.25271

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SERVICE AND ADJUSTMENTS

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CAUTION: BEFORE PERFORMING ANY SERVICE OR ADJUSTMENTS:

Place motion control lever in neutral (N) position.

iDepressPlace attachmentclutch/brakeclutchpedalin fully"DISENGAGED"and set parkingpositionbrake. . Turn ignition key "OFF" and remove key.

•Make sure the blades and all moving parts have completely stopped.

•Disconnect spark plug wire from spark plug and place wire where it cannot come in contact with plug.

TO REMOVE MOWER (See Fig. 21)

Mower will be easier to remove from the right side of tractor.

•Place attachment clutch switch in "DISENGAGED" position.

•Move attachment lift lever forward to lower mower to its lowest position.

•Roll belt off electric clutch pulley.

•Disconnect anti-sway bar from chassis bracket by removing retainer spring.

•Disconnect suspension arms from rear deck brackets by removing retainer springs.

•Disconnect front links from deck by removing retainer springs.

•Raise lift lever to raise suspension arms. Slide mower out from under tractor.

IMPORTANT: IF AN ATTACHMENT OTHER THAN THE

MOWER DECK IS TO BE MOUNTED ON THE TRACTOR, REMOVE THE FRONT LINKS.

TO INSTALL MOWER (See Fig. 21)

•Raise attachment lift lever to its highest position.

•Slide mower under tractor with discharge guard to right side of tractor.

•Lower lift lever to its lowest position.

•Install mower in reverse order of removal instructions.

SUSPENSIONELECTRIC

ARMSCLUTCH

PULLEYFRONT

LINK

RETAINER	l\
SPRING

ANTI-SWAY BAR

RETAINER

SPRINGS

(BOTH SIDES)

FIG. 21

20

Image 80

Sears 917.25271 owner manual Service And Adjustments, TO REMOVE MOWER See Fig, TO INSTALL MOWER See Fig

Contents

MODEL NUMBER 917.252710 OWNERS MANUAL •Assembly •Operation •Customer Responsibilities•Service and Adjustments •Repair Parts SAFETY RULES SAFETY IS INVOLVEDaccidental starting when setting up transporting, adjusting or making repairsMAINTENANCE AGREEMENT PRODUCT SPECIFICATIONSLIMITED 90 DAY WARRANTY ON BATTERY CUSTOMER RESPONSIBILITIESCONTENTS SAFETY RULESSPECIFICATIONS WARRANTYACCESSORIES MAINTENANCEAND ATTACHMENTS ENGINECONTENTS OF Parts Bag contents shown full sizeParts bag contents not shown full size HARDWARE PACKTOOLS REQUIRED FOR ASSEMBLY ASSEM BLYTO REMOVE TRACTOR FROM CARTON BEFORE ROLLING TRACTOR OFF SKIDASSEMBLY HOW TO SET UP YOUR TRACTORPREPARE BATTERY See Figs. 2A and 2B INSTALL SEAT See Fig.INSTALL BATTERY See Figs. 4 and CAUTION: Do not short battery termiCHECK TIRE PRESSURE CHECK DECK LEVELNESSCHECKLIST INSTALL MULCHER PLATE See Figs. 7A & 7Bguard when attaching mulcher plate TO CONVERT TO BAGGING OR DISCHARGINGLIGHT SWITCH: Turns the headlights on and off CHOKE CONTROL: Used when starting a cold engineOPERATION KNOW YOUR TRACTORHOW TO USE YOUR TRACTOR TO ADJUST MOWER CUTTING HEIGHT See Fig.See Fig. TO SET PARKING BRAKE See Fig.BEFORE STARTING THE ENGINE PUSHINTO _\TO OPERATE MOWER See Fig. TO TRANSPORT See Figs. 8 andfii AcAuieverenIioiiii. OPERATIONADD GASOLINE TO START ENGINE See Fig.MOWING TIPS MULCHING MOWING TIPSOPERATION FIG.CHART SE.V.CO TES CUSTOMERBATTERY See Fig. CUSTOMER RESPONSIBILITIESGRADE8 TRACTORCLEAN AIR SCREEN See Fig. ENGINETRANSAXLE COOLING TRANSAXLE PUMP FLUIDCLEANING ENGINE OIL FILTERMUFFLER SPARK PLUGSSERVICE AND ADJUSTMENTS TO INSTALL MOWER See Fig.TO REMOVE MOWER See Fig. Place motion control lever in neutral N positionAND ADJUSTMENTS SERVICETO LEVEL MOWER HOUSING FIG. BOTH FRONT LINKS MUST BE EQUAL IN LENGTHSERVICE AND ADJUSTMENTSTO ADJUST BRAKE See Fig. TO REPLACE MOWER BLADE DRIVE BELT See Fig.SERVICE ADJUSTMTO ADJUST MOTION CONTROL LEVER See Fig. TRANSMISSION REMOVAL/REPLACEMENTSERVICE AND ADJUSTMENTS TO ADJUST STEERING WHEEL ALIGNMENTTO START ENGINE WITH A WEAK BATTERY See Fig. FRONT WHEEL TOE-IN/CAMBERTO REMOVE HOOD AND GRILL ASSEMBLY See Fig. •Raise hood •Unsnap headlight wire connectorTO REPLACE HEADLIGHT BULB INTERLOCKS AND RELAYSSERVICE AND ADJUSTMENTSTO ADJUST THROTTLE CONTROL CABLE See Fig. 33 & TO ADJUST CARBURETOR See Fig.BATTERY STORAGEOTHER FUEL SYSTEMTROUBLESHOOTING POINTS PROBLEMCAUSE CORRECTIONTROUBLESHOOTING POINTS PROBLEMCAUSE CORRECTIONSERVICE NOTES SCHEMATIC SWITCHWIRING INSULATED CLIPS NOTE IF WIRING INSULATED CLIPS WERE REMOVED FORREPAIR PARTS TRACTOR -- MODEL NUMBERELECTRICAL 42 24TRACTOR --MODEL NUMBER KEY PART NO. NO.DESCRIPTIONREPAIR PARTS ELECTRICALTRACTOR - - MODEL NUMBER CHASSIS AND ENCLOSURESREPAIR PARTS PART DESCRIPTIONREPAIR PARTS TRACTOR - - MODEL NUMBERTRACTOR - - MODEL NUMBER DRIVEREPAIR PARTS REPAIR PARTS KEY PART NO. NOTRACTOR - - MODEL NUMBER DRIVETRACTOR - - MODEL NUMBER STEERING ASSEMBLYREPAIR PARTS Spindle Assembly, RH Washer 27/32 x 1-1/4x 16 GaugeRing, Klip Bearing Link, Drag Washer, Lock Nut, Hex, Fin. 3/8-24UNFSpark Arrester OPTIONAL EQUIPMENT43 4218 7 35 1 38 14 130 2581 26 178122439X REPAIR PARTSTRACTOR - - MODEL NUMBER ENGINESEAT ASSEMBLY _.--.--REPAIR PARTS TRACTOR --MODEL NUMBERDECALS WHEELS & TIRESTire REPAIR PARTSMOWER LIFT 28 26 23 7 8 41 37 38 40 4 6 64 12 13 19 161718 2_MOWER LIFT REPAIR PARTSTRACTOR -- MODEL NUMBER PARTTRACTOR -- MODEL NUMBER MOWER DECK75 74 73 \ _J1 inch = REPAIR PARTSTRACTOR - - MODEL NUMBER MOWER DECKHYDRO GEAR TRANSAXLE - MODEL NUMBER REPAIR PARTSTRACTOR - - MODEL NUMBER 58 90 53 52 40 68 3 6_ 69 62 14 4 3 24 36REPAIR PARTS PARTPART DESCRIPTION_L,_ A,D,,_RUD,,I BREATHER AND VENT J18 j13 €++14 17/_AIR INTAKE REPAIR PARTSTRACTOR -- MODEL NUMBER CARBU RETOR J _34 _ 35 _---REPAIR PARTS TRACTOR -- MODEL NUMBERREPAIR PARTS TRACTOR - - MODEL NUMBERo-,I DIPSTICKCRANKSHAFT ELECTRIC STARTERScrew 1/4-20 x 5/8 Gasket, ExhaustREPAIR PARTS TRACTOR - - MODEL NUMBERSERVICE NOTES SERVICE NOTES SERVICE NOTES SIGHTING GUIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILLSIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE 15 MAXIF YOU NEED REPAIR SERVICE OR PARTS OWNERS MANUALMODEL NO. 18 HP TWIN CYLINDER ELECTRIC STARTMODEL NUMBER 917.252710 OWNERS MANUAL •Assembly •Operation •Customer Responsibilities•Service and Adjustments •Repair Parts SAFETY RULES SAFETY IS INVOLVEDaccidental starting when setting up transporting, adjusting or making repairsMAINTENANCE AGREEMENT PRODUCT SPECIFICATIONSLIMITED 90 DAY WARRANTY ON BATTERY CUSTOMER RESPONSIBILITIESCONTENTS SAFETY RULESSPECIFICATIONS WARRANTYACCESSORIES MAINTENANCEAND ATTACHMENTS ENGINECONTENTS OF Parts Bag contents shown full sizeParts bag contents not shown full size HARDWARE PACKTOOLS REQUIRED FOR ASSEMBLY ASSEM BLYTO REMOVE TRACTOR FROM CARTON BEFORE ROLLING TRACTOR OFF SKIDASSEMBLY HOW TO SET UP YOUR TRACTORPREPARE BATTERY See Figs. 2A and 2B INSTALL SEAT See Fig.ASSEMBLY INSTALL BATTERY See Figs. 4 andCAUTION: Do not short battery termi CHECK TIRE PRESSUREASSEMBLY CHECKLISTINSTALL MULCHER PLATE See Figs. 7A & 7B guard when attaching mulcher plateLIGHT SWITCH: Turns the headlights on and off CHOKE CONTROL: Used when starting a cold engineOPERATION KNOW YOUR TRACTORHOW TO USE YOUR TRACTOR TO ADJUST MOWER CUTTING HEIGHT See Fig.See Fig TO SET PARKING BRAKE See Fig.BEFORE STARTING THE ENGINE PUSHINTO _\TO OPERATE MOWER See Fig. TO TRANSPORT See Figs. 8 andfii AcAuieverenIioiiii. OPERATIONADD GASOLINE TO START ENGINE See Fig.OPERATION MOWING TIPSMULCHING MOWING TIPS FIG.CHART SE.V.CO TES CUSTOMERBATTERY See Fig. CUSTOMER RESPONSIBILITIESGRADE8 TRACTORCLEAN AIR SCREEN See Fig. CUSTOMER RESPONSIBILITIESENGINE TRANSAXLE COOLINGCLEANING CUSTOMER RESPONSIBILITIESENGINE OIL FILTER MUFFLERSERVICE AND ADJUSTMENTS TO INSTALL MOWER See Fig.TO REMOVE MOWER See Fig. Place motion control lever in neutral N positionAND ADJUSTMENTS SERVICETO LEVEL MOWER HOUSING FIG.SERVICE AND ADJUSTMENTSTO ADJUST BRAKE See Fig. TO REPLACE MOWER BLADE DRIVE BELT See Fig.SERVICE ADJUSTMTO ADJUST MOTION CONTROL LEVER See Fig TRANSMISSION REMOVAL/REPLACEMENTSERVICE AND ADJUSTMENTS TO ADJUST STEERING WHEEL ALIGNMENTTO START ENGINE WITH A WEAK BATTERY See Fig. See Fig.SERVICE AND ADJUSTMENTSTO REMOVE HOOD AND GRILL ASSEMBLY See Fig. •Raise hood •Unsnap headlight wire connectorSERVICE AND ADJUSTMENTSTO ADJUST THROTTLE CONTROL CABLE See Fig. 33 & TO ADJUST CARBURETOR See Fig.BATTERY STORAGETRACTOR ENGINETROUBLESHOOTING POINTS PROBLEMCAUSE CORRECTIONTROUBLESHOOTING POINTS PROBLEMCAUSE CORRECTIONSERVICE NOTES SCHEMATIC SWITCHWIRING INSULATED CLIPS NOTE IF WIRING INSULATED CLIPS WERE REMOVED FORREPAIR PARTS TRACTOR -- MODEL NUMBERELECTRICAL 42 24REPAIR PARTS TRACTOR --MODEL NUMBERELECTRICAL KEY PART NO. NO.DESCRIPTIONCHASSIS AND ENCLOSURES REPAIR PARTSTRACTOR - - MODEL NUMBER REPAIR PARTS TRACTOR - - MODEL NUMBERCHASSIS AND ENCLOSURES PARTDRIVE REPAIR PARTSTRACTOR - - MODEL NUMBER REPAIR PARTS TRACTOR - - MODEL NUMBERDRIVE KEY PART NO. NOREPAIR PARTS STEERING ASSEMBLYTRACTOR - - MODEL NUMBER _--2__2222REPAIR PARTS STEERING ASSEMBLYSpindle Assembly, RH TRACTOR --MODEL NUMBERREPAIR PARTS TRACTOR - - MODEL NUMBERSpark Arrester OPTIONAL EQUIPMENTREPAIR PARTS TRACTOR - - MODEL NUMBERENGINE KEY PART NO. NOREPAIR PARTS SEAT ASSEMBLYTRACTOR --MODEL NUMBER _.--.--REPAIR PARTS TRACTOR -- MODEL NUMBERDECALS WHEELS & TIRESREPAIR PARTS TRACTOR - - MODEL NUMBERMOWER LIFT 28 26 23 7 8 41 37 38 40 4 6 6REPAIR PARTS TRACTOR -- MODEL NUMBERMOWER LIFT PARTREPAIR PARTS TRACTOR -- MODEL NUMBERMOWER DECK 75 74 73REPAIR PARTS TRACTOR - - MODEL NUMBERMOWER DECK KEY PART NO. NOHYDRO GEAR TRANSAXLE - MODEL NUMBER REPAIR PARTSTRACTOR - - MODEL NUMBER REPAIR PARTS PARTPART DESCRIPTIONREPAIR PARTS _L,_ A,D,,_RUD,,ITRACTOR --MODEL NUMBER BREATHER AND VENT J 10REPAIR PARTS TRACTOR -- MODEL NUMBERREPAIR PARTS TRACTOR -- MODEL NUMBERCARBU RETOR J _34 _ 35 _---REPAIR PARTS TRACTOR - - MODEL NUMBERREPAIR PARTS o-,ITRACTOR --MODEL NUMBER DIPSTICKREPAIR PARTS TRACTOR - - MODEL NUMBERScrew 1/4-20 x 5/8 Gasket, ExhaustSERVICE NOTES SERVICE NOTES SERVICE NOTES SIGHTING GUIDE ONLY RIDE UP AND DOWN HILL, NOT ACROSS HILLSIGHT AND HOLD THIS LEVEL WITH SKY LINE OR TREE 15 MAXIF YOU NEED REPAIR SERVICE OR PARTS MODEL NO.18 HP TWIN CYLINDER ELECTRIC START 3 in One Convertible 42 MOWER