Craftsman 917.271110 owner manual Lossof drive, Engine=backfires

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TROUBLESHOOTING CHART

PROBLEM

Poor grass discharge (cont'd)

Headlight(s)not working(if so equipped)

Batterywillnot charge

Lossof drive

Engine=backfires"

when fuming engine"OFF"

CAUSE

•Mower deck not level.

•Low/uneven tire air pressure.

•Worn, bent or loose blade.

•Buildup of grass, leaves and trash under mower.

•Mower drive belt worn.

•Blades impropedy installed.

•Improper blades used.

•Clogged mower deck vent holes from buildup of grass, leaves, and trash around mandrels.

•Switch is "OFF".

•Bulb(s) burned ouL

•Faulty light switch.

•Loose or damaged wiring.

•Blown fuse.

•Bad battery cell(s).

•Poor cable connections.

•Faulty regulator (if so

I" equipped).

Faulty alternator.

•Freewheel control in =disen- gaged" position.

•Motion drive belt worn, dam- aged or broken.

•Air trapped in transmission during shipment

or servicing.

•Engine throttle control not set at "SLOW" position for 30 seconds before stopping engine.

CORRECTION

•Level mower deck,

•Check tires for proper air pres- sure.

•Replace/sharpen blade. "i3ghten blade boll

•Clean underside of mower hous- ing.

•Replace mower drive bait.

•Reinstall blades sharp edge down.

•Replace with blades listed in this manual.

•Clean around mandrels to open vent holes.

•Tum switch "ON'.

•Replace bulb(s).

•Check/replace light switch.

•Check widng and connections.

•Replace fuse.

•Replace battery.

•Check/clean all connections.

•Replace regulator.

i• Replace aitemator.

•Place freewheel control in =engaged" position.

•Replace motion drive belt.

•Purge transmission.

•Movethrottlecontrol to =SLOW" positionand allowto idle for 30 secondsbeforestoppingengine.

3O

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Contents CnnFTSn#+ Am 5 pm, Mon SatSears, Roebuckand Co., D/817 WA, HoffmanEstates,IL Limited TWO Year Warranty on Craftsman Riding EquipmentLimited 90 Daywarranty on Battery General OperationDo not ServiceSlope Operation ChildrenNever make adjustmentsor repairswith the engine running BeforerestartingMaintainyourtractorproperlyAlways. observethe Safety Rules Maintenance AgreementParts Bag contentsshownfull size LiltlliillllliillllillllParts Bag contentsnot shownfull size Parts packed separately in .cartonTo Remove Tractor from Carton Tools Required for AssemblyInstallsteering Wheel Before Rolling Tractor OFF SkidClose batterybox door.Open battery box doorfor HOW to SET UP Your Tractor Connect BatteryCheck for Proper Position of ALL Belts Install Mulcher PlateInstalltwolatch hooksto mulcherplate Ed correctlyPlease Review the Following Checklist Assemble Gauge Wheels to Mower DeckWasher Ga-geWheel t N H L Reverse Neutral High LOW Parking Brake Clutch EngagedThrottle/Choke Control LightSwitchPosition PlungerTo SET Parking Brake HOW to USE Your TractorMower Blades To Adjust Mower Cutting Height Throttle ControlBefore Starting the Engine Check Engine OIL Level To Operate MowerTo Transport ADD GasolineTo Start Engine Warm Weather Starting 50 FAbove Cold Weather Starting 50 F BelowMulching Mowing Tips General Recommendations Lubrication Chart Customer ResponsibilitiesBefore Each USE To Clean Batteryand Terminals Alwaysobservesafety ruleswhen per- formingany maintenanceBattery TractorTo Service PRE-CLEANER Spark Plugs CleaningMuffler IN-LINE Fuel FilterRollbelt offengine pulley To Install MowerTo Remove Mower Anti-SwaybarSuspension To Level Mower HousingFRONT-TO-BACKADJUSTMENT Important Deck mustbe level side-toFront Wheel TOE-IN/CAMBER To Adjust Steering Wheel ALIGN- MentTo Adjust Brake To Replace Motion Drive BeltTo Replace Headlight Bulb To Start Engine That has a Weak BatteryOrder To Remove Hood and Grill AS- SemblyAcceleration Test To Adjust Throifle Control CableTo Adjust Carburetor Move throttle control lever from slow toCylinders =-I0CLEAN Batteryand TermiEngine OIL OtherProblem Troubleshooting ChartSwitches CausePoorcut uneven Conrd CorrectionExcessivevibration Bent blade mandrel Loose/damagedpartsLossof drive Engine=backfiresTractor - Model Number Electrical Electrical KEY Part DescriptionTractor - Model Number Chassis and Enclosures Tractor -- Model Number Chassis and Enclosures 160392 ChassisAssemUyGround Drive Tractor -- Model Number Ground Drive Sheftse.yTractor Model Number Steering Assembly Tractor - Model Number Steering Assembly KEY Part DescriptionOptional Equipment Spark ArresterTractor -- Model Number Tractor --MODEL Number 917.271110 Seat Assembly Part KEY DescriptionDecals Wheels Tires KEY PartTractor - Model Number Lift Assembly Tractor - Model Number UFT Assembly #5133-62Tractor - Model Number Mower Deck Stlt UNCPage Sprocket,ST Keypart NO.NO DescriptionCrankcase RingSetS Connecg RodSUSprj,actuaUng Cylinder H EADNALVE/BREATHER Crankcase Keypart NO.NOIgnition / Electrical Blower Housing and Baffles AIR Intake AIR INTAKE/FILTRATION Keypart NO.NO Description Blower Housing & BafflesIGNITION/ELECTRICAL Keypart NO.NO Not IllustratedStarting System J Engine Controls OIL PAN I LubricationStarting System Keypart NO. no Kit,brush&sprj19 12-032-03Seal,1P.T.Oend OIL PAN/LUBRICATIONCnha KEY Part NO. no ExhaustPage Suggested Guide for Sighting Slopes for Safe Operation Sears