Hayter Mowers SST38/ST42 specifications Trouble Shooting

Page 40

1.40

TROUBLE SHOOTING

1.40

TROUBLE SHOOTING

 

FAULT

POSSIBLE CAUSE

REMEDY

 

 

 

 

 

Engine overheats.

Engine load excessive.

Reduce ground speed.

 

 

Engine oil level is low.

Add oil to engine.

 

 

Cooling fins and air passages under engine

Remove obstruction from cooling fins and

 

 

blower housing are plugged.

air passages.

 

 

Air vents in engine cover blocked with debris.

Clear vents of debris.

 

 

Fan cover on top of engine blocked with

Clear cover of debris.

 

 

debris.

 

 

 

 

 

 

Tractor does not drive.

Traction belt is worn, loose or broken.

Contact Authorised Service Dealer.

 

 

Traction belt is off the pulley.

Contact Authorised Service Dealer.

 

 

 

 

 

Engine loses power.

Engine load is excessive.

Reduce ground speed.

 

 

Air cleaner is dirty.

Clean air cleaner elements.

 

 

Oil level in crankcase is low.

Add oil to crankcase.

 

 

Air vents in engine cover blocked with debris.

Clear vents of debris.

 

 

Fan cover on top of engine blocked with

Clear cover of debris.

 

 

debris.

 

 

 

Spark plug is pitted, fouled or gap is incor-

Install new, correctly adjusted spark plug.

 

 

rect.

 

 

 

Vent hole in fuel cap is plugged.

Clean or replace the fuel cap.

 

 

Dirt in fuel filter.

Replace fuel filter.

 

 

Dirt, water or stale fuel is in fuel system.

Contact Authorised Service Dealer.

 

 

 

 

 

Abnormal vibration.

Cutterblade(s) bent or unbalanced.

Install new cutterblade(s)

 

 

Blade mounting screws are loose.

Tighten blade mounting screws.

 

 

Engine mounting bolts are loose.

Tighten engine mounting bolts.

 

 

Loose engine pulley, idler pulley or blade pul-

Tighten the appropriate pulley.

 

 

ley.

 

Engine pulley is damaged.

Contact Authorised Service Dealer.

Blade drive belt is damaged.

Install new blade drive belt.

150005MA010302A

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Contents ST38/ST42 Page Be Alert CONTENTS1.4 CONTENTS1.5 Training Safety PrecautionsPreparation Operation Safety Precautions Maintenance and Storage Health and Safety at Work ActDecals Decal Caution Hands and Feet Part NoDecal General Warning Part No MU44x6815 Decal Drawbar Warning Part No MU44x6138Decal Level Position Part No MU44x6456 Decal Transaxle Bypass Lever Part NoDecal Height of Cut Part No MU44x6279 Decal Serial Number Decal Powered Sweeper Collector Part NoGuard Rear Flap Part No EC Conformity Information EC Declaration of ConformityEC Declaration of Conformity Vibration InformationEC Declaration of Incorporation EC Declaration of IncorporationIntroduction IntroductionDetail Specifications SpecificationsEngine Weight Weights and DimensionsRecommended Lubricants Operating the Tractor Safety NoticeOperator Controls Before Starting the Engine Parking BrakeHeight of CUT Setting Seat PositionHeadlights Cutterblade ControlCutterdeck Level Setting To level the cutterdeckThrottle Control Choke ControlTravel Ignition KEYEngine OIL Filler CAP Fuel Filler CAPTransaxle Bypass Lever Operator Safety System Starting and Stopping the EngineSweeper Working Height Setting Sweeper Drive SwitchEmptying the Sweeper Collector ATTACHING/DETACHING the Sweeper Collector Sweeper Collector Lift LeverAttaching the sweeper collector Detaching the sweeper collector Maintenance MaintenanceEngine Age which will not be covered by the warranty Engine OILOIL Filter Do not overfillFuel and Carburation Filling the fuel tankFuel Filter Combustion and Cooling AirSpark Plug BatteryElectrical Removing a front wheel Tyres and WheelsRemoving a rear wheel Lubrication Replacing Primary Drive Belt CutterdeckReplacing the Secondary Drive Belt Cutterdeck Removal MAINTENANCE1.36Cutterdeck Attachment Powered Sweeper Collector Replacement of the Primary Drive BeltReplacement of the Brush Drive Belt Replacement of the Bristle SectionsGrass Cutting Faults Grass Cutting FaultsTrouble Shooting Trouble ShootingTrouble Shooting Trouble Shooting Electrical Circuit Diagram Description Parts No