Dixon ZTR 7525, 13636-0702 manual Troubleshooting, Engine WON’T Turn Over

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TROUBLESHOOTING

1.ENGINE WON’T TURN OVER

Mower blades engaged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -disengage blades Blown fuse- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -replace fuse Dead battery- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -charge or replace Solenoid- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Ignition switch- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Starter- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Parking brake not set - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - engage parking brake

2.ENGINE WILL TURN OVER BUT WON’T START

No fuel- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

-refuel and/or clean or replace fuel filters

Over or under choked- - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - adjust choke

Spark plug not firing- - - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - - - - - - - - - - - - - - -check spark plug wires

Carburetor maladjustment- - - - - - - - - - - - - - - - - - -

- - - -- -- readjust carburetor/consult dealer

Ignition switch- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

- - - - - - readjust carburetor/consult dealer

3.HARD TO START ENGINE

No fuel- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -refuel and/or clean or replace fuel filters Fuel line clogged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - clean fuel line and check fuel filter Faulty fuel pump- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer Spark plug wire loose or grounded - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -check spark plug wires Spark plug(s) faulty or improperly gapped- - - - - - - - - - - - - - - - - - - - - - - - - - - - - check spark plug Electronic ignition defective- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - consult dealer Dirty or maladjusted carburetor- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer

4.ENGINE STARTS BUT CUTS OUT

Water in fuel- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -drain old fuel-replace with new fuel Clogged fuel line- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - clean or replace fuel line Fuel tank vent plugged- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - check vent and clean Faulty fuel pump- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -replace/consult dealer Maladjusted carburetor- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -consult dealer

5.ENGINE KNOCKS

Low oil level- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - check and add oil Fuel octane too low- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -replace with higher octane gasoline Over heated engine- - - - - - - - - - - - - - - - - - - - - - shut off engine and allow to cool/consult dealer

*see engine manual for engine adjustments

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Contents Series Important Read Carefully Index Safety Blade Contact TIP Over RUN Over Back OverSafety Alert Symbol General Operation General Operation Slope Operation Do notChildren Service Service Dixon Limited Warranty Policy Hydro Gear Models Specifications SeatSeat Adjustment Instructions ModelControls Control Levers To GO ForwardChoke Control Lever Throttle Control LeverParking Brake HYDRO-GEAR Drive SystemBlade Drive Mower Deck CUT Height Lift LeverOperation Instructions Before Operating MowerTesting of Safety Interlock Systems Blade Drive Switch Test Electric Clutch Starting Instructions cold engine Engine cannot be restarted when blades are engaged Maintain Sharp Blades Throughout The Cutting Season Do not attempt to cut grass when it is wet Grass Height and Cutting SuggestionsTo Free Wheel Machine Unlock Transmission Care and Maintenance Maintenance ScheduleBattery EngineTires Mower Blades BeltsLubrication Hydrostatic TransmissionsHydrostat OIL Maintenance Procedure Procedure for Raising and Lowering the Deck for Servicing Leveling the Deck Positionoperation Inshown Mower Shown in Servicing Position Troubleshooting Engine WON’T Turn OverEngine Idles Poorly Engine Backfires Standard Service Parts List Model ZTROwner Information ZTRMowers