Poulan Pro 925 ZX, Pro 950 ZX manual Trouble Shooting Guide, Problem Cause

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TROUBLE SHOOTING GUIDE

Trouble Shooting Guide

Problem

Cause

 

 

 

The engine will not start.

The blade switch is engaged.

The steering controls are not locked in the neutral position.

The driver is not sitting in the driver’s seat.

The parking brake is not activated.

The battery is dead.

Contamination in the carburetor or fuel line.

The fuel supply is closed or the tap

for the fuel tanks is in the wrong position.

Clogged fuel filter or fuel line.

The starter motor does not turn the engine over.

Dead battery.

 

• Poor contacts on the battery terminal

 

 

cable connections.

 

Fuse blown.

 

Ignition system faulty.

 

• Fault in the starter motor safety circuit.

 

 

See Checking the Safety System in the

 

 

Maintenance section.

 

 

 

The engine runs rough.

Faulty carburetor.

 

• The choke control is pulled out with a warm engine.

 

Defective valves.

 

• Defective piston, cylinder, piston ring, or

 

 

cylinder head seal.

 

• The cylinder head bolts are loose.

 

• Clogged fuel filter or jet.

 

• Clogged ventilation valve on the fuel cap.

 

• Fuel tank nearly empty.

 

Defective spark plug.

 

• The spark plug is loose.

 

Defective ignition cable.

 

• Defective spark plug electrode.

 

• Defective spark plug connection.

 

• Rich fuel mixture or fuel-air mixture.

English-56

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Contents Pro 925 ZX Pro 950 ZX Page Contents OPERATOR’S Manual Rider SeriesEnglish-2 Introduction IntroductionGood Service Manufacturing NumberSymbols and Decals Symbols and DecalsXxxx xxxxxx Objects Engine is Running Moving sharp blades under cover Safety Instructions Safety InstructionsGeneral Operation English-8 Personal Safety Equipment Slope OperationChildren Maintenance General Maintenance Risk of sparking Transport Important InformationCustomer responsibilities Controls ControlsControl Locations Motion Control Levers TrackingSeat adjustment knobs FusesBy pass linkages Blade switch RefuelingChoke Control Ignition SwitchThrottle Control Parking Brake Hour MeterMachine must be stopped before activating the parking brake Accessories Cutting height pedalOperation OperationTraining Before Starting Starting the EngineDepress the control for disengaging the mower deck Press in and turn the ignition key to the start position To start an engine with a weak battery To remove cables, reverse orderRunning Operating on hills Mowing Tips Stopping the Engine Moving by Hand Maintenance MaintenanceMaintenance Schedule = Described in this manual  = Not described in this manual Replacing battery BatteryTo clean battery and terminals Always use protective glasses when handling the batteryIgnition System Checking the Safety System Checking and Adjusting the Choke Cable Checking and Adjusting the Throttle CableChecking the Engines Cooling Air Intake Replacing the Air Filter Briggs and Stratton engineChecking Tire Pressures Replacing the Fuel FilterChecking the Parking Brake Checking the V-belts Deck beltDeck belt installation EZT belt EZT belt removalChecking the Blades Check the bladesAdjusting the Mower Deck Side-to-side adjustment To level deckFront-to-back adjustment To adjust anti-scalp rollers Caster Wheels Cleaning and WashingUse protective glasses when cleaning and washing HardwareLubrication LubricationLubrication Schedule Caster wheels Lubricating the CablesLubricating in Accordance with the Lubrication Schedule Engine Oil Briggs & Stratton Changing the Engine OilOil drain valve Checking the oil level Changing the Oil FilterTransmission Trouble Shooting Guide Trouble Shooting GuideProblem Cause Wrong fuel type English-58 Storage ServiceStorage Winter StorageWiring Diagrams Wiring diagramTechnical Data Technical Data925ZX 950ZX Equipment Torque Specifications Torque Specifications HEX Head CAP Screws Conformity Certificates Conformity CertificatesUSA requirements Delivery Service Service JournalService Journal Action Date, mtr reading, stamp, signAfter the First 5-8 Hours Hour Service English-69 English-70 English-71 At Least Once Each Year English-73 English-74 English-75 Page Page 113920Rir07/11/06