English
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63
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 shut-off valve for
the fuel tank is in the wrong position.
•
Clogged
fuel
fi lter or fuel line.
The starter 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 safety circuit. See Checking the
Safety System in the “Maintenance Section,”
The engine runs rough.
•
Faulty carburetor.
•
The choke control is pulled out with warm engine.
•
Defective valves.
•
Defective piston, cylinder, piston ring, or
cylinder head seal.
•
The cylinder head bolts are loose.
•
Clogged fuel fi lter or jet.
•
Clogged ventilation valve on the fuel cap.
•
Fuel tank nearly empty.
•
Defective spark plugs.
•
The spark plugs are loose.
•
Defective ignition cable.
•
Defective spark plug electrode.
•
Defective spark plug connection.
•
Rich fuel mixture or fuel-air mixture.
•
Wrong fuel type.
•
Water in the fuel.
•
Clogged air fi lter.
•
Air trapped in hydraulic system.
Summary of Contents for 27 KOH/968999588
Page 2: ......
Page 67: ...English 67 WIRING DIAGRAM...
Page 79: ...English 79 SERVICE JOURNAL After the First 5 8 Hours 1 Change engine oil...
Page 85: ...English 85 SERVICE JOURNAL Action Date mtr reading stamp sign...
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Page 88: ...Part No 539 131266R01 09 25 07...