TROUBLESHOOTING GUIDE
55
Problem Cause
Engine will not start • Blade switch is engaged
• Steering controls are not locked in the neutral position
• Parking brake is not activated
• Battery is dead
• Contamination in the injector or fuel line
• Fuel supply is closed
• Clogged fuel filter or fuel line
• Faulty ignition system
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 Safety System in the
Maintenance Section
Engine runs rough • Faulty injector
• Clogged fuel filter or jet
• Clogged ventilation valve on the fuel cap
• Clogged air filter
• Injector incorrectly adjusted
• Water in the fuel
Engine seems weak • Clogged fuel filter
• Fuel tank nearly empty
• Wrong fuel type
• Water in the fuel
• Clogged air filter
Machine vibrates • Blades are loose
• Blades are incorrectly balanced
• Engine is loose