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Trouble Shooting Guide
The engine lacks power • Air in fuel system
• Clogged air filter
• Fuel filter blocked
• Defective excess flow valve
• Low feed pressure
• Defective feed pump
• Incorrect timing of injection pump
• Serious engine damage
Engine overheating • Engine overloaded
• Coolant level too low
• Air intake or radiator blocked with grass or dirt
• Fan damaged or not working
• Too little or no oil in the engine
• Defective radiator cap
• Broken coolant pump drive belt
Battery does not charge • One or more battery cells faulty
• Poor contact on the battery terminal cable connectors
• Defective generator
• Generator drive belt broken or slipping
• Breakage on cables to the generator
• Insufficient battery maintenance
• Sulphated battery
The machine vibrates • The blades are loose
• Damaged universal joint
• The engine is loose
• The hydraulic pump is loose
• Damaged support bearings for power take off shaft
• The bevel gear is loose
• The engine is not running on all cylinders
• Pulley loose or bearings worn in cutting unit
• One or more blades imbalanced, caused by damage
or poor balancing after sharpening
Problem Cause
