Trouble Shooting Schedule - Husqvarna 850 Operator's Manual

TROUBLE SHOOTING SCHEDULE

Problem
Engine will not start.
Starter does not pull round engine.
Engine does not run smoothly.
Engine seems to have no power.
Engine overheats.
Battery does not charge.
Machine vibrates.
Uneven mowing.
Procedure
• Fuel tank empty.
• Plug defective.
• Plug connection defective.
• Dirt in carburettor or fuel pipe.
• Battery flat.
• Bad contact between cable and battery terminal.
• Lift lever for cutting unit in wrong position.
• Main fuse blown.
• Ignition lock faulty.
• Gear shift/hydrostat pedal not in neutral.
• Wrong gear, too high.
• Plug defective.
• Carburettor incorrectly set.
• Air filter clogged.
• Fuel tank vent blocked.
• Ignition setting defective.
• Dirt in fuel pipe.
• Air filter clogged.
• Plug defective.
• Dirt in carburettor or fuel pipe.
• Carburettor incorrectly set.
• Engine overloaded.
• Air intake or cooling flanges blocked.
• Fan damaged.
• Too little or no oil in engine.
• Ignition defective.
• Plug defective.
• One or more cells faulty.
• Bad contact between battery terminals and cables.
• Blades are loose.
• Engine is loose.
• Imbalance on one or more blades, resulting from
damage or inferior balancing after sharpening.
• Blades blunt.
• Cutting unit skew.
• Long or wet grass.
• Grass blockage under hood.
• Different tyre pressures on right and left sides.
• Over-speeding
• Drive belts slipping.
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