Troubleshooting - Toro 6.5 hp Stump Grinder Manual Del Operador

Troubleshooting

Problem
The engine will not start.
The engine runs rough.
The belt slips or comes off the pulleys
The cutting wheel does not rotate.
The cutting wheel continues to rotate.
Possible Cause
1. The engine switch is in the Off position.
2. The fuel shutoff valve is closed.
3. The choke is open.
4. The fuel tank is empty.
5. The spark plug wire is loose or
disconnected.
1. The choke is left on.
2. The air filter is clogged.
3. The fuel line is clogged.
4. There is water or contaminants in the
fuel.
5. The spark plugs are worn or have
buildup on the electrodes.
1. The belt tension is insufficient.
1. The engine speed is insufficient to
activate the centrifugal clutch.
2. The belt tension is insufficient.
3. The clutch shoes are worn.
1. The engine speed is excessive.
2. The belt is off of the pulleys or broken.
3. Clutch springs are weak or broken.
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Corrective Action
1. Hold the safety bail against the handle.
2. Open the fuel valve.
3. Close the choke when starting a cold
engine.
4. Fill tank with fresh fuel.
5. Check the electrode gap and clean or
replace the spark plug.
1. Open the choke.
2. Clean or replace the air filter.
3. Clean the sediment cup.
4. Drain and fill the tank with fresh fuel.
5. Check electrode gap and clean or
replace the spark plug.
1. Adjust the belt tension. Reduce the
cutting depth.
1. Move the throttle to the Engaged
position.
2. Adjust the belt tension.
3. Replace the clutch.
1. Move the throttle to the Disengaged
position.
2. Replace the drive belt.
3. Replace the clutch.