Troubleshooting
Problem
Possible Cause
Corrective Action
1. The battery is discharged.
1. Charge the battery or replace it.
2. The electrical connections are
corroded or loose.
2. Check the electrical connections for
good contact.
The starter does not crank.
3. The relay or switch is damaged.
3. Contact your Authorized Service
Dealer.
1. The fuel tank is empty.
1. Fill the tank with fresh fuel.
2. The fuel-shutoff valve is closed.
2. Open the fuel-shutoff valve.
3. The controls are not in neutral.
3. Move the controls to neutral.
4. The choke is not on.
4. Move the choke lever fully forward.
5. The air cleaner is dirty.
5. Clean or replace the air-cleaner
elements.
6. The spark-plug wire is loose or
disconnected.
6. Install the wire on the spark plug.
7. The spark plug is pitted, fouled, or the
gap is incorrect.
7. Install a new, correctly gapped spark
plug.
The engine does not start, starts hard, or
fails to keep running.
8. Dirt, water, or stale fuel is in fuel
system.
8. Contact your Authorized Service
Dealer.
1. The engine load is excessive.
1. Reduce the ground speed.
2. The air cleaner is dirty.
2. Clean or replace the air-cleaner
elements.
3. The oil level in the crankcase is low.
3. Check and add oil to the crankcase.
4. The cooling fins and air passages
under the engine blower housing are
plugged.
4. Remove any obstructions from the
cooling fins and air passages.
5. The spark plug is pitted, fouled, or the
gap is incorrect.
5. Install a new, correctly gapped spark
plug.
The engine loses power.
6. Dirt, water, or stale fuel is in the fuel
system.
6. Contact your Authorized Service
Dealer.
1. The engine load is excessive.
1. Reduce the ground speed.
2. The oil level in crankcase is low.
2. Check and add oil to the crankcase.
The engine overheats.
3. The cooling fins and air passages
under the engine blower housing are
plugged.
3. Remove any obstructions from the
cooling fins and air passages.
There is abnormal vibration.
1. The engine mounting bolts are loose.
1. Tighten the engine mounting bolts.
1. The hydraulic-fluid level is low.
1. Check and add hydraulic fluid.
2. The tow valves are open.
2. Close the tow valves.
The machine does not drive.
3. The hydraulic system is damaged.
3. Contact your Authorized Service
Dealer.
1. A chunk of wood or a rock is caught
in the grinder.
1. Shut off the engine and remove the
obstruction with a stick.
2. The grinder drive system is damaged.
2. Contact your Authorized Service
Dealer.
The grinder does not turn.
3. The hydraulic system is obstructed,
contaminated, or damaged.
3. Contact your Authorized Service
Dealer.
1. The teeth are worn.
1. Rotate or replace the teeth.
2. The hydraulic system is overheated.
2. Shut down and allow the system to
cool.
The grinder does not cut fast enough.
3. The hydraulic system is obstructed,
contaminated, or damaged.
3. Contact your Authorized Service
Dealer.
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