Troubleshooting
Symptom
Possible Cause
Possible Solution
Engine will not start.
1. Control levers are not in correct
positions for starting.
1. Make sure the ON/OFF switch is ON, the
fuel shut-off valve is open, and the choke and
throttle controls are in the start position.
2. Spark plug wire is not connected
to the spark plug, or the spark plug
is bad.
.2. Connect the spark plug wire or replace the
spark plug.
3. No gas or gas is old and stale.
3. If empty, fill the tank. If full, drain the gas,
and then fill the tank with fresh gas.
4. Air filter is dirty.
4. Clean out the air filter.
5. Engine oil is low.
5. Add oil to the engine.
6. Blocked fuel line.
6. Clean out the fuel line.
Engine does not
run smoothly.
1. Engine is warm, and the choke is
still in the CHOKE position.
1. Move the choke to the RUN position.
2. Air filter is dirty.
2. Clean the air filter.
3. Stale fuel, water or dirt in fuel,
blocked fuel line.
3. Drain the fuel tank, clean out the fuel line,
and fill the tank with fresh gas.
Engine overheats.
1. Chips and sawdust around the
motor.
1. Clean off the motor.
2. Dirty air filter.
2. Clean out the air filter.
Machine vibrates or
makes unusual noises.
1. Loose or damaged parts.
1. Check the blades, hammers, impeller, and
all connections. Tighten, repair, or replace
any loose or damaged parts.
2. Impeller or blades have woody
residue or chunks stuck to them.
2. Clean the impeller and blades.
Chipper/shredder no
longer chips or shreds
well.
1. Dull or damaged blades and
hammers.
1. Sharpen or replace blades and check the
hammers for damage.
2. Loose, worn, or damaged V-belt. 2. Replace or tighten V-belt.
Chips do not come out
of the discharge chute
or come out slowly.
1. Discharge chute or hopper is
clogged.
1. Turn
OFF
the motor, disconnect the spark
plug, then clean out the machine
2. Insufficient motor RPM's.
2. Move the throttle to FAST.
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