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SECTION 5: SERVICE
Review the troubleshooting and procedures in this section to fix your machine if a problem develops. If you
need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support
at (570) 546-9663 for machine repairs, or contact Briggs & Stratton for motor repairs.
Turn OFF the machine, allow all moving parts to come to a complete stop, and disconnect the
spark plug wire before moving the machine, emptying the bag, unclogging the inlets or outlets,
filling the gas tank, or performing maintenance and repairs.
Symptom
Engine will not start.
Engine
does
not
run
smoothly.
Engine overheats.
Machine vibrates or makes
unusual noises.
Chipper/shredder no lon-
ger chips or shreds well.
Chips do not come out
of the discharge chute or
come out slowly.
-14-
Troubleshooting
Possible Cause
1. Control levers are not in correct positions for
starting.
2. Spark plug wire is not connected to the spark
plug, or the spark plug is bad.
3. No gas, or gas is old and stale.
4. Air filter is dirty.
5. Engine oil is low.
6. Blocked fuel line.
1. Engine is warm, and the choke is still in the
CHOKE position.
2. Air filter is dirty.
3. Stale fuel, water or dirt in fuel, blocked fuel
line.
1. Chips and sawdust around the motor.
2. Dirty air filter.
1. Loose or damaged parts.
2. Impeller or blades have woody residue or
chunks stuck to them.
1. Dull or damaged blades and hammers.
2. Loose, worn, or damaged V-belt.
1. Discharge chute or hopper is clogged.
2. Insufficient motor RPM's.
Possible Solution
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. Connect the spark plug wire or replace the
spark plug.
3. If empty, fill the tank. If full, drain the gas,
then fill the tank with fresh gas.
4. Clean out the air filter.
5. Add oil to the engine.
6. Clean out the fuel line.
1. Move the choke to the RUN position.
2. Clean the air filter.
3. Drain the fuel tank, clean out the fuel line,
and fill the tank with fresh gas.
1. Clean off the motor.
2. Clean out the air filter.
1. Check the blades, hammers, impeller, and all
connections. Tighten, repair, or replace any
loose or damaged parts.
2. Clean the impeller and blades.
1. Sharpen or replace blades and check the
hammers for damage.
2. Replace or tighten V-belt.
1. Turn OFF the motor, disconnect the spark
plug, then clean out the machine.
2. Move the throttle to FAST.
G0594 Large Chipper/Shredder
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