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21
9.TROUBLE SHOOTING
If the machine does not start, check the compression of the engine and the spark from the spark
plug. Depending on the symptoms that you notice, you can discover the probable cause and
solve the problem.
Symptom
Possible Cause
Possible Solution
Engine will not start
Control levers are not in correct
positions for starting
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
Spark plug wire is not connected
to the spark plug, or the spark
plug is bad
Connect the spark plug wire or replace the spark
plug
No gas, or gas is old and state
If empty, fill the tank. If full, drain the gas, then
fill the tank with fresh gas
Air filter is dirty
Clean out the air filter
Engine oil is low
Add oil to the engine
Blocked fuel line
Clean out the fuel line
Engine does not run
smoothly
Engine is warm, and the choke is
still in the CHOKE position
Move the choke to the RUN position
Air filter is dirty
Clean the air filter
State fuel, water or dirt in fuel,
blocked fuel line
Drain the fuel tank, clean out the fuel line, and
fill the tank with fresh gas
Engine overheats
Chips and sawdust around the
motor
Clean off the motor
Dirty air filter
Clean out the air filter
Machine vibrates or
makes unusual noises
Loose or damaged parts
Check the blades, hammers, impeller, and all
connections. Tighten, repair, or replace any
loose or damaged parts
Impeller or blades have woody
residue or chunks stuck to them
Clean the impeller and blades
Chipper/shredder no
longer chips or shreds
well
Dull or damaged blades and
hammers
Sharpen or replace blades and check the
hammers for damage.
Loose, worn, or damaged V-belt
Replace or tighten V-belt
Chips do not come out
of the discharge chute
or come out slowly
Discharge chute or hopper is
clogged
Turn OFF the motor, disconnect the spark plug,
then clean out the machine
Insufficient motor PRM’s
Move the throttle to FAST