11
PART 5: TROUBLESHOOTING AND PARTS LIST
WARNING
Before performing any maintenance procedure or inspection, stop the engine, wait five minutes
to allow all parts to cool. Disconnect the spark plug wire, keeping it away from the spark plug.
TROUBLESHOOTING TABLE
SYMPTOM
POSSIBLE CAUSE
The engine will not
start.
(Please refer to the
engine user manual
for engine-specific
procedures.)
➢
Is the ignition switch in the “ON” position?
➢
Is the fuel shut-off valve on?
➢
Are you using fresh, clean gas? If the gas is old, change it.
Use a fuel stabilizer if you keep gas longer than 30 days.
➢
Does the spark plug clean? If the spark plug is dirty or
cracked, change it. If it’s oily, leave it out, hold a rag over
the plug hole and pull the recoil cord several times to
blow out any oil in the cylinder, then wipe off the plug and
reinsert it.
The engine lacks
power
or is not running
smoothly.
(Please refer to the
engine user manual
for engine-specific
procedures.)
➢
Check that the Throttle Lever is in the “Run” position.
➢
Is the air filter clean? If
it’s dirty, change it following the
procedure in the engine manufacturer’s owner’s manual.
➢
Does
the spark plug clean? If it’s fouled or cracked,
change it. If it’s oily, leave it out, hold a rag over the plug
hole and pull your recoil cord several times to blow out
any oil in the cylinder, then wipe off the plug and reinsert
it.
➢
Are you using fresh, clean unleaded gas? If it’s old,
change it. Use a fuel stabilizer if you keep gas longer than
30 days.
➢
Does your engine have the right amount of clean oil? If
i
t’s dirty, change it following the procedure in the engine
manufacturer’s owner’s manual.
➢
Check the oil level and adjust as needed.
Engine smokes.
(Please refer to the
engine user manual
for engine-specific
procedures.)
➢
Check the oil level and adjust as needed.
➢
Check the air filter and clean or replace if needed.
➢
You may be using the wrong oil
—
too light for the
temperature. Refer to your Engine Owner’s Manual for
detailed information.
➢
Clean the cooling fins if they’re dirty.
Machine does not
seem
to have full chipping
power.
➢
The belts may be too loose and slipping. Adjust or
replace belts as needed.
