2. Twist the high tension lead boot on the spark plug
Maintenance Interval
back and forth a couple of times to loosen the boot,
• The spark arrester should be inspected and
then pull the boot off of the spark plug.
cleaned after every 25 hours of use.
3. Loosen the knob and lift off the cylinder cover.
• Replace the screen if it cannot be thoroughly
cleaned, or if it is damaged.
4. Remove the spark arrester (see spark arrester
maintenance), Clean the muffler with a stiff brush.
IMPORTANT: Don’t use solvent for cleaning
Spark Arrester Maintenance
inside of muffler, because of the catalytic converter
1. With the engine at ambient (room) temperature,
in muffler.
loosen the knob and remove the air filter cover.
Be careful not to allow any dirt or debris to fall
2. Twist the high tension lead boot on the spark plug
into the exhaust port, as this can cause engine
back and forth a couple of times to loosen the boot,
damage.
then pull the boot off of the spark plug.
5. Reinstall the spark arrester and tail onto muffler,
3. Loosen the knob and lift off the cylinder cover.
then reinstall and tighten the two socket head
screws.
6. Reinstall the cylinder cover and the air filter cover.
Driveshaft
Maintenance Interval
The
flexible driveshaft
should be
lubricated
aftereach
30 hours of use.
Driveshaft
Lubrication
Loosen the two screws on the bearing case and remove the
bearing case. The inner flexible driveshaft is easily removed
by gripping
the
end securely and pu
l
ling it
from the drive-
4. Remove and clean the tail, gasket and spark arrester
shaft tube. Lubricate the entire length the
flexible driveshaft
with a safety solvent and a stiff brush. If any part
and insert it into the driveshaft tube. Twist the flexible shaft
while pushing to insure that it
seats correctly into the drive-
shaft coupler
.
Re-install the
bearing case onto the driveshaft
cannot be thoroughly cleaned, it must be replaced.
5. Reinstall the spark arrester and tail onto the muffler,
tube and tighten the two screws.
then reinstall and tighten the two socket headscrews.
6. Reinstall the cylinder cover and the air filter cover.
Exhaust Muffler
Maintenance Interval
The muffler should be inspected and cleaned after each
100 hours of use.
Muffler Maintenanc
e
1. With the engine at ambient (room) temperature,
loosen the knob and remove the air cleaner cover.
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Summary of Contents for B23C
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