Exhaust Muffler; Gearcase - Maruyama BT23L Manuel Du Propriétaire/De L'utilisateur

Maintenance Interval
• The spark arrester should be inspected and cleaned
after every 25 hours of use.
• Replace the screen if it cannot be thoroughly
cleaned, or if it is damaged.
Spark Arrester Maintenance
1. With the engine at ambient (room) temperature,
loosen the knob and remove the air filter cover.
2. Twist the high tension lead boot on the spark plug
back and forth a couple of times to loosen the
boot, then pull the boot off of the spark plug.
3. Loosen the knob and lift off the cylinder cover.
4. Remove and clean the tail, gasket and spark
arrester with a safety solvent and a stiff brush. If
any part cannot be thoroughly cleaned, it must be
replaced.
5. Reinstall the spark arrester and tail onto the
muffler, 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 Maintenance
1. With the engine at ambient (room) temperature,
loosen the knob and remove the air cleaner cover.
2. Twist the high tension lead boot on the spark plug
back and forth a couple of times to loosen the
boot, then pull the boot off of the spark plug.
3. Loosen the knob and lift off the cylinder cover.
4. Remove the spark arrester (see spark arrester
maintenance), Clean the muffler with a stiff brush.
IMPORTANT: Don't use solvent for cleaning inside
of muffler, because of the catalytic converter in
muffler.
Be careful not to allow any dirt or debris to fall into
the exhaust port, as this can cause engine damage.
5. Reinstall the spark arrester and tail onto muffler,
then reinstall and tighten the two socket head
screws.
6. Reinstall the cylinder cover and the air filter
cover.

Gearcase

Maintenance Interval
The gearcase should be checked for lubrication after
each 30 hours of use.
Gearcase Lubrication
Remove the cutting attachment and the boss adapter.
Clean any dirt and debris from the area between the
boss adapter and the gearcase. Remove the grease plug
from the side of the gearcase. While rotating the attach-
ing shaft, inject lithium-base bearing lube (P/N
211337) through the plug hole until the gearcase is full.
Reinstall the boss adapter and grease plug.
− US-18 −