Spark Arrester; Exhaust Muffler - Maruyama BT230L Manual Del Propietario U Operador

Spark Arrester

WARNING
POTENTIAL HAZARD
• Muff ler surface becomes hot when
Trimmer is in operation and remains
hot for some time after the engine is
shut off.
WHAT CAN HAPPEN
• Contact with hot muffler surfaces could
cause a burn.
HOW TO AVOID THE HAZARD
• Make sure the muffler is cool before
inspecting and cleaning the spark
arrester.
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.
Spark Arrester
Socket Head Screw
Tail
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
head screws.
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 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 the spark arrester (see spark arrester
maintenance), Clean the muffler with a stiff brush.
IMPORTANT: Don't use solvent for cleaning
inside of muff ler, 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.
— US-22 —