[M42BK]
l.
With the engine at ambient (room) temperature,
loosen the knob and remove the air filter cover.
2. Loosen the knob and lift off the cylinder cover.
3.
Clean all dirt and debris from the cooling fins and
from around the cylinder base.
4. DO NOT overlook cleaning of the cooling air
intake area below the crankcase and above the fuel
tank! This area must be free of debris and
obstruction for the engine to cool properly.
5. Reinstall the cylinder cover.
Cylinder Cover
Knob
Cooling Fins
Spark Arrester
POTENTIAL HAZARD
• Muffler sur face becomes hot when
Trimmer/ Brushcutter is in operation
and remain s 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
ins pec ting and c leaning 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
[M30BK-S]
I.
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.
Spark Arrester
Tail
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 muf
fler, then reinstall and tighten the two socket head
screws.
6.
Reinstall the cylinder cover and the air filter cover.
[M42BK]
I. With the engine at ambient (room) temperature,
loosen the knob and remove the air cleaner cover.
2. Loosen the knob and lift off the cylinder cover.
3. Remove a screw located on the side of the exhaust
outlet holds the spark arrester in place.
4.
Withdraw the spark arrester, using a suitable pair
of pliers.
Note: Do not crush or distort the spark arrester
flange during removal.
-US-37-