Exhaust Muffler; Flexible Shaft - Maruyama M42BK-QC Manuel Du Propriétaire

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. Loosen the knob and lift off the cylinder cover.
3. Withdraw the spark arrester using a suitable pair
of pliers.
Note: Do not crush or distort the spark arrester
flange during removal.
4. Remove the three socket head screws holding the
muffler body from cylinder.
5. Clean exhaust port of cylinder, exhaust outlet of
muffler and spark arrester with safety solvent and
stiff brush.
IMPORTANT: Be careful not to allow any dirt
or debris to fall into the exhaust ports, as this
can cause engine damage.
6. To reassemble the muffler body to the cylinder,
apply Removal Loctite to the three socket head
screws, then reinstall and tighten the three screws.
7. Reinstall the spark arrester onto the muffler body,
then reinstall and tighten the screw.
8. Reinstall the cylinder and air filter covers.
Muffler Body
Removal Loctite

Flexible Shaft

Maintenance Interval
The flexible shaft should be lubricated after each 20
hours of operation
Flexible Shaft Lubrication
1. Pull out the outer fitting from the clutch drum
housing, with pulling up the pin.
Inner Shaft
Outer Fitting
2. Pull out the inner shaft from the flexible outer, and
apply half a tubeful of grease to entire length of
the inner shaft evenly.
Inner Shaft
3. Insert the inner shaft into the flexible outer and re-
install the outer fitting to the clutch drum housing,
with pulling up the pin.
— US-23 —
Pin
Clutch Axis
Clutch Drum Housing
Grease