Air Filter; Fuel Filter - Maruyama B23C Manuel Du Propriétaire

• Turn the screw out (counterclockwise) to decrease
the engine idle speed.
If idle speed adjustment is necessary, and after
adjustment the cutting head rotates or the engine
stalls, stop using the Trimmer immediately!
Contact your local authorized MARUYAMA Dealer for
assistance and servicing.

Air Filter

Maintenance Interval
• The air filter should be cleaned daily, or more
often when working in extremely dusty conditions.
• Replace after every 100 hours of operation.
Air Filter Cleaning
1. Loosen the knob and remove the air filter cover.
2. Remove the foam element and filter screen from
the air filter body.
3. Clean the foam element and filter screen with
warm, soapy water. Let the screen and element dry
completely.
4. Apply a light coat of SAE 30 motor oil to the
foam element and squeeze out all excess oil.
5. Reassemble the filter screen, foam element and
to the air filter cover.

Fuel Filter

Maintenance Interval
The fuel filter should be replaced after every 100 hours
of operation.
Fuel Filter Replacement
The fuel filter is attached to the end of the fuel pick-up
hose inside the fuel tank.
1. Make sure the fuel tank is empty.
2. Remove the fuel cap.
3. Using a wire hook, gently pull the fuel filter out
through the fuel filler opening.
4. Grasp the fuel hose next to the fuel filter fitting
and remove the filter, but do not release the hose.
5. While still holding on to the fuel hose, attach the
new fuel filter.
6. Drop the new fuel filter back into the fuel tank.
7. Make sure that the fuel filter is not stuck in a corner
of the tank, and that the fuel hose is not doubled
over (kinked) before refueling.
― US - 17 ―