To adjust the engine idle speed, rotate the idle speed
adjustment screw on the carburetor.
Idle Speed Adjustment Screw
● Turn the idle speed screw in (clockwise) to increase
the engine idle speed.
● Turn the screw out (counter-clockwise) to decrease
the engine idle speed.
If idle speed adjustment is necessary, and after
adjustment the Attached Tool rotates/moves or the
engine stalls, stop using the Multi-Cutter immediately!
Contact your local authorized MARUYAMA Dealer
for assistance and servicing.
WARNING
POTENTIAL HAZARD
• Engine must be running to make car-
buretor adjustments.
• When engine is running, attached tool
and other parts is rotating/moving
and other parts are moving.
WHAT CAN HAPPEN
• Contact with rotating/moving tool or
other moving parts could cause seri-
ous personal injury or death.
HOW TO AVOID THE HAZARD
• Keep hands, feet and clothing away from
attached tool and other moving parts.
• Keep all bystanders and pets away from unit
while making carburetor adjustments.
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
Air Filter Cover
Foam Element
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 motor oil (SAE 30 or
equivalent viscosity) to the foam element and
squeeze out all excess oil.
5.
Reassemble the filter screen and foam element to
the air filter body.
6.
Reinstall the air filter cover and tighten the knob.
Fuel Filter
Maintenance Interval
● The fuel filter should be replaced after every 100
hours of operation.
● Fuel filters needing more frequent replacement may
indicate debris in fuel tank.
Fuel Filter Replacement
The fuel filter is attached to the end of the fuel pick-up
hose inside the fuel tank.
To replace the fuel filter:
1.
Make sure the fuel tank is empty.
2.
Remove the fuel cap.
— US-19 —
Filter Screen
Fuel Pick-up Hose
Wire
Fuel Filter