Idle Speed Adjustment
This Trimmer/Brushcutter is equipped with non
adjustable fuel mixture carburetor. The engine• idle
speed is the only adjustment for the operator.
A
WARNING
POTENTIAL HAZARD
.
• Engine must be running to make some
carburetor adjustments.
• 'Nhen engine ls running, cutting head is
rotating and other parts are moving.
WHAT CAN HAPPEN
• Contact with rotating cutting head or
other moving parts could cause serious
personal injury or death.
HOW TO AVOID TIIE HAZARD
• Keep hands, feet and clothing away from
cutting head and other moving parts.
• Keep all hY.standers and pets away from
unit while making carburetor adjust•
ments.
The cutting head may be rotating during idle speed
adjustment. Wear the recommended personal protec
tive equipment and observe all safety instructions.
Keep hands and body away from the cutting head.
When the throttle trigger is released, the engine should
return to an idle speed between 2900 and 3300 RPM, or
just below the clutch engagement speed. The cutting
head must not rotate and the engine should not stall
(stop running) at engine idle speed.
To adjust the engindd!e speed, rotate the idle speed
adjustment screw on the carburetor.
Idle Speed
Aqjustment Screw
• Turn the idle speed screw in (clockwise) to
increase the engine idle speed.
• Tum 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/ Brushcutter hnmedi•
ately!
Contact your local authorized Maruyama Dealer for
assistance and servicing.
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