— US-6 —
CARBURETOR ADJUSTMENT
The carburetor has been carefully adjusted at the factory and should not
require any further adjustment. Only the idling speed can be adjusted by
turning the idle speed adjustment screw (see sketch). The correct speed is
2400 - 2800 RPM (or just below the clutch engagement speed ). Turning the
adjustment screw clockwise will increase the idle speed.
If further adjustment is necessary, please contact a local authorized
MARUYAMA dealer.
OPERATING THE BRUSHCUTTER
MARUYAMA brushcutters are designed and tested to cut nearly all grasses, thick weeds and brush. As you
continue to use the equipment, many tasks will become easier.
CAUTION-Read the SAFETY INSTRUCTIONS concerning the proper use of the brushcutter on page US-1.
CAUTION-Observe all warnings that appear on the brushcutter.
CAUTION-Use only the correct blade approved for the task and the machine.
CAUTION-Always use the Shoulder Harness when operating a brushcutter with a metal blade. The brush-
cutter must be positioned to the right side of the operator when used with a metal blade.
CAUTION-Always make certain the blade is installed to rotate in the proper direction and that all holding
and fastening parts are correctly secured.
CAUTION-Remove the holding tool (
φ
6mm pin) before operating the equipment!
CAUTION-Do not continue to use a blade that is dull, damaged, or that vibrates during use. Whenever a
cutting blade becomes clogged with debris, immediately stop the machine and clean the blade.
CAUTION-When cutting heavy brush or small trees, use the proper method to avoid dangerous " KICK-
BACK "(see sketch).
REGULAR MAINTENANCE
AIR FILTER
The air filter should be cleaned each time the brushcutter is used. (Or more
often with extreme conditions.) Remove the filter cover and take out the ele-
ment. Wash the element in kerosene or warm detergent, then squeeze it dry.
Apply oil (#30 wt.) to foam, removing all excess oil. Assemble and reinstall
the element and filter cover.
Direction
of Motion
No Kick-back Zone
CORRECT
Direction
of Motion
DANGER
Kick-back Zone
INCORRECT
Foam Element
Filter Cover
Knob
Idle Speed Adjustment Screw
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