Gearcase - Maruyama M42BK-QC-ST Manuel Du Propriétaire/De L'utilisateur

When the throttle trigger is released, the engine should
return to an idle speed. The correct speed for models
M27QC, M30QC are 2700 - 3300 RPM, and for
M42BK-QC is 2400 - 2800 RPM, or just below the
clutch engagement speed. The Attached Tool must not
rotate/move and the engine should not stall (stop run-
ning) at engine idle speed.
To adjust the engine idle speed, rotate the idle speed
adjustment screw on the carburetor.
Idle Speed Adjustment Screw
● T urn the idle speed screw in (clockwise) to increase
the engine idle speed.
● T urn the screw out (counterclockwise) to decrease
the engine idle speed.
If idle speed adjustment is necessary, and after adjust-
ment 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.

Gearcase

Maintenance Interval
The gearcase should be checked for lubrication after
each 30 hours of use.
Bearing Lube
(P/N 211337)
Gearcase
Gearcase Lubrication
Remove the cutting attachment and the boss adapter.
Clean any dirt and debris from the area between the
boss adapter and the gearcase. Remove the grease plug
from the side of the gearcase. While rotating the attach-
ing shaft, inject lithium-base bearing lube (P/N 211337)
through the plug hole until the gearcase is full. Reinstall
the boss adapter and grease plug.
— US-12 —
Grease Plug
Plug Hole
Boss Adapter
Attaching Shaft