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Fine adjustment of the idling speed T (F8-7)
Adjust the idle speed with the T-screw. If it is
necessary to readjust, turn the T-screw clockwise while
the engine is running, until the chain starts to rotate.
Then turn counter-clockwise until the chain stops. A
correctly adjusted idle speed setting occurs when the
engine runs smoothly in every position. It should also
be good margin to the rpm when the chain starts to
rotate.
Contact your servicing dealer, if the idle speed
setting cannot be adjusted so that the chain stops.
Do not use the chain saw until it has been properly
adjusted or repaired.
(1) T-screw
■ CHAIN BRAKE
This machine is equipped with an automatic brake to
stop saw chain rotation upon occurrence of kickback
during saw cutting. The brake is automatically operated
by inertial force, which acts on the weight fitted inside
the front guard.
This brake can also be operated manually with the
front guard turned down to the guide bar.
To release the brake, pull up the front guard toward the
front handle till a “click” sound is heard. (F8-8)
[Caution]
Be sure to confirm brake operation during daily
inspection.
How to confirm:
1) Turn off the engine.
2) Holding the chain saw horizontally, release your
hand from the front handle, hit the tip of the guide
bar to a stump or a piece of wood, and confirm
brake operation. Operating level varies by bar size.
(F8-9)
In case the brake is not effective, ask our dealer
inspection and repairing.
The engine, If being kept rotated at high speed with the
brake engaged, heats the clutch, causing a trouble.
When the brake is operated while in operation,
IMPORTANT
WARNING
F8-8
8. Operation
English
F8-9
F8-7