Operation – RedMax G621AVS User Manual
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so that saw chain does not turn. If idling speed is
too slow, turn the screw clockwise.
4. Make a test cut adjust the H needle for best
cutting power, not for maximum speed.
(1) L needle
(2) H needle
(3) Idle adjusting screw
■ ICING PREVENTION SYSTEM
This system prevents icing of the carburetor which
sometimes happen while sawing in winter.
When your saw is possible to be frozen at the
carburetor during operation, use the system as
follows:
1. Remove the air cleaner cover, air filter, and
silencer. (F14)
(1) Cylinder cover
(2) Air cleaner cover
(3) Intake silencer
(4) Air filter
2. Pull off the plug on the rear wall of the cylinder
cover and reinstall it upside down. (F15)
(1) Plug
3. Install the covers as they are.
Never use the system in normal temperature
because that can cause starting failure due to
overheating of the carburetor.
■ ANTI-FREEZE PARTS
For use under extra cold condition. Optional parts
as shown right are available. When normal air filter
is frozen even with the plug opened, contact your
nearest dealer for the anti-freeze parts. (F16)
(1) Air inlet plug (P/N 2610-83220)
(2) Cylinder cover for cold use (P/N 2626-31110)
IMPORTANT
7. Operation
F14
F15
F16