CS-4920 OPERATION
X7503352100 35
© 09/2022 ECHO Incorporated
1. After engine starts, allow it to
return to idle and warm up
before using.
2. Move chain brake lever fully
REARWARD to UNLOCK chain
brake.
3. Squeeze throttle trigger
gradually and increase engine
speed.
4. The chain starts running when
the engine reaches clutch
engagement speed.
5. Confirm proper acceleration
and lubrication of chain and
bar.
6. Do not run the engine at high speed unnecessarily.
7. Be sure that saw chain stops moving when throttle trigger is released.
Stopping
1. Release throttle trigger (A) and
allow engine to idle.
2. Push the momentary stop
switch (B) until the engine is
stopped.
Note: If engine does not stop,
pull choke control knob
out fully to stop engine.
Note: Return the unit to your
authorized dealer to
check and repair stop
switch before starting the
engine again.
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