Unlock chain brake
Throttle trigger
CS-310
RUNNING
• When engine starts, keep idling for a few minutes.
• Set the brake lever in the unlocked position before
• Pull throttle trigger gradually and increase revolution of
• The chain starts running when the engine reaches
• Confirm proper acceleration and lubrication of chain
Ignition
• Do not run the engine at high speed unnecessarily.
switch
• Be sure that saw chain stops moving when throttle trig-
STOP
STOPPING
• Release throttle trigger and move ignition switch down
CHECKING CHAIN TENSION
• Chain tension should be checked frequently during
CHAIN LUBRICATION TEST
Hold the chain just above a dry surface and open the
throttle to half speed for 30 seconds.
A thin line of "thrown" oil should be seen on the dry surface.
WARNING
The saw chain should not move at idle, otherwise seri-
ous personal injury may result.
NOTE
If saw chain moves adjust carburetor according to
"Carburetor Adjustment" instructions in this manual, or
see your dealer.
starting to cut.
the engine.
4200 r/min approximately.
and bar. (Non-adjustable automatic oil pump)
ger is released.
to "STOP" position.
NOTE
If engine does not stop, pull choke control knob out
fully to stop engine.
Return the unit to your authorized ECHO dealer to
check and repair stop switch before starting the engine
again.
work and corrected as necessary.
Do not operate with a loose chain.
18
CAUTION