Echo CS-490

17
CS-490
RUNNING
• Whenenginestarts,keepidlingforafew
minutes.
• Setthebrakeleverintheunlockedposition
before starting to cut.
• Pullthrottletriggergraduallyandincrease
revolution of the engine.
• Thechainstartsrunningwhentheengine
reaches 3900 r/min approximately.
• Conrmproperaccelerationandlubricationof
chain and bar.
• Donotruntheengineathighspeed
unnecessarily.
• Besurethatsawchainstopsmovingwhen
throttle trigger is released.
STOPPING
• Releasethrottletriggerandmoveignitionswitch
down to “O” position.
NOTICE
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.
CHECKING CHAIN TENSION
• Chaintensionshouldbecheckedfrequently
during work and corrected as necessary.
• Tensionthechainastightaspossible,butsoit
can still be pulled easily along the bar by hand.
CAUTION
Do not operate with a loose chain.
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.
Ignition switch
Throttle trigger
Unlock chain brake