SAFETY CS-310
16 X7503275401
© 02/2019 ECHO Inc.
Do not operate this product indoors or in inadequately
ventilated areas. Engine exhaust contains poisonous emissions
and can cause serious injury or death.
International Symbols
Symbol Description Symbol Description
WARNING!
Read and follow all
safety precaution in the
instruction manual.
Failure to follow
instructions could result
in serious personal
injury.
Carburetor
Adjustment - High
Speed Mixture
Wear Eye, Ear and
Head Protection
Carburetor
Adjustment - Idle
Speed
Tip contact may cause
the guide bar to move
suddenly upward and
backward, which may
cause serious injury
Carburetor
Adjustment - Low
Speed Mixture
Contact of the guide bar
tip with any object
should be avoided
Emergency Stop
Both of the operator’s
hands must be used to
operate the chain saw
Fuel and Oil Mixture
Hot Surface Chain Oil Fill