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402S
Improper sprocket guard assembly can result in serious injury,
and will cause severe saw damage if unit is started. Never start
or operate saw if brake band is not in place on clutch drum.
Always check chain brake operation after replacing guard. Do
not use saw if chain brake does not function properly.
Adjusting Chain Tension
Always loosen sprocket guard nuts before turning the chain tension
adjuster, otherwise the sprocket guard and tensioner will be
damaged.
1.
Release the cylinder cover thumbscrew, and remove the cylinder cover.
Remove spark plug lead.
2.
Unlock chain brake and
loosen sprocket guard nuts.
3.
Hold the bar nose up, and turn
the adjuster screw (A)
clockwise until chain contacts
underside of the bar.
X7503256304
© 11/23 ECHO Incorporated
ASSEMBLY
Unlock chain brake
A
25
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