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34
MAINTENANCE
Muffler
WARNING – Do not use the chain saw if the muffler
is damaged or missing, or has been altered in any
way. Operating the machine with an improperly
maintained muffler will increase the risk of fire and
hearing loss.
93
Chain Brake
If the chain brake does not work properly, remove the clutch
cover and clean the chain brake components. Check for wear
on the brake band (A, Fig. 95) and replace if worn or deformed.
WARNING: If the brake band is worn too thin it may
break when the chain brake is triggered. With a
broken brake band, the chain brake will not stop
the chain. The chain brake should be replaced by
an authorized service dealer if any part is worn to
less than 0.02" (0.6 mm) thick. Repairs on a chain
brake should be made by an authorized service
94
dealer. Take your unit to the place of purchase if
purchased from a servicing dealer, or to the nearest
authorized service dealer.
Always test the chain brake performance after servicing or
cleaning per the Operation - Chain Brake Section.
WARNING: Check and, if damaged, replace the
chain catcher/safety stop (B, Fig. 93).
Oil Pump (Automatic/Adjustable)
Flow adjustment is pre-set by the manufacturer. Oil flow can be
adjusted by the operator according to specific requirements by
means of the special adjusting screw (D, Fig. 94). Oil flow occurs
only when the chain is moving.
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