15
MAINTENANCE
operation of the chain saw. To avoid serious personal
injury, keep all body parts away from the muffl er.
■
Allow the muffl er to cool.
■
Remove torx screw (E) and 8 mm. nuts (D) holding the
muffl er cover in place; remove muffl er cover (C) and spark
screen (A).
■
If dirty, clean the spark arrestor screen with a small wire
brush. Replace the screen if it is cracked or otherwise
deteriorated.
■
Remove the muffl er (B).
■
Insert a fl at blade screwdriver into the muffl er exhaust
vent to remove any carbon deposits.
■
Wipe away any carbon buildup on the muffl er exhaust
vent and the cylinder exhaust port at the same time.
■
Reinstall muffl er, spark screen, and muffl er cover.
■
Reinstall torx screw and nuts to secure.
INSPECTING AND CLEANING CHAIN BRAKE
See Figures 71 - 72.
■
Remove the clutch cover and clean the chain brake
components (A). Check wear on the brake band (C) and
replace if worn or deformed. The band thickness should
not be less than 0.6 mm, or worn halfway through.
■
Always keep the chain brake mechanism clean and lightly
lubricate the linkage (B).
■
Always test the chain brake performance after servicing or
cleaning. Refer to Operating Chain Brake for additional
information.
■
Check the chain catcher (D) and replace if damaged.
WARNING
Even with daily cleaning of the mechanism, the
dependability of a chain brake to perform under fi eld
conditions cannot be certifi ed. use proper cutting
techniques.
STORING THE CHAIN SAW (1 MONTH OR
LONGER)
■
Drain all fuel from tank into a container approved for
gasoline.
■
Run the engine until it stops. This will remove all fuel-oil
mix that could become stale and leave varnish and gum
in the fuel system.
■
Squeeze primer bulb several times to purge fuel from
carburetor.
■
Drain all bar and chain oil from tank into a container
approved for oil.
■
Clean all foreign material from the saw.
■
Store it in a well-ventilated place that is inaccessible to
children.
NOTE: Keep away from corrosive agents such as garden
chemicals and de-icing salts.
Abide by local regulations for the safe storage and handling
of petrol. Excess fuel should be used in other 2-cycle engine
powered equipment.