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A
WARNING:
Disconnect
the spark
plug before performing
maintenance
except
for carburetor
adjustments.
We recommend
all service and adjustments
not listed in this manual be performed
by an
authorized
service
dealer.
MAINTENANCE
SCHEDULE
Check:
Fuel mixture
level
....
Before each use
Bar lubrication
.......
Before each use
Chain tension
.......
Before
each use
Chain sharpness
....
Before each use
For damaged
parts
.. Before each use
For loose caps
......
Before each use
For loose fasteners...
Before each use
For loose parts
......
Before each use
Inspect
and Clean:
Bar ................
Before each use
Complete
saw .......
After each use
Air filter .............
Every 5 hours*
Chain
brake
........
Every 5 hours*
Spark arresting
screen
and muffler
.........
Every 25 hours*
Replace
spark plug
, Yearly
Replace
fuel filter.,,
Yearly
* Hours of Operation
AIR
FILTER
CAUTION:
Do not clean filter in gasoline
or other flammable
solvent to avoid creating
a fire hazard
or producing
harmful evapora-
tive emissions.
Cleaning
the air filter:
A dirty air filter decreases
engine perfomq-
ance and increases
fuel
consumption
and
harmful
emissions.
Always
clean
after 15
tanks of fuel or 5 hours of operation,
which-
ever comes
first.
Clean more frequently
in
dusty conditions.
A used aire filter can never
be completely
c_eaned.
It is advisable
to re-
place your air filter with a new one after every
50 hours of operation,
or annually, whichever
comes
first.
1.
Loosen 3 screws
on cylinder
cover.
2.
Remove
cylinder
cover.
3.
Remove air filter.
4.
Clean the air filter using hot soapy water.
Rinse with clean cool water. Air dry com-
pletely before reinstalling.
5.
Reinstall air filter.
6.
Reinstall
cylinder
cover and 3 screws.
Tighten
securely.
._'_
Air Filter
INSPECT
MUFFLER
AND
SPARK
ARRESTING
SCREEN
As the unit is used, carbon deposits
build up
on the muffler
and spark
arresting
screen,
and must be removed to avoid creating afire
hazard or affecting
engine
performance.
Replace the spark arresting
screen if breaks
occur.
CLEANING
THE
SPARK
ARRESTING
SCREEN
Clean every 25 hours of operation or annually,
whichever comes first,
1. Loosen and remove the 3 cylinder
cover
screws.
Remove the cylinder
cover.
2.
Pull off the spark plug boot.
3.
Loosen and remove the Iocknut from the
bolt cover.
Remove the bolt cover.
4.
Loosen
and remove the 2 muffler bolts.
Remove the muffler and backplates.
No-
tice the orientation
of these parts for re-
assembling.
5.
Locate the 2 outlet cover screws
on the
muffler.
Loosen
and
remove
both
screws.
Remove
the outlet
cover
and
spark arresting
screen.
BACK VIEW OF MUFFLER
Outlet Cover
Muffler
Bsrews
"i
/
l/ /
Spark
Arresting
\..
//_/'
Screen
6.
Clean the spark arresting
screen with a
wire brush.
Replace screen if any wires
are
broken
or screen
is blocked
after
cleaning.
7.
Reinstall
spark arresting
screen.
8.
Reinstall
outlet cover and 2 screws.
En-
sure outlet cover and both screws are re-
installed
correctIy
to prevent damage
to
the saw (see illustrations).
The exhaust
outlets
must face the chain
brake (bar
side) of the saw.
14
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