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CLEANING
THE SPARK
ARRESTING
SCREEN
Cleaning
is required every 25 hours of
operation
or annually, whichever
comes first.
Outlet
Guide
l
Backplate
Muffler
Gasket
Muffler
/
Muffler
_/ Bolts
Bolt Cover
Locknut
1. Loosen and remove the Iocknut
from the bolt cover.
2.
Remove the bolt cover.
3.
Loosen and remove the 2 muffler
bolts.
Remove the muffler, muffler
gasket, outlet guide and backplate.
Notice the orientation
of these
parts for reassembling.
4.
Locate the 2 outlet cover screws
on the muffler.
Loosen and re-
move both screws.
5.
Remove the outlet cover.
_,._ Outlet Cover
BACK VIEW OF
l
MUFFLER
Muffler
Screws
Spark Arresting
Screen
6.
Remove spark arresting screen.
7.
Clean the spark arresting screen
with a wire brush. Replace screen if
any wires are broken or screen is
blocked after cleaning.
8.
Reinstall spark arresting screen.
9.
Reinstall outlet cover and 2
screws.
Ensure outlet cover and
both screws are reinstalled
cor-
rectly (see illustrations)
to prevent
damage to the saw.
The exhaust
outlet must face the chain brake
(bar side) of the saw.
Outlet Cover
Exhaust _i_._._._
_/
Out et
Exhaust OutIet must face chain
brake (bar side) of chain saw
10. inspect the muffler gasket and re-
place if damaged.
11. Reinstall backplate,
outlet guide,
muffler gasket, and muffler using
muffler bolts. Tighten
until secure.
12. Reinstall bolt cover and Iocknut.
Tighten securely.
REPLACE
SPARK PLUG
The spark plug should be replaced
each year to ensure the engine starts
easier and runs better. Ignition timing
is fixed and nonadjustable.
1. Loosen 3 screws on cylinder
cover.
2.
Remove the cylinder cover.
3.
Pull offthe
spark plug boot.
4.
Remove spark plug from cylinder
and discard.
5.
Replace with Champion
CJ-7Y
spark plug and tighten securely
with a 3/4 inch socket wrench.
Spark plug gap should
be 0.025 in.
6.
Reinstall the spark plug boot.
7.
Reinstall the cylinder cover and 3
screws. Tighten securely.
Screws
'linder
Cover
Plug Boot
Spark
Plug
REPLACE
FUEL FILTER
To replace fuel filter, drain your unit by
running it dry of fuel.
Remove fuel cap
and its connected
retainer from tank.
Pull filter from tank and remove from
line. Replace and reassemble.
16
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