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17
Outlet Cover
Exhaust Outlets
Exhaust Outlets must face
chain brake (bar side) of chain saw
9. Inspect the muffler gasket and re-
place if damaged.
10. Reinstall backplates, muffler gas-
ket and muffler using muffler bolts.
TIghten until secure.
11. Reinstall bolt cover and locknut.
12. Reinstall the spark plug boot.
13. Reinstall the cylinder cover and 3
screws.
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 off the 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
inch.
6. Reinstall the spark plug boot.
7. Reinstall the cylinder cover and 3
screws. Tighten screws securely.
Spark
Plug
Boot
Cylinder
Cover
Spark
Plug
Spark
Plug
Boot
REPLACE FUEL FILTER
To replace the 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.
SERVICE AND ADJUSTMENTS
W ARNING:
Disconnect the spark
plug before performing maintenance,
service, or adj ustments except for car-
buretor adjustments.
CHAIN SHARPENING
Chain sharpening requires special
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
CHAIN REPLACEMENT
W ARNING:
Wear protective
gloves when handling chain. The
chain is sharp and can cut you even
when it is not moving.
It is normal for a new chain to stretch
during the first 15 minutes of operation.
You should recheck your chain tension
frequently and adjust the chain tension
as required. See
CHAIN TENSION
sec-
tion.
Replace the old chain when it be-
comes worn or damaged. U se only the
Low-Kickback replacement chain spe-
cified in the repair parts list. The cor-
rect replacement bar and chai n is also
specified on a decal located on the
chain saw.
See your Sears Service Centre to re-
place and sharpen individual cutters
on your chain.
TO REPLACE CHAIN:
1. Move
ON/ST OP
switch to the
STOP
position.
2. Remove chain brake nuts.
3. Remove chain brake.
4. Remove the old chain.
Chain
Brake
Chain Brake
Nuts
Clutch Drum
NOTE: An adjusting pin and screw is
used to adjust t he t ension of the chain. I t
is very im p ortant that the pin located on
the adjusting screw aligns into t he lower
hole in the guide bar. T urning the screw
will move t he adjustment pin up and
down the screw.