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ExhaustOutl_ ttetCover
ExhaustOutletsmustface
chainbrake(barside)ofchainsaw
5. ReplacewithChampionCJ-7Y
sparkplugandtightensecurely
witha3/4inchsocketwrench.
Sparkpluggapshouldbe0.025
inch.
6. Reinstallthesparkplugboot.
7. Reinstallthecylindercoverand3
screws.Tightenscrewssecurely.
9. Inspectthemufflergasketandre-
placeifdamaged. I I ! Cylinder
1O.Reinstallbackplates,mufflergas- __ €:el
ketandmufflerusingmufflerbolts, o
Tightenuntilsecure.
11.ReinstallboltcoverandIocknut. Spark
12.Reinstallthesparkplugboot. Plug__
13.Reinstallthecylindercoverand3
screws. Spark
REPLACESPARK PLUG Plug
The spark plug should be replaced Boot {[_'__
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.
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.
I_WARNING: Disconnect the spark
plug before performing maintenance,
service, or adjustments 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
,_.WARNING: 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. Use only the
Low-Kickback replacement chain spe-
cified in the repair parts list. The cor-
rect replacement bar and chain 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/STOP switch to the STOP
position.
2. Remove chain brake nuts.
3. Remove chain brake.
4. Remove the old chain.
NOTE: An adjusting pin and screw is
used to adjust the tension of the chain. It
is very important that the pin located on
the adjusting screw aligns into the lower
hole in the guide bar. Turning the screw
will move the adjustment pin up and
down the screw.
17
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