Craftsman 358.360170 Parts List page 16

INSPECT
MUFFLER AND SPARK AR-
RESTING SCREEN
As the unit is used, carbon deposits
buitd up on the muffler and spark ar-
resting screen, and must be removed
to avoid creating a fire hazard or af-
fecting engine performance.
Repiace the spark arresting screen if
breaks occur.
Muffler Diffuser
Spark
Arresting
Muffler
Cover
Screws
Muffle
Body Muffler
Cover
CLEANING THE SPARK
ARRESTING SCREEN
Cieaning is required every 25 hours of
operation or annually, whichever
comes first.
1. Loosen and remove the 2 muffler
cover screws.
2. Remove the muffler cover (cover
snaps off muffler body).
3. Remove muffler diffuser and spark
arresting screen assembly. Notice
the orientation of these parts for
reassembling.
4. Clean the spark arresting screen
with a wire brush. Replace screen
if breaks are found.
5. Replace any broken or cracked
muffler parts.
6. Reinstall diffuser and spark arrest-
ing screen assembiy with round
holes facing up.
7. ReinstaII muffler cover and 2
screws. Tighten securely.
REPLACE SPARK PLUG
The spark plug shoutd be repiaced
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 shoutd be 0.025
inch.
6. Reinstall the spark plug boot.
7. ReinstatI the cylinder cover and 3
screws. Tighten securely.
Screws Cylinder
Plug Bo__
REPLACE FUEL FILTER
To repiace fuel filter, drain your unit by
running it dry of fuel. Remove fuel cap
and its connected retainer from tank.
Puit filter from tank and remove from
line. Replace and reassembie.
a WARNING: Disconnect the spark
pIug before performing maintenance,
service, or adjustments except for car-
buretor adjustments.
CHAIN SHARPENING
Chain sharpening requires speciaI
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
CHAIN REPLACEMENT
WARNING: Wear protective
gloves when handting 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 shouid recheck your chain tension
frequently and adjust the chain tension
as required. See CHAIN TENSION sec-
tion.
Repiace the old chain when it be-
comes worn or damaged. Use only
the Low-Kickback replacement chain
specified in the repair parts list. The
correct replacement bar and chain is
also specified on a decal located on
the chain saw.
See your Sears Service Center to re-
place and sharpen individual cutters
on your chain.
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