Craftsman 358.350370 Instruction Manual page 16

CLEANING
THE SPARK
ARRESTING SCREEN
Cleaning 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 assembly with round
holes facing up.
7. Reinstall muffler cover and 2
screws. 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.
'linder
Cover
Spark
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=
,it
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
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.
TO REPLACE CHAIN:
1. Move ON/STOP switch to tile STOP
position.
2. Remove chain brake nuts.
3. Remove chain brake.
Chain
Brake
16