Inspect Muffler And Spark Arrestor Screen; Cleaning The Spark Arrestor Screen; Replace Spark Plug - Craftsman 358.351202 Operator's Manual

after 1 5tanks offuel o r5 hours o fop-
eration, whichever comes first. Clean
more frequently in dusty conditions. It is
advisable to replace your air filter with a
new one after every 50 hours of opera-
tion, or annually, whichever comes first.
To clean filter:
• Loosen screw on air filter cover.
• Remove air filter cover.
• Remove air filter screw and retainers.
• Remove air filter.
• Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstalling.
• Reinstall air filter.
• Tighten air filter screw and retainers.
• Reinstall air filter cover and screw
(15-20 in-lbs.).
Retainers
INSPECT MUFFLER AND SPARK
ARRESTOR SCREEN
As the unit is used, carbon deposits
build up on the muffler and spark
arrestor screen, and must be removed
to avoid creating a fire hazard or affect-
ing engine performance.
Replace the spark arrestor screen if
breaks occur.
CLEANING THE SPARK
ARRESTOR SCREEN
Clean every 25 hours of operation or
annually, whichever comes first.
, Loosen and remove the muffler cover
screws.
* Remove the muffler cover (cover
snaps off muffler body).
, Remove muffler diffuser and spark
arrestor screen assembly. Notice the
orientation of parts for reassembly.
, Clean the spark arrestor screen with a
wire brush. Replace screen if breaks
are found.
o Replace any broken or cracked muf-
fler parts.
• Reinstall diffuser and spark arrestor
screen assembly with holes facing up
and toward muffler cover.
• Reinstall muffler cover and screws
(7-8 ft-lbs.).
REPLACE SPARK PLUG
The spark plug should be replaced
each year to ensure the engine starts
easier and runs better. Spark plug gap
should be .025 in. Ignition timing is fixed
and nonadjustable.
- Loosen and remove the screws on
the cylinder cover.
, Remove the cylinder cover,
- Pul! off the spark plug boot.
, Remove spark plug from cylinder and
discard.
o Replace with Champion CJ7Y spark
plug and tighten with a 3/4 inch socket
wrench (10-12 ft-lbs).
• Reinstall the spark plug boot,
o Reinstall the cylinder cover and
screws (15-20 in-tbs).
CHAIN REPLACEMENT
• Move On/Stop switch to the Stop
position,
• Replace the old chain when it be-
comes worn or damaged,
• Use only the Low Kickback replace-
ment chain specified in the repair
parts list. The correct replacement bar
and chain is also specified on a decal
located on the chain saw,
15