Service And Adjustments; Inspect Muffler And Spark Arrestor Screen; Replace Spark Plug; Cleaning The Spark Arrestor Screen - Craftsman 358.350080 Operator's Manual

INSPECT MUFFLER AND SPARK • Replace any broken or cracked muf-
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 pedkormar)_ce,_ .
Replace the spark arrestor screen if
breaks occur.
MufflerDiffuser
Screen
Mumer
Cover
Screws
Body Muffler
Cover
CLEANING THE SPARK
ARRESTOR SCREEN
f rpar
• Reunstaildiffuserand spark arrestor
screen assembly with holes facing up
and towards muffler cover.
• Reinstall muffler cover and 2 screws
(7-8 ft-,_s.).
REPLACE SPARK PLUG
The spark plug should be replaced
each year to ensure the engine starts
easier and runs better. Ignitiontiming is
fixed and nonadjustable.
• Loosen the 3 screws on the cylinder
cover.
• Remove the cylindercover.
Pull off the spark plug boot..
: Remove spark plugfrom cylinderand
Cleaning is requiredevery 25 hours of
operation or annually, whichever comes
tirsL
• Loesen and remove the 2 muffler coy- Screws
er screws.
• Remove the muffler cover (cover
snaps off muffler body). Plug
• Remove muffler d'_fuserand spark Boot
arrestor screen assembly. Notice the
ohentation of these parts for raassem.
bring.
• Clean the spark arrestor screen with a Spark
wire brush. Replace screen if breaks Plug
are found.
CHAIN REPLACEMENT
discard.
• Replace with Champion CJ7Y spark
plug and tighten with a 3/4 inch socket
wrench (10-12 ft.lbs). Spark pluggap
should be .025 in.
• Reinstallthe spark plug boot.
• Reinstall the cylinder cover and 3
screws (15-20 in-lbs).
"-;-CAUTION: Wear protective gloves
when handling chain. The chain is
sharp and can cut you even when it is
not moving.
It is normalfor a new chainto sbetchdur-
ing the first 15 ndnutasof operation You
should recheckyour chaintendon fre-
quentlyand adjustthe chaintensionas
required.See Chain Tensionsection.
• Move On/Stop switchto the Stop
position.
• Replace the old chain when itbe-
comes worn or damaged.
_.J,Jse only the Low-Wackback replace-
ment chain specified in the repair
parts list.The correct replacement bar
and chain is also specified on a decal
located on the cha0nsaw.
• See your Sears Service Center to re-
place and sharpen individualcutters
on your chain.
• Remove bar clamp nuts.
• Remove bar clamp.
• Remove the old chain.
Bar
Clamp
Bar
Nuts
14