Craftsman 358.352680 - Manual (Page 13)

' Add lubricant to sprocket hole after
each use.
■ Burring of guide bar rails is a normal
process of rail wear. Remove these
burrs with a flat file.
When rail top is uneven, use a fiat file
to restore square edges and sides.
TUT
File Edges and
sides Square
m
Worn Groove Correct Groove
Replace guide bar when the groove is
worn, the guide bar is bent or cracked,
or when excess heating or burring of
the rails occurs. If replacement is nec­
essary, use oniy the guide bar specified
for your saw in the repair parts list or on
the decal located on the chain saw.
CLEAN UNIT & LABELS
• Clean the unit using a damp cloth with
a mild detergent.
• Wipe off unit with a dean dry cloth.
CLEAN AIR FILTER
A dirty air filter decreases the life and
performance of the engine and in­
creases fuel consumption and harmful
emissions. Always dean your air filter
after 15 tanks of fuel or 5 hours of op­
eration, whichever comes first. Clean
more frequently in dusty conditions. A
used air filer can never be completely
cleaned. It is advisable to replace your
air filter with a new one after every 50
hours of operatiort, or annually, which­
ever comes first. To dean filter:
• Loosen 3 screws on cylinder cover.
• Remove cylinder cover.
• Remove air filter.
• Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstalling.
• Lightly oil air filter before installing to
improve the efficiency of air filter. Use
2-cycle engine oil or motor oil (SAE
30). Squeeze excess oil from filter.
• Reinstail air filter.
• Reinstall cylinder cover and 3 screws
{15-20 in-lbs.)
murfler 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.
Muffler Diffuser
Spark
Arrestor
Screen
Muffier
Cover
Screws
Muffier
Body
Muffler Cover
CLEANING THE SPARK
ARRESTOR SCREEN
Cleaning is required every 25 hours of
operation or annually, whichever comes
first.
• Loosen and remove the 2 muffier cov­
er screws.
• Remove the muffler cover {cover
snaps off muffler body).
• Remove muffler diffuser and spark
arrestor screen assembly. Notice the
orientation of these parts for reassem­
bling.
• Clean the spark arrestor screen with a
wire brush. Replace screen if breaks
are found.
• Replace any broken or cracked muf­
fler parts.
• Reinstall diffuser and spark arrestor
screen assembly with round holes
facing up.
• Reinstall muffler cover and 2 screws
{7-8ft-lbs).
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.
• Loosen 3 screws on cylinder cover.
• Remove the cylinder cover.
• Pul) off the sparte plug boot
• Remove spark plug from cylinder and
discard.
13