Craftsman 358.350870 Operator's Manual page 16

• Clean the oil holes and bar groove
after each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
\
0il Holes
• 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 flat
file to restore square edges and
sides.
!1"_ File Rail Edges_r] r]
and Sides I U I
square I I
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 necessary,
use only the guide bar specified for your
saw in the repair parts list or on the de-
cal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Cleaning the air filter:
A dirty air filter decreases the life and
performance of the engine and in-
creases fuel consumption and harmful
emissions. Always clean your air filter
after 10 tanks of fuel or 5 hours of op-
eration, whichever comes first. Clean
more frequently in dusty conditions. A
used air filter can never be completely
cleaned. It is advisable to replace your
air filter with a new one after every 50
hours of operation, or annually, which-
ever comes first.
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter cover and air filter.
4. Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstal-
ling.
5. Reinstall air filter and air filter cov-
er.
6. Reinstall cylinder cover and 3
screws. Tighten securely.
Cylinder
Cover
Air Filter
Cover
Bar Oil
Fill
• See GUIDE BAR AND CHAIN OIL un-
der the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
• After each use, inspect complete unit
for loose or damaged parts. Clean the
unit and decals using a damp cloth
with a mild detergent.
• Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION: Do not clean filter in gaso-
line or other flammable solvent to
avoid creating a fire hazard or produc-
ing harmful evaporative emissions.
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
_ILWARNING: The muffler on this
product contains chemicals known to
the State of California to cause cancer.
As the unit is used, carbon deposits
build up on the muffler and spark ar-
resting screen, and must be removed
to avoid creating a fire hazard or af-
fecting engine performance.
Replace the spark arresting screen if
breaks occur.
16