Craftsman 358.350590 Owner's Manual page 15

After each use, ensure ON/STOP
switch is in the STOP position, then
clean all sawdust from the guide bar
and sprocket hole.
To maintain guide bar:
• Move ON/STOP switch to STOP.
• Loosen and remove chain brake
nuts and chain brake. Remove bar
and chain from saw.
• Clean the oil holes and bar groove
after each 5 hours of operafion.
Remove Sawdust From
__l_Guide Bar Groove
• Add lubricant to sprocket hole after
each use.
• Burring of guide bar rails is a normal
process of rai! wear. Remove these
burrs with a fiat file.
• When rail top is uneven, use a fiat file
to restore square edges and sides.
]_ File Rail Edges_ _J]
and Sides
Square
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
Bar Sprocket Bar Oil
Hole Fill Cap
• See GUIDE BAR AND CHAIN OIL un-
der the OPERATION section.
• Lubricate bar sprocket hole after
each use.
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
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 15 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. To clean filter:
1. Loosen 3 screws on cylinder
cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstal-
ling.
5. Lighfiy 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.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3
screws. Tic hten securely.
Air Filter
- Cylinder Cover
-'-- Screws
-
Cylinder
Cover
INSPECT MUFFLERAND SPARK AR-
RESTING SCREEN
_WARNING: 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 occun
CLEANING THE SPARK
ARRESTING SCREEN
Cleaning is required every 25 hours of
operation or annually, whichever
comes first.
15