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• Clean the oil holes and bar groove
after each 5 hours of operation.
Remove Sawdust From
Guide Bar _o_
Oil Holes .
• Burdng 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.
]_._ File Rail Edges_ _._
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 nec-
essary, use only the guide bar speci-
fied for your saw in the repair parts list
or on the decal located on the chain
saw.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Bar Oil
_Fill,_._Cap
_. . .,,.. . --
• 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
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.
3.
4.
5.
6.
7.
Remove cylinder cove£
Remove air filter.
Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstak
ling.
Lightly oil air filter before installing
toimprove the efficiency of air filter.
Use 2-cycle engine oil or motor oil
(SAE 30). Squeeze excess o11from
filter.
Reinstall air filter.
Reinstall cylinder cover and 3
screws. Tighten securely.
_- Cylinder Cover
Air Filter ..z_ / Screws
Cy,, ?ger
INSPECTMUFFLERAND SPARKAR-
RESTING SCREEN
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.
Muffler Diffuser
Spark
Arresting
Screen
Muffler
Cover
Screw_
Body Muffler
Cover
CLEANING THE SPARK
ARRESTING SCREEN
Cleaning is required every 25 hours of
operation or annually, whichever
comes first.
1. Loosen and remove the 2 mumer
cover screws.
2. Remove the muffler cover (cover
snaps off mumer body).
16
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