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CHECK CHAIN S HARPNESS
Asharp c hain m akes wood c hips. A
dull c hain m akes asawdust powder
and cuts s lowly. See CHAIN SHARP-
ENING intheSERVICE
AND A DJUST-
MENTS
section.
CHECK GUIDE
B AR
Conditions
which require guide bar
maintenance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the
cut.
• Inadequate
supply of oil to the bar
and chain.
Check the condition
of the guide bar
before each use and each time the
chain is sharpened.
A worn guide bar
will damage the chain and make cut-
ting difficult.
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 operation.
Remove Sawdust From
Guide Bar Groove
\
• 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.
_"_
File Rail Edges_
['] r]
and Sides
I U I
Square
I
I
Worn Groove
Correct Groove
Replace the 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 replace-
ment is necessary,
use only the guide
bar specified
for your saw in the repair
parts list, also specified
on the replace-
ment bar and chain decal located on
the chain saw.
CHECK
FUEL MIXTURE
LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Bar Oil
• See GUIDE BAR AND CHAIN OIL un-
der the OPERATION section.
INSPECT
AND CLEAN
UNIT &
LABELS
• After each use, inspect complete
unit
for loose or damaged
parts.
Clean
the unit and labels using a damp
cloth with a mild detergent.
• Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
• See CHAIN BRAKE is 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,
it
is advisable
to replace your air filter
with a new one after every 50 hours of
operation,
or annually, whichever
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.
Reinstall air filter.
6.
Reinstall air filter cover and 3
screws. Tiqhten securely.
_/
Cylinder
_
._ _"
Cover
15
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