CHECKGUIDEBAR
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 bar/chain.
Check the condition of guide bar each
time chain is sharpened.
A worn guide
bar will damage the chain and make
cutting 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
_f
Guide Bar Gr__
_,_
_
Sprocket Hole
Oil Hole
• 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 fiat tile.
• When rail top is uneven, use a fiat file
to restore square edges and sides.
'.,t-- File Rail Edges-_ N I1
andSides
ILI I
Square
I
I
Wom 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
H¢!e
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 tilter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstal-
ling.
5.
Liqhfiy 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.
Tighten securely.
Air Filter
Cover
15