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clean allsawdust from theguide bar
and sprocket hole,
Tomaintain guide bar:
• Move ON/STOP
switch t oSTOP.
° Loosen a nd remove b arknob com-
pletely b ylifting l ever a nd turning
counterclockwise.
° Loosen c hain tension b yturning
adjusting wheef (upward direction).
Remove clutch cover.
° Remove barandchain f rom saw.
, Clean the oil holes and bar groove
after each 5 hours of operation.
• 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.
i_-_-- File Rail Edges-a- N N
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. Ifreplacement is necessary,
use only the guide bar:SPeCified for your
saw in the repair parts list or onthe de-
cal located on the chain saw_
i
CHECK FUEL MIXTURE LEVEL
• See FUEUNG ENGINEunder the OP-
ERATIONsection.
LUBRICATION
:
:
Bar Oil
_j_
F"' caP
:: : _(_1_
. see GUIDE BAR AND CHAIN OIL un-
der the OPERAT ON 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.
COOLING SYSTEM
To keep the working temperature as
low as possible the machine is
equipped with a cooling system.
The cooling system cons sts of:
• Air intake on the starter
° Air guide plate
• Fins on the flywheel
• Cooling fins on the cylinder
• Cylinder cover (directs cold air over
the cylinder)
Clean the cooling system with a brush
after each use, more often in demand-
ing conditions. A dirty or blocked cool-
ing system results in the machine
overheating which causes damage to
the piston and cylinder.
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 emiss ons.
Cleaning
the air fitter:
A dirty air filter decreases the life and
performance of the engine and in-
creases fuel consumption and harmfut
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 com-
pletely cleaned, It is advisable to re-
place your air filter with a new one af-
ter every 50 hours of operation, or
annually, whichever comes first.
t.
Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter cover and air filter.
4, Ctean the air filter using hot soapy
water. Rinse with clean coot water.
Air dry completely before reinstalling.
5. Reinstall air filter and air filter cover,
t7
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