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Adjustments
and Maintenance
General Cleaning
• Using a brush or compressed air clean and clear the
ventilation slots in the starter unit each time is necessary.
• Likewise, clean periodically the blades in the motor
cylinder and the ventilator blades to remove dirt.
Otherwise the motor can get damaged due to
overheating.
• Depending on the type of fuel and oil used, or the
particular functioning conditions, the exhaust orifice and
the muffler can be obstructed with coal deposits. If the
chain saw shows loss of power in the chain saw it will be
necessary to eliminate such deposits to restore
performance. Take the chain saw to a
Authorized Service Center to carry out this service.
Air Filter Cleansing
• Loose the lock and remove the air filter cover.
• Then pull the choke lever completely outwards to
prevent contaminating the carburetor during the cleaning
process.
• When removing the air filter use compressed air or a
brush in the uncovered area to eliminate soil and sawdust
as much as possible.
• Remove the air filter pulling upwards.
• Use a flat screwdriver to separate both sections of the air
filter.
• Reliant on the use time, clean the filter superficially only
tapping it against a smooth and flat surface to dislodge
most of the sawdust and dust particles.
• The air filter can also be cleaned with compressed air.
Clean on both sides.
• For a more complete cleansing wash the air filter with a
soapy solution, rinse and let dry completely before
installing back in the chainsaw.
• If using compressed air to dry it, blow air on both sides
of the filter.
• Set back the air filter. Verify it ties and rest perfectly in
the base before setting the cover and lock.
Exhaust and Muffler Cleansing
• Depending on the type of fuel, the amount of oil used
and / or the conditions the tool is used, the exhaust and
muffler can get clogged with carbon deposits. If you
notice loss of power remove those deposits to restore
performance. Go to a
Service Center to carry out this service.
• The muffler is built with a spark arrest screen inside the
muffler. After being used long periods of time the screen
gets soiled and the muffler has to be replaced. Go to a
Authorized Service Center to replace.
Fuel Filter
• Check periodically the fuel filter. If contaminated or
damaged, go to a
Center to replace it.
WARNING
WITHOUT assembling first all the chain saw parts.
Otherwise the parts can get fractured and shoot
out towards the operator. Can also damage the
chain saw and make the Warranty void.
carried out by the
Center specialists.
• Before they carry out the adjustments to the carburetor
verify the air filter and the ventilation slots in the starter unit
are clean (see page 19).
• The motor shall be warm before any adjustment to the
carburetor.
• The carburetor is shipped from the factory already
adjusted. It only admits limited adjustment to the "L"
nozzle (moderate injection) and "H" (intense injection)
within a 1/2 turn range. Do not force the nozzles beyond
the range to prevent severely damaging the motor.
• The nozzles are inside the upper orifice in the motor
cover marked with an "L" and an "H" in one side of the
jack line. There are plastic caps that prevent turns to the
left with regards to the original adjustment.
• Remove the bar housing. Inspect and clean the chain
brake components. Look for wear in the brake band.
Replace it if worn to half of its original thickness 0,035" or
if malformed.
Authorized
• Always keep clean and lightly oiled the chain brake
mechanism.
• Check the chain support and replace if damaged.
• Never try to start the motor
Carburetor Adjustment
CAUTION
• Adjusting the carburetor shall only be
Chain Brake
Authorized Service
Authorized Service
19
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