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4. Replace the saw chain when the longest part of the
cutting tooth is less than 4 mm/0.16 in. Also replace
the saw chain if there are cracks on the cutters.
To do a check of the guide bar
1. Make sure that the oil channel is not blocked. Clean
if it is necessary.
2. Examine if there are burrs on the edges of the guide
bar. Remove the burrs using a file.
3. Clean the groove in the guide bar.
4. Examine the groove in the guide bar for wear.
Replace the guide bar if it is necessary.
5. Examine if the guide bar tip is rough or very worn.
30
6. Make sure that the bar tip sprocket turns freely and
that the lubricating hole in the bar tip sprocket is not
blocked. Clean and lubricate if it is necessary.
7. Turn the guide bar daily to extend its life cycle.
To do maintenance on the fuel tank
and the chain oil tank
•
Drain and clean the fuel tank and the chain oil tank
regularly.
•
Replace the fuel filter yearly or more frequently if
necessary.
CAUTION: Contamination in the tanks
causes malfunction.
Air cleaning system
™
AirInjection
is a centrifugal air cleaning system that
removes dust and dirt before the particles are caught by
the air filter. AirInjection
and the engine.
To clean the cooling system
The cooling system keeps the engine temperature
down. The cooling system includes the air intake on the
starter and the air guide plate, the pawls on the flywheel,
the cooling fins on the cylinder, the cooling channel and
the cylinder cover.
1. Clean the cooling system with a brush weekly or
more frequently if it is necessary.
2. Make sure that the cooling system is not dirty or
blocked.
™
extends the life of the air filter
1513 - 001 - 25.06.2020
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