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16
away so as not to reduce the service life of the
engine.
Use a damp cloth to clean the plastic parts. Do
not use cleaning products, solvents or sharp
objects.
Clear dust accumulations from the ventilation
openings and moving parts at regular intervals
using a soft brush.
After a lengthy period of use, remove the guide
bar and chain and clean them with a brush.
Spark plug adjustment
At least once a year or if the engine does not start
easily, check the electrode gap on the spark plug.
The correct gap between the lug and the contact
is 0.25“/0.63 mm.
- Wait until the engine is completely cold.
- Remove the air filter cover.
- Take the spark plug cap off the spark
plug and unscrew the spark plug using a spark
plug wrench.
- If the electrode has suered excessive wear or
it is heavily encrusted, the spark plug must be
replaced with an equivalent one. Heavy encrustation on
the spark plug may be caused by too high an oil content
in the fuel mixture, poor oil quality, the petrol mixture
being too old or the air filter being blocked.
- Screw the spark plug fully into the thread by
hand (do not cross the thread).
- Now tighten the spark plug using a spark plug
wrench.
- If you use a torque wrench, the tightening
torque is 12-15 Nm.
- Now attach the spark plug cap correctly to the
spark plug.
Never fell trees if you cannot control the felling
direction because of high winds.
Only fell trees if you have absolutely safe footing.
Lying trees or branches may be under tension.
Make a cut to relieve this tension first, and
then the actual cut.
Caution: After operated the chain saw at full load for
a long time, should let the engine run at no load for a
while, until the cooling air takes away most of the heat.
In this way, it will avoid much more heat collected and
avoid causing the drive mechanism overheat.
After sawing work. Need to slacken the saw chain if it
is tensioned at working temperature. Because the saw
chain will be shrunk during cooling and it will damage
the crankshaft and the bearing if it is not slackened.
Servicing and care (B28-B30)
Saw chain
Saw chain and guide bar servicing
Adjust the tension of the saw chain (2) from time
to time when necessary.
Turn the guide bar (1) after lengthy usage and
when you change the saw chain (2). This will compensate
the wear on the groove on the cutting side of the bar.
Sharpen the saw chain
The saw chain (2) should be serviced by a trained
specialist.
Air filter
After a lengthy period of use, you should clean
the air filter. Dust and pollen will block the pores
of the air filter.
- Remove the air filter cover (16) and wash
the air filter in mild soap suds. Important:
Do not use petrol or solvents.
- Dry the filter before you use it again.
A damaged air filter must be replaced straight
G
B
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