Husqvarna 120 Operator's Manual page 19

Maintenance schedule
Daily maintenance
Clean the external parts of the prod-
uct and make sure that there is no oil
on the handles.
Do a check of the throttle trigger and
throttle trigger lockout. Refer to
a check of the throttle trigger and
throttle trigger lockout on page 20 .
Make sure that there is no damage
on the vibration damping units.
Clean and do a check of the chain
To do a check of the
brake. Refer to
chain brake on page 20To do a
check of the front hand guard and the
chain brake activation on page 20 .
Do a check of the chain catcher. Re-
To do a check of the chain
fer to
catcher on page 20 .
Turn the guide bar, do a check of the
lubrication hole and clean the groove
in the guide bar. Refer to
check of the guide bar on page 24 .
Make sure that the guide bar and
saw chain are getting sufficient oil.
Do a check of the saw chain. Refer to
To examine the cutting equipment on
page 24 .
Sharpen the saw chain and do a
check of its tension. Refer to
sharpen the saw chain on page 22 .
Do a check of the chain drive sprock-
To do a check of the spur
et. Refer to
sprocket on page 24 .
Clean the air intake on the starter.
Make sure that nuts and screws are
tightened.
Do a check of the stop switch. Refer
To do a check of the start/stop
to
switch on page 21 .
Make sure that these are no fuel
leaks from the engine, tank or fuel
lines.
Make sure that the saw chain does
not rotate when the engine is at idle
speed.
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Weekly maintenance
Clean the cooling system. Refer to
To clean the cooling system on page
24 .
Do a check of the starter, starter rope
To do
and return spring.
Lubricate the needle bearing. Refer
To do a check of the spur sprocket
to
on page 24 .
Remove burrs from the edges of the
guide bar. Refer to
the guide bar on page 24 .
Clean or replace the spark arrestor
mesh on the muffler.
Clean the carburetor area.
To do a
Clean between the cylinder fins.
To
Monthly maintenance
Do a check of the brake band. Refer
To do a check of the brake band
to
on page 20 .
Do a check of the clutch centre,
clutch drum and clutch spring.
Clean the spark plug. Refer to
a check of the spark plug on page
22 .
Clean the external parts of the carbu-
To do a check of
rettor.
Do a check of the fuel filter and the
fuel hose. Replace if necessary.
Do a check of all cables and connec-
tions.
Empty the fuel tank.
Empty the oil tank.
To do
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