Husqvarna 445 II Manuel D'utilisation page 31

Daily maintenance
Sharpen the saw chain and do a
check of its tension. Refer to
sharpen the saw chain on page 33 .
Do a check of the chain drive sprock-
To do a check of the spur
et. Refer to
sprocket on page 35 .
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 32 .
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.
Make sure that there is no damage
on the right hand guard.
Make sure that the muffler is correct-
ly attached, has no damages and
that no parts of the muffler are miss-
ing.
Maintenance and checks of the safety
devices on the product
To do a check of the brake band
1. Use a brush to remove wood dust, resin and dirt
from the chain brake and clutch drum. Dirt and wear
can decrease the function of the brake. (Fig. 90)
2. Do a check of the brake band. The brake band must
be at a minimum of 0.6 mm/0.024 in thick at its
thinnest point.
To do a check of the front hand guard and the
chain brake activation
1. Make sure that the front hand guard is not damaged
and that there are no defects, such as cracks.
2. Make sure that the front hand guard moves freely
and that it is attached safely to the clutch cover. (Fig.
91)
3. Hold the product with 2 hands above a stump or
other stable surface.
WARNING: The engine must be off.
1286 - 002 - 03.06.2020
Weekly maintenance
To
Monthly maintenance
4. Let go of the front handle and let the guide bar tip fall
against the stump. (Fig. 92)
5. Make sure that the chain brake engages as the
guide bar tip hits the stump.
To do a check of the chain brake
1. Start the product. Refer to
page 26 for instructions.
WARNING: Make sure that the saw
chain does not touch the ground or other
objects.
2. Hold the product tightly.
3. Apply full throttle and tilt your left wrist against the
front hand guard to engage the chain brake. The
saw chain must stop immediately. (Fig. 93)
WARNING: Do not let go of the front handle.
To do a check of the throttle trigger and
throttle trigger lockout
1. Make sure that the throttle trigger and throttle trigger
lockout move freely and that the return spring works
correctly. (Fig. 94)
To start the product on
31