Maintenance - Husqvarna 445 II Operator's Manual

To use the product in cold weather
CAUTION: Snow and cold weather can
cause operation problems. Risk of too low
engine temperature or ice on the air filter
and the carburetor.
1. Clothe a part of the air intake on the starter. This
increases the engine temperature.
2. For temperatures below -5°C/23°F or in conditions
with snow, a winter cover is available. Assemble the
Introduction
WARNING: Read and understand the safety
chapter before you do maintenance on the
product.
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 31 .
Make sure that there is no damage
on the vibration damping units.
Clean and do a check of the chain
brake. Refer to To do a check of the
chain brake on page 31To do a
check of the front hand guard and the
chain brake activation on page 31 .
Do a check of the chain catcher. Re-
To do a check of the chain
fer to
catcher on page 32 .
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 35 .
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 35 .
30

Maintenance

Weekly maintenance
Clean the cooling system. Refer to
To clean the cooling system on page
36 .
Do a check of the starter, starter rope
To do
and return spring.
Lubricate the needle bearing. Refer
To lubricate the needle bearing on
to
page 35 .
Remove burrs from the edges of the
guide bar. Refer to
the guide bar on page 35 .
Clean or replace the spark arrestor
mesh on the muffler.
Clean the carburetor area.
To do a
Clean or replace the air filter. Refer
To clean the air filter on page 33 .
to
Clean between the cylinder fins.
winter cover on the starter housing. The winter cover
decreases the flow of cool air and keeps snow away
from the carburetor space. (Fig. 89)
CAUTION: Remove the winter cover if
the temperature increases above -5°C/
23°F. Risk of too high engine
temperature and damage to the engine.
Monthly maintenance
Do a check of the brake band. Refer
To do a check of the brake band
to
on page 31 .
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
33 .
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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