Maintenance And Checks Of The Safety Devices On The Product; To Do A Check Of The Brake Band; To Do A Check Of The Front Hand Guard And The Chain Brake Activation; To Do A Check Of The Chain Brake - Husqvarna 439 Manual De Usuario

Daily maintenance
Do a check of the stop switch. Refer
To do a check of the start/stop
to
switch on page 23 .
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.
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.
3. Hold the product with 2 hands above a stump or
other stable surface.
22
Weekly maintenance
4. Let go of the front handle and let the guide bar tip fall
5. Make sure that the chain brake engages as the

To do a check of the chain brake

1. Start the product. Refer to
2. Hold the product tightly.
Monthly maintenance
WARNING: The engine must be off.
against the stump.
guide bar tip hits the stump.
page 12 for instructions.
WARNING: Make sure that the saw
chain does not touch the ground or other
objects.
To start the product on
823 - 006 - 18.09.2019