Maintenance; Maintenance Schedule - Husqvarna ST 427 Manuel D'utilisation

3. Remove snow and loose ice from the base of the
discharge chute.
4. Turn the discharge chute deflector to the left
direction and to the right direction to remove ice
and water.
5. Set the key to the "OFF" position.
6. If the product does not have an electric starter,
pull the starter rope handle several times to
remove ice and water.
To get a good result
• Always run the engine at full throttle or near full
throttle.
• Always adapt the speed of the product to the
snow situation and adjust the speed with the
drive speed control lever. Make sure that the
product throws snow evenly.
Introduction
When the product is in use, bolts can loosen and
components can become worn. This can cause

Maintenance schedule

Maintenance

Tighten nuts
and screws
Do a check of
the engine oil
level
Replace the en-
gine oil
Do a check of
and adjust the
track tension
(only ST 424T/
427T/430T )
Make sure that
there are no fuel
or oil leaks
Remove obsta-
cles in the auger
Lubricate the in-
1
terlock catches
Lubricate the
cable attach-
2
ments
1
Also lubricate at the beginning of each season.
2
Also lubricate at the beginning of each season.
18
Maintenance
At 15 hour inter-
Daily
vals
X
X
X
X
X
• It is easier and more efficient to remove snow
immediately after it falls.
• Always throw snow downwind whenever
possible.
• On flat surfaces, like asphalt roads, raise the skid
plates up to 5-6 mm (0.2-0.25 in) off the ground.
• The scraper bar is reversible. When it becomes
worn almost to the edge of the housing, reverse
it. Replace the scraper bar if it is damaged, or if
both sides are worn.
• Do not dispatch the chute deflector if it is
clogged.
• If the product does not move forward due to
unforeseen circumstances, release the drive
engagement immediately or move the ON/OFF
key to the "OFF" position.
malfunction like incorrect tolerance clearance,
increased oil consumption, or misalignment of
various components. Do regular maintenance on the
product to prevent malfunction.
At 20 hour inter- At 40 hour inter-
vals
X
X
X
At 100 hour in-
vals tervals
876 - 014 - 19.05.2021