Maintenance - Husqvarna ST 424 Operator's Manual

3. Release the lever (A) to lock the auger bucket in
position.
Note:
The auger bucket can be set to an unlocked
position. This lets the auger bucket adapt to the terrain.
To set the auger bucket to the unlocked position, push
the lever (A) down and to the right.
To prevent freeze-up after use
Note:
Controls and moving parts can be blocked by
ice. Do not apply much force to the controls. If you
cannot operate a control or a part, start the engine and
let it operate for some minutes.
1. Start the engine and let it operate for some minutes.
Stop the engine and wait for all moving parts to stop.
2. Remove snow and loose ice from the product.
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.
Introduction
When the product is in use, bolts can loosen
and components can become worn. This can
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 (on-
ly ST 424T/427T/
430T )
Make sure that
there are no fuel
or oil leaks
Remove obsta-
cles in the auger
876 - 019 - 05.10.2023
Maintenance
At 15 hour inter-
Daily
vals
X
X
X
X
X
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.
• 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.
cause 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
At 100 hour inter-
vals vals
19