Husqvarna ST 427 Owner Manual - Page 16

Maintenance

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• 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. Maintenance Introduction When the product is in use, bolts can loosen and components can become worn. This can cause malfunction like incorrect tolerance clearance, increased oil consumption, or misalignment of various components. Do regular maintenance on the product to prevent malfunction. Maintenance schedule Maintenance Tighten nuts and screws Do a check of the engine oil level Replace the engine 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 obstacles in the auger Lubricate the interlock catches 1 Lubricate the cable attachments2 Do a check of the tire pressure (only ST 424/427/430 )3 Daily X X X X At 15 hour inter- At 20 hour inter- At 40 hour inter- At 100 hour in- vals vals vals tervals X X X X X 1 Also lubricate at the beginning of each season. 2 Also lubricate at the beginning of each season. 3 See Technical data for correct tire pressure. 16 876 - 011 - 11.05.2020

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•
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.
Maintenance
Introduction
When the product is in use, bolts can loosen and
components can become worn. This can cause
malfunction like incorrect tolerance clearance,
increased oil consumption, or misalignment of
various components. Do regular maintenance on the
product to prevent malfunction.
Maintenance schedule
Maintenance
Daily
At 15 hour inter-
vals
At 20 hour inter-
vals
At 40 hour inter-
vals
At 100 hour in-
tervals
Tighten nuts
and screws
X
Do a check of
the engine oil
level
X
Replace the en-
gine oil
X
Do a check of
and adjust the
track tension
(only ST 424T/
427T/430T )
X
Make sure that
there are no fuel
or oil leaks
X
Remove obsta-
cles in the auger
X
Lubricate the in-
terlock catches
1
X
Lubricate the
cable attach-
ments
2
X
Do a check of
the tire pressure
(only ST
424/427/430 )
3
X
1
Also lubricate at the beginning of each season.
2
Also lubricate at the beginning of each season.
3
See Technical data for correct tire pressure.
16
876 - 011 - 11.05.2020