Drive Belts - Husqvarna ST 427 Manuel D'utilisation

1. If an auger shear pin breaks, stop the engine and
wait for the moving parts to stop.
2. Remove the ON/OFF key and disconnect the
spark plug cable.
3. Align the hole in the auger hub (B) with the hole
in the auger shaft (C) and install a new ¼ - 20 x 2
shear pin (A).
4. Install a ¼-20 locknut (D) on the shear pin and
tighten. (Fig. 80)
5. Put the ON/OFF key in the ignition and connect
the spark plug cable to the spark plug.
To replace the impeller shear pins
The impeller shear pins protect the product from
damage. The impeller shear pins break if an object
comes into the moving parts.
CAUTION:
equipment shear pins supplied with the
product.
1. If an impeller shear pin breaks, stop the engine
and wait for the moving parts to stop.
2. Remove the ON/OFF key and disconnect the
spark plug cable.
3. Align the hole in the impeller hub (A) with the
holes in the impeller shaft (B) and install a new
¼-20 shear pin (C).
4. Install a ¼-20 locknut (D) on the shear pin and
tighten. (Fig. 81)
5. Put the ON/OFF key in the ignition and connect
the spark plug cable to the spark plug.
To replace the fuse
The fuse holders are installed behind the battery
cover.
(Fig. 82)
• Replace the fuse for engine control unit (A) with
a 5 A fuse.
• Replace the fuse for the starter solenoid (B) with
a 20 A fuse.
• Replace the fuse for the LED and the heated grip
(C) with a 5 A fuse.
• Position (D) contains a backup 5 A fuse.
To examine the tires
• Keep the tires free of fuel, oil and chemicals to
prevent damage to the rubber.
• Keep the tires away from stumps, stones, ruts,
sharp objects and other objects which can cause
damage to the tires.
• Keep the tire pressure correct, see
data on page 28 .
876 - 014 - 19.05.2021
Use only original
Technical
To clear a clogged discharge chute
deflector
Do not unclog the discharge chute deflector before
the following operations are made.
1. Release the auger engagement and the drive
engagement at the same time.
2. Wait 10 seconds to make sure that the augers
have stopped.
3. Turn off the product.
4. Use the tool for cleaning (at least 37 cm (15 in.)
long, included in some models) to remove the
clog.
WARNING:
hands into the discharge chute
deflector or inside the auger bucket.
To replace the scraper bar
1. Put the scraper bar (A) in a reversed position
when it is worn to the edge of the housing. (Fig.
83)
2. Replace the scraper bar if it is worn on both
sides or if it is damaged.

Drive belts

WARNING:
product are of special construction and
should be replaced by original
equipment manufacturer (OEM) belts
available from your nearest service
center. To use other belts than OEM can
cause personal injury or damage to the
product.
WARNING:
requires separation of the product. While
separating the auger housing from the
frame, it is important that an assistant
stands in the operating position and
holds the product handles. Serious
personal injury and/or damage to the
product could occur if the product falls
during the belt replacement process.
To prepare for replacement of the belts
1. Remove the fuel from the fuel tank.
2. Loosen the lock nut (A) that secures the chute
rotator head (B) to the mounting bracket (C) to
remove the discharge chute. (Fig. 84)
3. Loosen the two screws (A) that secure the belt
cover (B) to the frame (C) and remove the belt
cover. (Fig. 85)
Do not put your
The v-belts on your
The belt replacement
21