Husqvarna ST 427 Manuel D'utilisation page 22

To remove the drive belt
1. Remove the auger belt (A). See
auger belt (for ST 427/430 only) on page 22 .
2. Remove the 9/16 in. pulley bolt (B) and remove
the engine pulley (C) from the engine. (Fig. 86)
3. Remove the drive belt (D) from the lower pulley
(E).
To install the drive belt
1. Put the drive belt onto the lower pulley (E).
Note:
Make sure that the drive belt is put in the
lower pulley groove properly.
2. Put the drive belt in the groove of the engine
pulley (C). (Fig. 86)
3. Install the 9/16 in. pulley bolt (B) and attach the
engine pulley (C) on the engine. Tighten the
pulley bolt ( 41-47 Nm/30-35 Ft. Lbs).
4. Install the auger belt (A). See
belt on page 22 .
5. Operate all controls to make sure that the drive
belt is installed correctly and that all components
move correctly.
To install the belt cover
1. Install the belt cover (B) on the frame (C) and
tighten the two screws (A). (Fig. 85)
2. Install the discharge chute.
To adjust the drive belt tension
1. Remove the belt cover. See
replacement of the belts on page 21 .
2. Loosen the idler pulley nut (A).
3. Move the idler pulley (B) in the direction of the
belt to increase the belt tension. Move it away
from the belt to decrease the belt tension. (Fig.
87)
4. Tighten the idler pulley nut (A).
5. Press and then release the drive speed control
lever. If the drive belt has tension when the drive
speed control lever is released, move the idler
pulley away from the drive belt to release the belt
tension.
6. Install the belt cover. See
on page 22 .
To remove the auger belt (for ST 427/430
only)
1. Remove the 5/16'' nut and the cable cover (E)
from the frame. (Fig. 88)
2. Remove the top 5/16'' bolts and the lower ¼''
bolts (D) from the 2 sides of the frame. Do not
discard the bolts.
3. Loosen but do not remove the lower 5/16'' bolts
(C) on the 2 sides of the frame.
22
To remove the
To install the auger
To prepare for
To install the belt cover
4. Remove the auger belt (B) from the engine pulley
(A).
5. Tilt the rear section down. The front section tilts
forward at the same time. The bottom bolt is a
hinge between the front and rear sections.
6. Put a wooden block below the hinge point to set
the product in the tilted position.
7. Move the auger brake arm and remove the auger
belt (B) from around the auger brake arm.
To remove the auger belt (for ST 424T/
427T/430T only)
1. Remove the 5/16'' nut and the cable cover (E)
from the frame. (Fig. 89)
2. Remove the top 5/16'' bolts from the 2 sides of
the frame. Do not discard the bolts.
3. Remove the lower 5/16'' bolts (C) on the 2 sides
of the frame.
4. Remove the auger belt (B) from the engine pulley
(A).
5. Use the adjustment lever for the auger bucket to
tilt the rear section down. The front section tilts
forward at the same time. The bottom bolt is a
hinge between the front and rear sections.
6. Put a wooden block below the hinge point to set
the product in the tilted position.
7. Move the auger brake arm and remove the auger
belt (B) from around the auger brake arm.
To install the auger belt
1. Move the auger brake arm (G). Put the auger
belt around and in the groove of the auger pulley
(E). (Fig. 90)
CAUTION:
belt is not caught between the frame
and auger housing as you put the
unit together.
2. Remove the wooden block from below the
product.
3. Lift the handles to tilt the rear section up. The
front section tilts back and pivots to attach to the
rear section.
4. Make sure that the belt is put in the auger pulley
(E) groove correctly.
5. Install the 5/16'' bolts (C), and tighten (11-16
Nm).
6. For ST 427/430 only: Install the ¼'' bolts (D) and
tighten (5-8 Nm).
7. Install the auger belt (B) on the engine pulley (A).
Make sure that the belt is put correctly around
the idler pulley and installed correctly in the
engine pulley groove.
8. Install the cable cover (F) and the 5/16" nut on
the frame.
Make sure that the
876 - 014 - 19.05.2021