Drive Belts - Husqvarna ST 324 Manuel D'utilisation

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.
72)
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. Using other than OEM belts 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.
Note:
The auger and traction drive belts are not
adjustable. Replace the belts if they are damaged or
begin to slip from wear. It is recommended to have
the belts replaced by a qualified service center.
Note:
It is recommended to replace the drive belt
and auger belt at the same time.
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. 73)
3. Loosen the two screws (A) that secure the belt
cover (B) to the frame (C) and remove the belt
cover. (Fig. 74)
To remove the drive belt
1. Remove the auger belt. See
auger belt on page 18 .
18
Do not put your
The v-belts on your
The belt replacement
To remove the
2. Remove the tensioner spring (A) attached to the
drive belt tensioner arm (B). (Fig. 75)
3. Remove the return spring (C) holding the swing
plate (D) in place.
4. Remove the arm bolt (E) and drive belt tensioner
arm.
5. Remove the pulley bolt (F), engine pulley (G) and
drive belt (H) from the engine.
6. Remove the top bolt (I) holding the swing plate to
the frame
7. Pivot and hold the swing plate away from the
product and remove the drive belt from the drive
pulley (J).
To install the drive belt
1. Pivot and hold the swing plate (D) away from the
product. (Fig. 75)
2. Put the drive belt (H) onto the drive pulley (J).
Note:
Make sure that the drive belt is routed in
the drive pulley groove properly before you lower
the swing plate.
3. Install and tighten the top bolt (I).
4. Put the drive belt in the grove of the engine
pulley (G) before installing on the engine shaft.
5. Install the pulley bolt (F) and attach the engine
pulley on the engine. Tighten the pulley bolt
(30-35 Ft. Lbs. / 41-47 Nm).
6. Install the drive belt tensioner arm (B) and tighten
the arm bolt (E) on the engine.
7. Install the return spring (C) on the swing plate.
8. Install the tensioner spring (A) on the tensioner
arm.
9. Operate all controls to make sure that the drive
belt is installed correctly and that all components
are moving correctly.
To install the belt cover
1. Install the belt cover (B) on the frame (C) and
tighten the two screws (A). (Fig. 74)
2. Install the discharge chute.
To remove the auger belt
1. Remove the 5/16'' nut and the cable cover (E)
from the frame. (Fig. 76)
2. Remove the top 5/16'' bolts and 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.
4. Remove the auger belt (B) from the engine pulley
(A).
5. Tilt the rear section down. The front section will
tilt forward at the same time. The bottom bolt is a
hinge between the front and rear sections.
1674 - 004 - 18.05.2021