Husqvarna ST 224 Manual De Usuario página 18

Drive belts
WARNING: The v-belts on your 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: The belt replacement 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
belt on page 18 .
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).
18
To remove the auger
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'' bolts (A) and the lower ¼" bolts
(B) from the 2 sides of the frame assembly. Do not
discard the bolts. (Fig. 76)
2. Loosen but do not remove the lower 5/16" bolts (C)
on the 2 sides of the frame assembly.
3. Remove the auger belt from the engine pulley.
4. Tilt the rear section down. The front section is tilted
forward at the same time. The bottom bolt (C) is a
hinge between the front and rear sections.
5. Put a wooden block below the hinge point to set the
product in the tilted position.
6. Move the auger belt tensioner arm and remove the
auger belt from around the arm.
To install the auger belt
1. Move the belt tensioner arm and put the auger belt
around and in the groove of the auger pulley.
CAUTION: Make sure that the 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 handle to tilt the rear section up. The front
section will tilt back and pivot to attach the rear
section.
1481 - 003 - 11.05.2020