Toro 22321 Operator's Manual page 32

1. Track
2. Drive sprocket
Adjusting the Track Tension
There should be 2-3/4 inches (7 cm) between the tension
nut and the back of the tension tube (Figure 40). If not,
adjust the track tension using the following procedure:
1. 2-3/4 inches (7 cm)
1. Lower the loader arms, stop the engine, and remove
the key.
2. Lift/support the side of the unit to be worked on so
that the track is off of the ground.
3. Remove the locking bolt and nut (Figure 41).
Figure 39
3. Road wheels
4. Tension wheel
Figure 40
1. Locking bolt
2. Tensioning screw
4. Using a 1/2 inch drive socket wrench (Figure 42),
turn the tensioning screw counter-clockwise until the
distance between the tension nut and the back of the
tension tube (Figure 40) is 2-3/4 inches (7 cm).
5. Align the closest notch in the tension screw to the
locking bolt hole and secure the screw with the
locking bolt and nut (Figure 41).
6. Lower the traction unit to the ground.
Replacing the Tracks (Models 22321
and 22321G)
When the tracks are badly worn, replace them.
1. Lower the loader arms, stop the engine, and remove
the key.
2. Lift/support the side of the unit to be worked on
so that the track is 3 to 4 inches (7.6 to 10 cm) off
of the ground.
3. Remove the locking bolt and nut (Figure 41).
4. Using a 1/2 inch drive socket wrench, release
the drive tension by turning the tensioning screw
clockwise (Figure 41 and Figure 42).
32
Figure 41
3. Tension tube
4. Tension wheel