Toro 22308 Operator's Manual page 33

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 62).
6. Lower the traction unit to the ground.
Replacing the Tracks
When the tracks are badly worn, replace them.
1. Lower the loader arm, 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 62).
4. Using a 1/2 inch drive socket, release the drive
tension by turning the tensioning screw clockwise
(Figure 62 and Figure 63).
1. Track
2. 1/2 inch socket
3. Tension wheel
4. Fork tube
5. Push the tension wheel toward the rear of the unit
to move the fork tube against the frame (Figure 63).
(If it does not touch the frame, continue turning the
tensioning screw until it does.)
6. Begin removing the track at the top of the tension
wheel, peeling it off of the wheel while rotating the
track forwards.
7. When the track is off of the tension wheel, remove it
from the drive sprocket and road wheels (Figure 63).
8. Beginning at the drive sprocket, coil the new track
around the sprocket, ensuring that the lugs on
Figure 63
5. Track lug
6. Drive sprocket
7. Sprocket spacer
8. Road wheels
the track fit between the spacers on the sprocket
(Figure 63).
9. Push the track under and between the road wheels
(Figure 63).
10. Starting at the bottom of the tension wheel, install
the track around the wheel by rotating the track
rearward while pushing the lugs into the wheel.
11. Turn the tensioning screw counter-clockwise until
the distance between the tension nut and the back of
the fork tube (Figure 61) is 2-3/4 inches (7 cm).
12. Align the closest notch in the tension screw to the
locking bolt hole and secure the screw with the
locking bolt and nut.
13. Lower the traction unit to the ground.
14. Repeat steps 2 through 13 to replace the other track.
Checking and Greasing the Road
Wheels
Service Interval: Every 250 hours
1. Remove the tracks; refer to Replacing the Tracks.
2. Remove the 4 bolts securing each lower track guide
which contains the road wheels, and remove them
(Figure 64).
1. Road wheels
2. Lower track guide
3. Remove the snap ring and cap from a road wheel
(Figure 65).
33
Figure 64
3. Track guide bolts (only two
shown)