Adjusting the Track Tension
Check and adjust the track tension after the first
50 operating hours and every 100 operating hours
thereafter. There should be 2-3/4 inches (7 cm)
between the tension nut and the back of the
tension tube (Figure 37). If not, adjust the track
tension using the following procedure:
Figure 37
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 38).
Figure 38
1. Locking bolt
3. Tension tube
2. Tensioning screw
4. Tension wheel
4. Using a 1/2 inch drive socket (Figure 39), turn
the tensioning screw counter-clockwise until
the distance between the tension nut and the
back of the tension tube (Figure 37) 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 38).
6. Lower the traction unit to the ground.
Replacing the Tracks (TX 420, Model
22306)
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 38).
4. Using a 1/2 inch drive socket, release the
drive tension by turning the tensioning screw
clockwise (Figure 38 and Figure 39).
Figure 39
1. Track
5. Track lug
2. 1/2 inch socket
6. Drive sprocket
3. Tension wheel
7. Sprocket spacer
4. Fork tube
8. Road wheels
5. Push the tension wheel toward the rear of the
unit to move the fork tube against the frame
(Figure 39). (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.
34
Содержание 22306
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