Toro TX 427 22342HD, Operator'S Manual

Page: 37 / 52

11. Turn the tensioning screw counter-clockwise until the
distance between the tension nut and the back of the
tension tube (
Figure 46 ) is 7 cm (2-3/4 inches).
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.
Maintaining the Road Wheels
1. Remove the tracks; refer to Replacing the Tracks (page
36) .
2. Remove the 4 bolts securing each lower track guide
which contains the road wheels, and remove them
(
Figure 49 ).
Figure 49
1. Road wheels
3. Track guide bolts (only 2
shown)
2. Lower track guide
3. Remove the snap ring and cap from a road wheel
(
Figure 50 ).
Figure 50
1. Road wheel 4. Road wheel cap
2. Gasket 5. Snap ring
3. Bolt 6. Add grease under the cap
4. Check the grease under the cap and around the gasket
(
Figure 50 ). If it is dirty, gritty, or depleted, clean out all
of the grease, replace the gasket, and add new grease.
5. Ensure that the road wheel turns smoothly on the
bearing. If it is frozen, replace the road wheel as
described in the
Road Wheel Kit Installation Instructions or
contact your Authorized Service Dealer for repair.
6. Place the greased road wheel cap over the bolt head
(
Figure 48 ).
7. Secure the road wheel cap with the snap ring ( Figure
48 ).
8. Repeat steps 3 through 7 for the other road wheels.
9. Install each track guide to the traction-unit frame using
the fasteners you removed previously. Torque the bolts
to 91 to 112 N∙m (67 to 83 ft-lb).
10. Install the tracks; refer to Replacing the Tracks (page
36) .
37