Toro TX 427 Operator's Manual page 37

9. Remove the nut securing the inner tension
wheel and remove the wheel
10. Pull the 4 large washers out of the 2 wheels, 1
on each side of each wheel.
11. Clean the old grease and dirt out of the area
between where the washers were installed and
the bearings inside the wheels, then fill this area
on each side of each wheel with grease.
12. Install the large washers on the wheels over the
grease.
13. Install the inner tension wheel and secure it with
the nut removed previously
14. Torque the nut to 407 N∙m (300 ft-lb).
15. Install the new track, ensuring that the lugs in
the track fit between the cogs in the middle of
the drive sprocket
16. Install the outer tension wheel and secure it with
the nut removed previously
17. Torque the nut to 407 N∙m (300 ft-lb).
18. Turn the tensioning screw counterclockwise until
the distance between the tension nut and the
back of the tension tube
(2-3/4 inches).
19. Align the closest notch in the tension screw to
the locking bolt hole and secure the screw with
the locking bolt and nut.
20. Lower the traction unit to the ground.
21. Repeat steps 3 through
track.
Maintaining the Road Wheels
1. Remove the tracks; refer to
Tracks (page 35).
2. Remove the 4 bolts securing each lower track
guide which contains the road wheels, and
remove them (Figure
1. Road wheels
2. Lower track guide
(Figure 49).
(Figure 49).
(Figure 49).
(Figure 49).
(Figure 46) is 7 cm
20 to replace the other
Replacing the
50).
Figure 50
3. Track guide bolts (only 2
shown)
3. Remove the snap ring and cap from a road
wheel (Figure
1. Road wheel
2. Gasket
3. Bolt
4. Check the grease under the cap and around
the gasket
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
7. Secure the road wheel cap with the snap ring
(Figure 48).
8. Repeat steps
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
(page 35).
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37
51).
Figure 51
4. Road wheel cap
5. Snap ring
6. Add grease under the cap
(Figure 51). If it is dirty, gritty, or
48).
3 through 7 for the other road
Replacing the Tracks
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