Toro 22331 TX 420, Operator'S Manual

Page: 38 / 52

Figure 51
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 51). 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 51).
7. Secure the road wheel cap with the snap ring
(Figure 51).
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 67 to 83 ft-lb (91 to 112 N-m).
10. Install the tracks; refer to Replacing the Tracks.
Belt Maintenance
Inspecting/Replacing the Drive
Belt
Service Interval: Every 25 hours—Inspect the drive
belt for wear or damage.
Every 200 hours—Replace the drive
belt.
Replace the belt if you find any signs of wear, cracks, or
damage or after 200 operating hours, whichever comes
first.
To replace the drive belt, complete the following
procedure:
Note:
To complete this procedure, you will need a
sturdy metal hook to disconnect the idler pulley spring,
such as the Spring Removal Tool (Toro part number
92–5771) available for order from you Authorized
Service Dealer.
1. Lower the loader arms, stop the engine, and remove
the key.
2. Open the hood.
3. Connect the hook on the spring removal tool to the
hook on the idler pulley spring, and disconnect the
spring from the stud as illustrated in Figure 52.
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