Toro STX-38 Operator's Manual page 32

Figure 49
1. Tensioning wheel
6. Begin removing the track at the top of the tensioning
wheel, peeling it off of the wheel while rotating the
track forwards.
7. When the track is off of the tensioning wheel, remove
it from the machine
8. Beginning at the drive sprocket, coil the new track
around the sprocket, ensuring that the lugs on the
inside of the track fit between the spacers on the
sprocket (Figure 46).
9. Push the track under and between the rear and center
road wheels (Figure
10. Starting at the bottom of the tensioning wheel, install
the track around the wheel by rotating the track
rearward while pushing the lugs into the wheel.
11. Install the tensioning bolt and jam nut.
12. Torque the tensioning bolt to 24 to 30 ft-lb (32.5 to 40
N-m) to tighten the track.
13. Ensure that the track deflects less than 1/4 to 3/8 inch
(0.6 to 1 cm) when 45 lb (20.6 kg) of force is applied
to the track span. Adjust the torque on the tensioning
bolt as needed.
14. Tighten the jam nut.
15. Lower the machine to the ground.
16. Repeat steps 3 through
Checking and Greasing the Road
Wheels
Service Interval: Every 250 hours
1. Remove the tracks; refer to
31).
2. Remove the 4 bolts securing each lower track guide
which contains the road wheels, and remove them
(Figure 50).
(Figure 49).
46).
15 to replace the other track.
Replacing the Tracks (page
1. Road wheels
2. Lower track guide
3. Remove the snap ring and cap from a road wheel
(Figure 51).
1. Road wheel
2. Road wheel 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, contact your Authorized Service
Dealer to replace the road wheel.
6. Place the greased road wheel cap over the bolt head
(Figure 51).
7. Secure the road wheel cap with the snap ring
51).
8. Repeat steps 3 through
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).
32
Figure 50
3. Track guide bolts (only two
shown)
Figure 51
3. Snap ring
7 for all road wheels.
(Figure