Replacing The Cutting Unit Hinge Covers; Tightening The Locknuts - Toro 30411 Groundsmaster 4100-D Operator's Manual

Figure 86
1. Castor wheel
2. Castor pivot arm
2. Remove the bearing from the wheel hub and
allow the bearing spacer to fall out (Figure 85
and Figure 86). Remove the bearing from the
opposite side of the wheel hub.
3. Check the bearings, spacer, and inside of the
wheel hub for wear. Replace any damaged
parts.
4. To assemble the castor wheel, push the bearing
into the wheel hub. When installing the
bearings, press on the outer race of the bearing.
5. Slide the bearing spacer into the wheel hub.
Push the other bearing into the open end of
the wheel hub to captivate the bearing spacer
inside the wheel hub.
6. Install the castor wheel assembly between the
castor fork and secure it in place with the bolt
and locknut.
Replacing the Cutting Unit
Hinge Covers
The hinge cover prevents debris from escaping at
hinge points between cutting units. If cover(s) ever
become damaged or worm they must be replaced.
3. Bearing
4. Bearing spacer
Figure 87
1. Hinge cover

Tightening the Locknuts

After the first 50 hours, the lock nuts on the lower
pivot links (Figure 88), the lift arm pins (Figure 89)
and the wing deck cylinder mounts (Figure 90)
must be torqued to 160 to 180 ft-lb (216 to 244
N⋅m).
Figure 88
1. Lower pivot link nut (4)
54