Toro Groundsmaster 4000, Operator'S Manual

Page: 78 / 88

Servicing the Caster
Wheels and Bearings
Service Interval: Every 800 hours
1. Remove the locknut from the bolt holding the
caster-wheel assembly between the caster fork
(
Figure 124 ) or the caster-pivot arm ( Figure
125 ).
Note:
Grasp the caster wheel and slide the bolt
out of the fork or pivot arm.
g004738
Figure 124
1. Caster bolt 3. Bearing
2. Caster fork 4. Bearing spacer
g004739
Figure 125
1. Caster wheel 3. Bearing
2. Caster-pivot arm 4. Bearing spacer
2. Remove the bearing from the wheel hub and
allow the bearing spacer to fall out (
Figure 124
and Figure 125 ).
3. Remove the bearing from the opposite side of
the wheel hub.
4. Check the bearings, spacer, and inside of the
wheel hub for wear and replace any damaged
parts.
5. To assemble the caster wheel, push the bearing
into the wheel hub.
Note:
When installing the bearings, press on
the outer race of the bearing.
6. Slide the bearing spacer into the wheel hub and
push the other bearing into the open end of the
wheel hub to captivate the bearing spacer inside
the wheel hub.
7. Install the caster-wheel assembly between the
caster fork and secure it in place with the bolt
and locknut.
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