Toro groundsmaster 455-D - Castor Wheel and Bearing Service

Castor Wheel and Bearing Service
A wobbly castor wheel usually indicates a worn bearing.
1. Remove locknut from capscrew holding castor wheel
assembly between front castor fork or rear castor pivot
arm. Grasp castor wheel and slide capscrew out of fork
or pivot arm.
2. Remove bearing from wheel hub and allow bearing
spacer to fall out. Remove bearing from opposite side
of wheel hub.
3. Check the bearings, spacer and inside of wheel hub
for wear. Replace defective parts.
4. To assemble the castor wheel, push bearing into
wheel hub. Slide bearing spacer into wheel hub. Push
other bearing into open end of wheel hub to captivate
the bearing spacer inside the wheel hub.
5. Install castor wheel assembly between castor fork
and secure in place with capscrew and locknut.
6. Lubricate castor wheel bearing through grease fitting,
using No. 2 general purpose lithium base grease.
Figure 22
1. Castor wheel 3. Bearing (2)
2. Front castor fork 4. Bearing spacer
Figure 22
1. Castor wheel 3. Bearing (2)
2. Rear castor pivot arm 4. Bearing spacer
2
1
3
4
2
1
3
4
Repairs Page 8 - 14 Groundsmaster
®
455-D