Toro Workman 3000 Series Service Manual page 421

Inspection (Fig. 70)
1. Replace cage (12) if it is bent, cracked, or broken.
Corrosion that can not be cleaned up with light polishing
is not acceptable.
2. Replace spring (11) if flattened or distorted.
3. Replace thrust washer (10) if flat surfaces are pitted,
gouged, or distorted.
4. Replace thrust bearing (9) if bent, distorted, or the
needles do not spin freely.
5. Replace rollers (7) or cam (8) if any of the following
conditions occur:
A. Contact surfaces have excessive spalling or pit-
ting. Peeling, gouges, or nicks are present.
B. Corrosion that can not be cleaned up with light
polishing is present.
C. Roller ends are worn or scored. The rolling sur-
face of the roller has any flat spots.
6. Replace garter spring (6) if it is distorted in any way
that the rollers (7) are not held snuggly by the cam (8)
and cage (12) when assembled (Fig. 71).
7. Replace ball bearings (4) if any of the following
conditions occur:
A. Play between bearing races and balls is exces-
sive. The bearing cage is cracked or distorted.
B. The inner or outer bearing races are cracked,
distorted, discolored from over heating, or cor-
roded.
C. The balls are nicked, distorted, discolored from
over heating, or corroded.
8. Replace oil seal (13) if its metal ring is distorted or
bent. Distortion, cracks, or tears of the rubber seal is not
acceptable.
9. Replace adapter plate (14) if the contact surface
with the oil seal is nicked, cracked, or distorted (Fig. 74).
Workman 4000 Series
1
2
1. Thrust bearing
Page 10 – 35 Front Wheel Drive Section – 4WD (Rev. F)
Figure 71
Figure 72
Figure 73
2. Cam
CONTACT SURFACE
Figure 74