Toro Workman HD Series Service Manual page 107

9. Inspect center plate for cracks and damage. Replace
center plate if the snap ring groove has more than 15%
of its edges damaged due to nicks, rounding, cracks or
dents.
10.Inspect reduction shaft for wear or damage. If O.D.
of outer needle bearing area is less than 0.864 in. (21.95
mm) or inner needle bearing area is less than 0.982 in.
(24.95 mm), replace the reduction shaft.
11. Inspect countershaft for wear or damage. If O.D. of
inner portion is less than 1.100 in. (27.95 mm) or 71T
gear portion is less than 1.179 in. (29.95 mm), replace
the countershaft.
Workman HD Series
UNDAMAGED
GROOVE
DAMAGED
GROOVE EDGES
1. Reduction shaft
2. Outer bearing area
1. Countershaft
2. Inner portion
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Figure 60
Figure 61
1
2
3
Figure 62
3. Inner bearing area
1
2 3
Figure 63
3. Gear portion
Drive Train