Toro Workman 3000 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 (Fig. 61 and 62).
Workman 3000/4000 Series
UNDAMAGED
GROOVE
DAMAGED
GROOVE EDGES
Page 6 – 35
Figure 61
Figure 62
Drive Train