Toro Groundsmaster 300 Series Service Manual page 252

39. Inspect the thrust bearing side of the drive plate
(Fig. 53) for brinelling (dents) or spalling (flaking). The
flat sides of the input shaft engagement hole should not
be grooved or worn. If any of these conditions in steps
38 and 39 are present, the drive plate must be replaced.
40.Remove the face seal, back-up ring, and face seal
spacer from the upper cover plate (Fig. 54). Discard the
face seal and back-up ring. Keep the metal spacer.
41. Remove the thrust bearing and bearing spacer from
the upper cover plate (Fig. 55).
42. Inspect the thrust bearing for brinelling (dents) or
spalling (flaking), if either exists, or if one or more of the
rolls are lost or broken, replace the bearing assembly.
Replace the seal spacer or bearing spacer if worn or
broken.
Repairs Page 8 - 32
Figure 53
Figure 54
Figure 55
®
Groundsmaster 300 Series