Toro Groundsmaster 4500-D Service Manual page 237

5. Install lower bearing and seal into bottom of spindle
housing. Note: The bottom seal must have the lip facing
2
out (down) (Fig. 7).
6. Slide spacer ring and inside spacer into spindle
housing, then install upper bearing and seal into top of
housing. Note: The upper seal must have the lip facing
out (up) (Fig. 7).
7. Inspect the spindle shaft to make sure it is free of
burrs or nicks that could possibly damage the seals. Lu-
bricate the shaft with grease.
8. Install spindle spacer onto shaft. Carefully slide
spindle shaft through spindle housing. The bottom seal
and spindle spacer fit together when the spindle is
1
installed fully.
Figure 7
9. Thread spindle nut onto shaft and tighten nut from
130 to 160 ft--lb (177 to 216 N--m).
1. Bottom seal installation 2. Upper seal installation
10.Install spindle plug to top of spindle housing. Attach
a hand pump grease gun to either grease fitting and fill
housing cavity with grease until grease starts to come
out of lower seal. Note: Pneumatic grease guns can
produce air pockets when filling large cavities.
11. Install blade spindle to cutting deck (see Blade
Spindle Installation).
Groundsmaster 4500--D/4700--D Page 8 - - 11 Cutting Units (Rev. B)