Toro 22317 Service Manual page 147

CHAIN DRIVE/DRIVE SYSTEM
7. Install the outer bearing (Fig. 0453).
8. Install the washer (Fig. 0454).
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DSC-0327a
Fig. 0453
DSC-0329a
Fig. 0454
9. Install the castle nut (Fig. 0455).
10. Using a 1-1/8" socket, tighten the nut to seat the
bearings then back it off. Back off nut so first slot in
nut aligns with hole in axle (Fig. 0456).
Toro Wheeled CUL Service Manual
DSC-0330a
Fig. 0455
DSC-0333a
Fig. 0456