Cub Cadet Z-Wing - Manual (Page 66)

Cub Cadet Commercial Z-Wing
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27.5. The caster yokes each pivot on a pair of Timken
tapered roller bearings. They can be reached for
service by removing the grease cap that covers
each one. See Figure 27.5.
27.6. Remove and discard the cotter pin that secures
the castle nut.
27.7. Remove the nut using a 1 1/8” wrench. It may be
necessary to brace the yoke using a 2X4 to pre-
vent it from rotating.
27.8. There is a spacer above the top of the upper
bearing and below the bottom bearing.
27.9. The caster yoke can be pushed-out of the bear-
ings with hand force or driven using a soft ham-
mer or drift. See Figure 27.9.
27.10.The spacer at the bottom provides a surface for
the lip of the seal to ride against.
See Figure 27.10.
27.11. The spacer is easily removed.
NOTE: The seal is only used at the bottom, the
top is taken care of by the grease cap.
27.12.The seal and lower bearing cone can be gently
pushed-out together using a soft drift.
See Figure 27.12.
27.13.Bearing Service:
• Bearings may be cleaned, inspected, re-packed,
and reinstalled if they are undamaged.
• If bearing cones are replaced, the corresponding
races should be replaced as well.
• Keep bearings associated with the races that
they have been worn-into.
Figure 27.5
Grease cap
Nut
Figure 27.9
Upper spacer
Upper
bearing
Lower spacer
Figure 27.10
Seal
Spacer
Figure 27.12
Bearing races
Lower bearing cone
Seal