21
Section 3: Mower Deck
7/30/12
ZSR54 & ZSR60 Accu-Z Razor
®
Zero Turn Mowers 357-388SM
Table of Contents
Figure 3-12
33720
Refer to Figure 3-12:
14. Thread the blade hub onto the spindle shaft. Ensure
that the stepped bearing surface is facing the lower
bearing and tighten until firmly secured against the
lower bearing.
15. Loosen and remove the spindle shaft from the vice
and set aside on a clean surface for installation in
spindle hub. Secure the spindle hub in vice with the
top side up.
16. Apply a light coat of grease to the upper spindle
shaft. Align and install the spindle shaft assembly
though the bottom the spindle hub assembly. With a
rubber mallet, tap the blade hub to fully seat the
lower bearing into the spindle hub.
17. Loosen vice, turn the spindle hub assembly over and
re-secure in vice with the blade hub down and
against the vise clamps to prevent lower bearing
from being driven out during installation of the top
bearing.
18. With bearing set tool or pipe, install the top bearing
over the spindle shaft. Ensure that the metal shield is
installed out, away from the spindle hub assembly,
and that the bearing is fully seated in the spindle hub.
19. Install grease zerk in the top of the spindle shaft and
tighten hand tight. Attach grease gun and fill the
spindle hub assembly until grease comes out the
purge hole on the upper bearing.
20. Remove spindle hub assembly from vice. If the
spindle hub is not going to be installed in mower,
install the spindle pulley and key onto the spindle.
