KB21 Service Manual Pub 09-14
89
Mowers & Spindles
FIGURE - S FIGURE - T
FIGURE - U FIGURE - V
Install the lower bearing race and bearing. Install the seal to approximately 1/4” from the edge of the
housing (FIG -S). Place the retaining ring in the housing on top of the seal. Using a suitable driver, EVENLY press
the seal and retaining ring into the housing until the retaining ring snaps into place in the ring groove (FIG -T). Be
spindle
sure the retaining ring is in the groove all the way around and the seal is against the retaining ring.
Place the spindle shaft with the bearing ring installed into the spindle housing. Turn the assembly over so that the
housing is sitting upright and the spindle shaft is supporting the housing (FIG-U). Use the 2-3/4” tube to drive the
lower bearing down onto the bearing ring. BE SURE THAT THE BEARING IS FULLY SEATED ONTO THE
SPINDLE (FIG -V). If the bearing ring is not seated, or if the bearing is not properly seated against the
bearing ring, the assembly will lose bearing preload and rapidly fail.
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