KB21 Service Manual Pub 09-14
88
Mowers & Spindles
Spindle Housing Assembly
If installing new bearings, be sure to install new bearing cups (races). When installing the bearing cups,
make sure that they are properly seated into the housing. DO NOT DRIVE AGAINST THE BEARING
SURFACE. All parts should be thoroughly cleaned. The bearing nut, the lower seal and the motor
Place a thin coat of silicone on the inside (tapered side) of the bearing ring (Fig-N). Place the bearing ring (Fig-O)
piece of 2-3/4” 16 gauge tubing, 8” long to drive the bearing ring down on to the spindle until the bearing
ring bottoms out against the spindle (Fig-P). Remove any excess silicone from the spindle shaft and bearing ring.
Turn the housing upside down so that the bearing seal and retaining ring may be installed. Lubricate the
seal prior to installation (Fig-R).
FIGURE - O FIGURE - P
FIGURE - Q FIGURE - R
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