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Section 5 - ADJUSTMENTS & REPAIR
5.8 MOWER SPINDLES (Field Serviceable Spindles)
BEARING REPLACEMENT
In the event that a spindle bearing requires
replacement, the SNAPPER Field Serviceable
Spindles have been designed so that no special
tools or presses are required.
1. Remove belt. Loosen blade nut and remove.
Allow blade bolt, washer, blade and four spacers to
drop down out of the spindle housing. See Figure
5.10.
FIGURE 5.10
2. Remove spindle pulley from spindle shaft.
3. Locate circular retaining ring on spindle shaft at
top bearing. Remove retaining ring. Allow spindle
shaft to drop out of housing.
4. Top and bottom bearings are now removable.
Pull out on inner race to slide bearing from
housing. See Figure 5.11.
FIGURE 5.11
5. Thoroughly clean all parts removing all old
contaminated grease.
6. Install new bottom bearing first.
NOTE: The bearing is sealed/shielded on one
side only. The bottom bearing must be installed
with the sealed/shielded side DOWN.
7. Insert spindle shaft up through the bottom
bearing. Slide spacer down over spindle shaft.
8. Install new top bearing. Install the top
bearing with the seal/shield UP.
9. Slide circular retaining ring down spindle
shaft until it fully locks into groove on shaft.
10. Place spindle pulley and spacer on top of
spindle shaft.
11. Reinstall blade bolt, washer, blade and four
spacers.
12. Torque blade bolt and nut to 60 to 75 ft. lbs.
IMPORTANT: Spindle housing must be filled
with grease before operating mower. Failure
to fill housing will cause premature bearing
failure.
13. Pump grease into spindle housing until
grease purges from vent on housing.
14. After the first 5 hours of operation, grease
spindle housing to insure it is full, then every 25
hours.
REMOVE BLADE
BOLT
REMOVE BELT
FROM SPINDLE
REMOVE NUT
PULL
EY
RETAINING RING
BEARING
SPINDLE
HOUSING
SPACER
BEARING
SPINDLE
SHAFT
BEARING
SEAL UP
BEARING SEAL
DOWN