Section 5 - ADJUSTMENTS & REPAIR
5.11MOWER 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 5.19.
REMOVE NUT
•REMOVE BELT
FROM SPINDLE
J
r | !_ | ;_M_VE BLADE |
FIGURE 5,19
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 5.20.
5.Thoroughly clean all parts removing all old contaminated grease.
6.Install new bottom bearing first.
7.NOTE: The bearing is sealed/shielded on one
side only. The bottom bearing must be installed with the sealed/shielded side DOWN.
8.Insert spindle shaft up through the bottom bearing. Slide spacer down over spindle shaft.
9.Install new top bearing. Install the top bearing with the seal/shield UP.
10.Slide circular retaining ring down spindle shaft until it fully locks into groove on shaft.
11.Apply a generous amount of
12.Place spindle pulley and spacer on top of spindle shaft.
13ReinstaII blade bolt, washer, blade and four spacers. See Figure 5.15
14.Torque blade bolt and nut to 70 to 80 ft. Ibs.
15.Pump grease into spindle housing until grease purges from vent on housing.
16.After the first 5 hours of operation, grease spindle housing to insure it is full, then every 25 hours.
IMPORTANT: Spindle housing must be filled with grease before operating mower. Failure to fill housing will cause premature bearing failure.
®
|
|
| •_PULLEY |
|
| _1 | SPACER |
|
| • | NYLOS SEAL |
i BEARING | l | _ C%" | RETAINING RING |
SEAL UP |
| _L._t | BEARING |
HOUSING
SPINDLE
{_1"SPACER
DOWN | • | BEARING |
I BEARING SEAL | I |
|
SHAFT
SPINDLE
FIGURE 5.20
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