Roller Bearing Replacement
3
6
8
10
12
1
4
7
9
11
2
11
9
7
5
12
10
8
6
Figure 28
1.
2.
3.
4.
Roller tube (front roller shown)
Roller shaft
Grease fitting
5.
6.
7.
8.
Jam nut
9. O−ring
10. Bearing cone
11. Bearing cup
Trust washer
Outer grease seal
Wear sleeve
Lock nut
12. Inner grease seal
Removal
WARNING
1.
Clean roller around the shaft, grease fittings, and
bearing thoroughly. Both ends of the roller should be
free of dirt and debris.
If removing bearing cups from a rear roller with
an arc welder, make sure the entire roller is free of
oil. Clean inside and out side thoroughly.
2.
Secure roller tube in a vise keeping it level.
3.
bearings.
Remove both grease fittings before removing the
Note:
An electric arc welder can be used to shrink the
bearing cup to simply its removal. Only a small arc in one
location on the cup is required.
4.
Remove jam nut, lock nut, and both thrust washers
from the roller shaft. Pull both outer grease seals from
inside the roller tube.
9.
Remove both bearing cups from the roller tube.
Installation
5.
Use a soft hammer to pound the shaft, wear sleeve,
O−ring, and bearing cone out of the roller tube. Remove
wear sleeve, O−ring, and bearing cone from the shaft.
IMPORTANT: Replace both bearing cones and cups
with new ones, since both bearing cones and cups
may be damaged during removal.
6.
Pull remaining wear sleeve, O−ring, and bearing
cone from the roller.
1.
Make sure all parts are cleaned thoroughly. Inside
of roller tube should be free of dirt and debris.
7.
Pull both inner grease seals from inside the roller
tube. Discard all four grease seals and both O−rings.
2.
On the front roller, press new inner grease seals into
the roller tube with the garter spring of the seal facing
away from the center of the roller (Fig. 29).
8.
the roller into a suitable container.
If disassembling a rear roller, pour oil from the inside
Cutting Units
Page 7 − 16
Reelmaster 4000−D
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 4000 D, Toro 98958SL |
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| Document Type | Catalog |
| Language | English |
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| Publisher | toro.com |
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