Service Manual

Greensmaster 3250−D
SPA and 4−Bolt Cutting Units (Rev. A)
Page 7 − 24
Bearing Replacement for Standard Rear Roller
1. Roller tube
2. Shaft
3. Shield washer
4. Retaining Ring
5. Grease fitting
6. Bearing
Figure 45
4
5
3
6
1
6
3
1 6
2 5
4
1.495 to 1.525 inch
(3.797 to 3.874 cm)
Removal
1. Clean inside of the roller tube around the shaft and
shield washer. Both ends of the roller tube should be free
of dirt and debris.
2. Secure roller tube in a vise keeping it level.
3. Remove both grease fittings from the shaft before
removing the bearings to prevent damage to fittings.
4. Remove retaining rings from both ends of the roller
tube.
5. Use a soft hammer to pound the shaft, shield wash-
er, and bearing out of the roller tube. Remove shield
washer and bearing from the shaft.
6. Pull remaining shield washer and bearing from the
roller tube.
Installation
IMPORTANT: Replace both bearings with new bear-
ings since both bearings may be damaged during
removal.
1. Clean inside of roller tube around bearing recess.
Both ends inside the roller tube should be free of dirt and
debris.
2. Press bearing into the roller tube with the seal side
facing out.
A. Install shield washer onto the shaft.
B. Make sure dimension of 1.495 to 1.525 inch
(3.797 to 3.874 cm) between washer and the end of
shaft is maintained.
C. Make sure outer surface of the washer does not
overlap the retaining ring groove.
3. Apply antiseize lubricant to the bearing ends of the
shaft. Insert shaft through the roller tube and bearing in-
ner race.
4. Press second bearing into the roller tube and onto
the shaft with the seal side facing out.
A. Install shield washer onto the shaft.
B. Make sure dimension of 1.495 to 1.525 inch
(3.797 to 3.874 cm) between washer and the end of
shaft is maintained.
C. Make sure outer surface of the washer does not
overlap the retaining ring groove.
5. Install both retaining rings so the side with the sharp
edges faces the end of the shaft.
6. Make sure roller tube spins freely with no bearing
end play.
7. Install grease fittings. Lubricate bearings with No. 2
general purpose lithium base grease until the grease
appears from each shield washer. Wipe off excess
grease from each shield washer.