Toro 3200, Service Manual

Page: 258 / 274

Roller Bearing Replacement (All Rollers except Wiehle Rear Roller)
3
1
4
2
5
2
1
4
3
5
BEARING RECESS
Figure 29
1. Shaft 3. Roller tube
2. Bearing 4. Grease fitting
Removal
1. Clean inside of roller around the shaft and bearing.
Both ends of the roller should be free of dirt and debris.
2. Secure roller tube in a vise keeping it level.
IMPORTANT: On rollers with the grease fittings at-
tached to to the end of the roller shaft, Remove both
grease fittings before removing the bearings.
3. Remove retaining ring from the both ends of the roll-
er.
4. Use a soft hammer to pound the shaft and bearing
out of the roller. Remove bearing from the shaft.
5. Pull the remaining bearing from the roller.
Installation
IMPORTANT: Replace both bearings with new bear-
ings since both bearings may be damaged during
removal.
1. Clean inside of roller around bearing. Both ends in-
side the roller should be free of dirt and debris.
2. Press bearing into the roller with the seal side facing
outward. Make sure bearing is recessed from the
end of the roller as described in the table above.
5. Retaining Ring
ROLLER TORO
PART NO.
BEARING
RECESS
Full Rear 93–2465 0.220 to 0.240 in
(5.89 to 6.10 mm)
Narrow Wiehle 94–8171 0.020 to 0.040 in
(0.508 to 1.02
mm)
Full Front 94–3478 0.210 to 0.250 in
(5.33 to 6.35 mm)
Wide Wiehle 93–2468 0.020 to 0.040 in
(0.508 to 1.02
mm)
3. Apply antiseize lubricant to the bearing ends of the
shaft. Insert shaft through the roller and bearing inner
race.
4. Press second bearing with the seal side facing out
into the roller and onto the shaft. Make sure bearing is
recessed from the end of the roller as described in the
table above.
IMPORTANT: Install both retaining rings so the
concave side faces the bearing.
5. Make sure the roller spins freely. The maximum rol-
ling torque allowed is 5 in–lb (5.8 kg–cm) with no bearing
end play.
6. Install grease fittings. Lubricate bearings (see Lu-
brication).
Cutting Units Page 8 – 24 Greensmaster 3200/3200–D