Toro Greensmaster 3120 Service Manual page 266

Installing the Rear Roller (continued)
Disassembling the Roller
DPA Cutting Units: Service and Repairs
4. Install the remaining rear roller retainer assembly.
5. Center the rear roller in the cutting unit and tighten the flange nuts at each
of the retainer assemblies.
6. Check to make sure the rear roller and the cutting reel are parallel; refer to
Leveling the Rear Roller (page
g206889
1. Bearing lock nut
2. V-ring
3. Seal
4. Ball bearing
1. To hold the roller shaft stationary while removing the bearing lock nut, install
a 3/8-24 UNF 2B screw with a jam nut into the threaded end of the roller shaft
and tighten the jam nut against the roller shaft. Remove the bearing lock nuts.
2. Carefully inspect the seating surface and threads of the bearing lock nuts
and replace them if damaged.
3. Remove the and discard the V-rings.
4. Loosely secure the roller assembly in a bench vise and lightly tap on the
roller shaft to remove the seals and bearings. Discard the seals.
5. Clean and carefully remove any corrosion from the bearing cavities of the
roller.
7–12).
Figure 122
5. Wiehle roller
6. Smooth roller
7. Roller shaft
Page 7–30 Greensmaster 3120
17230SL Rev C