Greensmaster Flex 18/21Page 7 – 18Cutting Unit
Roller Service
1. Wiehle roller
2. Smooth roller
3. Roller shaft
4. Ball bearing
5. Seal
6. V–ring
7. Bearing lock nut
Figure 23
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25 to 30 ft–lb
(34 to 41 N–m)
25 to 30 ft–lb
(34 to 41 N–m)
NOTE: Several different rollers are available for the
Flex 18 and Flex 21 cutting unit. Roller service proce-
dures are identical for all types of rollers.
Disassembly (Fig. 23)
1. To hold roller shaft for bearing lock nut removal,
install a 3/8–24 UNF 2B screw into threaded end of roller
shaft and secure in place with jam nut.
2. While retaining shaft, loosen and remove bearing
lock nut from each end of roller shaft.
3. Remove v–ring from each end of roller.
4. Carefully inspect seating surface and threads of
bearing lock nuts. Replace lock nut if any damage is
found.
5. Loosely secure roller assembly in bench vise and
lightly tap one end of roller shaft until seal and bearing
are removed from roller cavity in the opposite end of the
roller. Remove second seal and bearing from roller cav-
ity by tapping on other end of shaft.
6. Clean bearing cavity in roller and remove any corro-
sion with crocus cloth.
7. Discard removed bearings and seals.
Assembly (Fig. 23)
1. Place roller shaft into clean roller.
1. Roller
2. Ball bearing
3. Seal
4. V–ring
5. Bearing lock nut
6. Roller shaft
Figure 24
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1. Bearing lock nut
2. Black assembly washer
3. Bearing
Figure 25
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