Greensmaster Flex 21Page 7 – 20Cutting Unit (Rev. C)
Roller Service (Roller Shaft with Circlip)
1. Wiehle roller
2. Smooth roller
3. Roller shaft
4. Roller bearing
5. Spiral retaining ring
6. Roller seal
Figure 29
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5
4
2
3
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Seal Removal
1. Using a 1/4 inch thick, 3” X 3” square piece of steel,
make a seal removal tool as shown in Figure 30.
2. Slide seal removal tool over roller shaft.
3. Using the tool as a template, locate, mark and drill
two 7/64 inch (.109 inch diameter) holes in outer face of
seal.
4. Screw two No. 8 (.164 inch diameter) by 3/4 inch long
self–tapping screws into outer face of seal.
5. Install two 1/4–20 by 1 inch long cap screws into seal
removal tool.
6. Alternately tighten cap screws to pull seal out of roller
assembly. Discard removed seals.
NOTE: Seals will be destroyed when servicing the roll-
ers. Do not re–use seals that have been removed.
Bearing Removal
NOTE: It is recommended to replace bearings at both
ends of the roller after bearing failure.
1. Remove both seals from roller (See Seal Removal).
Remove both spiral retaining rings from roller shaft:
catch ring removal notch with pick and pull ring from
shaft.
NOTE: Roller bearings are pressed into rollers and slip
fit on roller shafts.
2. Loosely secure roller assembly in bench vise and
lightly tap one end of roller shaft until shaft and bearing
are free from roller cavity.
3. Remove second bearing from roller cavity by sup-
porting roller assembly and tapping on roller shaft.
4. Clean bearing cavity in roller and remove any rust
with crocus cloth.
5. Inspect bearings, shaft, retaining rings and roller for
damage. Replace components as needed.
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