Greensmaster Flex 21Page 7 – 10Cutting Unit (Rev. C)
Leveling Rear Roller
1. Remove cutting unit from mower and position it on a
flat, level surface, preferably a precision ground surface
plate.
2. Place a 1/4 inch (6.4 mm) or thicker plate under the
reel blades and against the front edge of bedknife.
NOTE: The plate should cover the full length of the reel
blades. Three blades should contact the plate for adjust-
ment purposes.
3. Firmly press down on cutting unit and maintain pres-
sure on rear roller. Attempt to insert a piece of paper un-
der each end of the roller. If the gap is greater than the
piece of paper, on either end, an adjustment is needed:
proceed to step 4.
4. Loosen locknuts securing right rear roller bracket to
cutting unit sideplate (Fig. 14).
5. While holding reel securely on surface plate and
maintaining pressure on the rear roller, rotate lower right
roller mounting bolt. This bolt has an offset, which when
rotated, acts as an eccentric to raise or lower the roller.
The bolt head has an identification dot to identify the off-
set location. This dot indicates in which direction the
right end of roller moves when the bolt is turned and
should always be in the rear half of the arc as shown in
Figure 15.
NOTE: If additional adjustment is needed, replace the
shoulder bolt on left hand roller bracket with a second
eccentric bolt (see illustrated parts list for part number).
Ensure that both rear roller brackets are mounted using
the same hole position.
6. Verify level of roller by attempting to insert piece of
paper under each end of roller.
7. Tighten locknuts on roller bracket when roller is level.
1. RH rear roller bracket
2. Locknut
3. Cutting unit sideplate
Figure 14
1
3
2
1. RH rear roller bracket 2. Eccentric bolt
Figure 15
1
2
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