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Wing Cutting Units
To adjust the height-of-cut on the wing cutting units, add or
remove an equal number of spacers from the castor forks,
position the castor wheel axles in the high or low
height-of-cut holes in the castor forks, and secure the pivot
arms to the selected height-of-cut bracket holes.
1. Position the castor wheel axles in the same holes in all
of the castor forks (Fig. 14 & 16). Refer to the
following chart to determine the correct hole for the
setting.
4
1
Figure 14
1. Castor wheel
2. Tensioning cap
3. Spacers
2. Remove the tensioning cap from the spindle shaft
(Fig. 14) and slide the spindle out of castor arm. Put the
two shims (1/8 inch) onto spindle shaft as they were
originally installed. These shims are required to achieve
a level across the entire width of the cutting units. Slide
the appropriate number of 1/2 inch spacers onto the
spindle shaft to get the desired height-of-cut; then slide
the washer onto the shaft.
2
3
5
4. Shims
5. Axle mounting holes
20
Refer to the following chart to determine the combinations
of spacers for the setting.
Figure 15
3. Push the castor spindle through the castor arm. Install
the shims (as originally installed) and the remaining
spacers onto the spindle shaft. Install the tensioning cap
to secure the assembly.
4. Remove the hairpin cotter and clevis pins from the
castor pivot arms (Fig. 16).
5. Rotate tension rod to raise or lower pivot arm until
holes are aligned with selected height-of-cut bracket
holes in the cutting unit frame (Fig. 16 & 17)
6. Insert the clevis pins and install the hairpin cotters.
7. Rotate tension rod counterclockwise (finger tight) to put
tension on adjustment.
4
1
Figure 16
1. Castor pivot arm
2. Axle mounting holes
3
2
3. Clevis pin & hair pin cotter
4. Tension rod
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