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1. Start the engine and raise the cutting units so that the
height-of-cut can be changed. Stop the engine, set the
parking brake and remove the key after the cutting unit
is raised.
2. Position the castor wheel axles in the same holes in all
castor forks (Fig. 14 & 16). Refer to the following chart
to determine the correct holes for the setting.
Note: When operating in 2–1/2 inch (64 mm) height of cut
or higher, the axle bolt must be installed in the lower castor
fork hole to prevent grass buildup between the wheel and
the fork. When operating in heights of cuts lower than
2–1/2 inches (64 mm) and grass buildup is detected, reverse
the machines direction to pull any clippings away from the
wheel/fork area.
3. Remove the tensioning cap from the spindle shaft
(Fig. 10) and slide the spindle out of the castor arm. Put
the shims (1/8 inch) onto the spindle shaft as they were
originally installed. These shims are required to achieve
a level across the entire width of the cutting unit. Slide
the appropriate number of 1/2 inch spacers (refer to the
following chart) onto the spindle shaft to get the desired
height-of-cut; then slide the washer onto the shaft.
4
1
Figure 10
1. Castor wheel
2. Tensioning cap
3. Spacers
Refer to the following chart to determine the combinations
of spacers for the setting.
2
3
5
4. Shims
5. Axle mounting holes
19
Figure 11
4. Push the castor spindle through the center castor arm.
Install the shims (as they were originally installed) and
the remaining spacers onto the spindle shaft. Install the
tensioning cap to secure the assembly.
5. Remove the hairpin cotter and clevis pin securing the
height-of-cut chains to the rear of the center cutting unit
(Fig. 12).
2
Figure 12
1. Height-of-cut chain
6. Mount the height-of-cut chains to the desired
height-of-cut hole (Fig. 13) with the clevis pin and
hairpin cotter.
Figure 13
Note: When using 1 in. (25 mm), 1-1/2 in. (38 mm), or
occasionally 2 in. (51 mm) height–of–cut, move the skids
and gage wheels to the highest holes.
1
2. U-bolt
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