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height can be changed to compensate for difference and
either transfer washers from bottom to top to lower unit,
or from top to bottom to raise. Transfer an equal
number of washers at all castor wheel locations to keep
cutting unit level—two on front unit, four on outboard
units.
Adjusting the Height of Cut
The height-of-cut is adjustable from 1 to 5-1/2 in. (25 to
140 mm) in 1/2 in. (13 mm) increments. Positioning the
castor wheel axles in the top holes of the castor forks
(Fig. 12) allows Low range height-of-cut settings from 1 to
4 in. (25 to 102 mm); positioning the castor wheel axles in
the lower holes of the castor forks (Fig. 12) allows High
range height-of-cut settings from 2-1/2 to 5-1/2 in. (63.5 to
140 mm).
Figure 12
1. Start engine, position the machine on a level surface,
lower cutting units to a point where castor wheels can
be removed from arms, set lift levers in neutral, set
parking brake and shut engine off. Remove ignition key
to prevent accidental startup.
2. Position castor wheel axles on all cutting units in the
same hole in the castor forks.
3. On the front cutting unit, remove the hairpin cotter and
clevis pins from the rear castor pivot arms (Fig. 13).
Align the pivot arm holes with selected height–of–cut
bracket holes in the deck frames, insert clevis pins and
install the hairpin cotters (Fig. 13).
4
3
1. Hairpin cotter
2. Clevis pin
4. On all remaining castor wheel assemblies, remove
lynch pin from castor fork shafts (Fig. 14). Remove
castor fork shaft and spacer assembly from the castor
arm (Fig. 14). Place spacers onto castor spindle to
desired height-of-cut setting and install castor fork shaft
in arm (Fig. 9). Install remaining spacers onto shaft and
secure assemblies with the lynch pin (Fig. 14).
1. Lynch pin
2. Spacers
21
1
2
Figure 13
3. Castor axle mount holes
4. Pivot arm
1
2
3
Figure 14
3. Washers
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