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Maintenance
Note: Determine the left and right sides of the machine
from the normal operating position.
Disconnect Cutting Unit From
Traction Unit
Note: Implements are heavy and may require two people
to handle.
1. Start tractor and raise deck to highest possible position
and turn off engine.
2. Remove hairpin cotter and clevis pin securing
height-of-cut chains to rear height-of-cut brackets
(Fig. 22).
Figure 22
1. Height-of-cut chain
3. Rotate ignition key to run position and move lift lever
forward to lower cutting unit.
4. Raise seat and open needle valve (Fig. 23). This allows
lift arms to float freely.
Figure 23
1. Needle valve
5. Remove hairpin cotter and clevis pin securing latch
cover to lift arm (Fig. 24).
6. Loosen release lever by rotating it counterclockwise.
7. Pivot release lever upward and remove shaft latch
from slot in traction unit lift arm.
Figure 24
1. Latch cover
2. Release lever
3. Shaft latch
8. Pull rearward on lock collar to release drive shaft
coupler from tractor.
9. Stay clear of lift arms and move deck away from
tractor allowing lift arms to fall.
10. Secure hairpin cotter and clevis pin to height-of-cut
chains for storage.
11. Close needle valve.
Connect Cutting Unit To
Traction Unit
1. Center traction unit in front of cutting unit on any flat
hard surface.
2. Raise seat and open needle valve (Fig. 23). This allows
lift arms to float freely.
3. Adjust lift arms heights making sure that the
machined surface on top of each traction unit lift arm
is parallel to ground (Fig. 24). (Raise or lower lift arm
casting by pushing up or down from behind the front
tires or using wrench in front of tractor)
4. Check for dirt and debris on mating parts and clean as
required.
5. Turn castor wheels so they point straight forward.
6. Secure first lift arm assembly to traction unit as
follows:
13
4. Traction unit lift arm
5. Machined surface
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