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1
Figure 62
1. Test port "H"
The counterbalance test port (Fig. 63) is used to adjust the
pressure in the counterbalance circuit. Recommended
counterbalance pressure is 470 psi (3241 kPa). To adjust
the counterbalance pressure, rotate the adjusting screw
(Fig. 63) clockwise to increase the pressure or
counterclockwise to decrease the pressure.
2
1
Figure 63
1. Counterbalance test port
Adjusting the Cutting Unit Flow
Control
The flow control valve (Fig. 64) is used to adjust the rate at
which the cutting unit lowers.
1. Loosen set screw on flow control valve, adjust valve as
desired and tighten set screw.
1
Figure 64
1. Flow control valve
2
2. Test port "J"
2. Counterbalance adjusting
screw
43
Adjusting the Traction Pedal
Linkage
The traction pedal should reach full stroke at the same time
it makes contact with the stop. If it does not, perform the
following procedure:
1. Park the machine on a level surface, stop the engine,
and lower the cutting units to the floor. Remove the
ignition key.
2. Check the traction pedal stop adjustment. The distance
from the top of the stand to the top of the stop must be
1-1/2 in. (38 mm) (Fig. 65). Loosen the nuts and adjust,
as required.
1
Figure 65
1. Traction pedal stop
3. Loosen the jam nuts on the rod end and adjust the
traction rod length (Fig. 66) so that the pedal contacts
the pedal stop at the same time the pump lever reaches
full stroke. Secure the jam nuts.
4
2
1
Figure 66
1. Rod end
2. Traction rod
1-1/2 in.
(38 mm)
2
2. Stand
3
3. Neutral return spring
assembly
4. Jam nut
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