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Test Port "F" (Fig. 63), located under the seat, is used to
measure the lift circuit pressure.
Test Port "G" (Fig. 63), located under the seat, is used to
measure the charge circuit pressure.
1
Figure 63
1. Test port "F"
Test Port "H" (Fig. 64) is used to measure the front cutting
unit circuit pressure.
Test Port "J" (Fig. 64) is used to measure the steering
circuit pressure.
1
Figure 64
1. Test port "H"
The counterbalance test port (Fig. 65) is used to adjust the
pressure in the counterbalance circuit. Recommended
counterbalance pressure is 470 psi (3241 kPa). To adjust
2
2. Test port "G"
2
2. Test port "J"
44
the counterbalance pressure, rotate the adjusting screw
(Fig. 65) clockwise to increase the pressure or
counterclockwise to decrease the pressure.
2
1
Figure 65
1. Counterbalance test port
Adjusting the Cutting Unit Flow
Control
The flow control valve (Fig. 66) is used to adjust the rate at
which the cutting unit lowers.
1
Figure 66
1. Flow control valve
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. Counterbalance adjusting
screw
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