2-42 Published 11-22-2016, Control # 345-12
HYDRAULIC SYSTEM RT9130E-2 SERVICE MANUAL
STEERING CONTROL VALVE-DUAL
DISPLACEMENT
Description
The dual displacement load sense steering control unit
Figure 2-24 controls hydraulic flow to the front steering
circuit. It is located in the steering column of the cab. Both
work ports are connected to the rod side of one steer cylinder
and to the piston side of the other. The dual displacement
control unit; one at 35.9 in
3
/rev and the other at 57.5 in
3
/rev.
allows flow amplification (larger displacement) to the steer
cylinders when turning the steering wheel at medium to fast
speeds.
Maintenance
Removal
1. Tag and disconnect the hydraulic lines to the valve.
2. Remove the bolts and washers securing the valve and
remove the valve.
Installation
1. Install the valve and secure in place with the bolts and
washers.
2. Connect the hydraulic lines to the valve.
Hydraulic Schematic
FIGURE 2-23
6099
6099-1
3
4
5
2
1
1
2
3
4
5
Item Description
1 Pressure Port
2 Tank Port
3 Load Sense Port
Item Description
4 Steer Right port
5 Steer Left Port
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