Hardware Installation Guide 29
Valve Type Installation Procedures
Installation Instructions
1. Refer to Figure 3-17 for a detailed hose diagram and follow the instructions below.
2. Disconnect the pressure hose from the Orbitrol and install a Tee adapter.
3. Reconnect the pressure hose to the tee.
4. Connect a hose from the “Press” port on the AutoFarm steering valve to the Tee adapter installed on the Orbitrol’s pressure
port. This hose will provide oil pressure to the AutoFarm valve.
5. Disconnect the Orbitrol tank hose and install a Tee adapter. Reconnect the tank hose to the tee.
6. Connect a hose from the Tank port on the Autofarm steering valve to the Tee adapter installed on the Orbitrol Tank port.
This hose will connect the AutoFarm valve to tank.
7. Disconnect the LS hose from the Orbitrol and connect it to the LS Out port on the AutoFarm steering valve. Use an
extender hose as necessary to reach the AutoFarm valve.
8. Connect a hose between the “LS Orbitrol” port on the AutoFarm steering valve and the LS port on the Orbitrol. This hose
will re-establish the LS connection between the Orbitrol and the priority valve, passing through the AutoFarm valve.
9. Connect a hose between the “Right” port on the Autofarm steering valve and the right steering hose on the Orbitrol. You
may install the tee adapter anywhere along the right steering line in a convenient location.
10. Connect a hose between the “Left” port on the steering valve and the left steering hose on the Orbitrol. You may install the
tee adapter anywhere along the left steering line in a convenient location.
11. Individually check each hose connection at both ends and confirm that it matches the hose diagram in Figure 3-17. Wrong
hose connections can cause immediate pump damage when the engine is started.
12. Confirm that the AutoFarm steering valve is configured internally for a Closed Center Load Sense Orbitrol installation
with the correct orifices and/or plugs installed as shown in
Table 3-4.
13. Adjust the relief valve.
14. Proceed to system calibration and tuning.
Note: If access to the Orbitrol is difficult and does not enable the installation of run tees on the Pressure and Tank ports,
you can install the run tees in another location along the hoses.
WARNING
High-Pressure Fluid Hazard
Read the Owner’s Manual before installation. Wear hand
and eye protection while performing hydraulic system
maintenance. Relieve hydraulic system pressure before
servicing the hydraulic system.
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