36 AutoFarm GPS AutoSteer
Valve Type Installation Procedures
Follow the procedure below to adjust the relief valve:
1. Install a 5000 psi pressure gauge on the AutoFarm valve diagnostics port labeled as GP. Use a short extension hose on the
pressure gauge if necessary for easier reading. See
Figure 3-21.
Figure 3-21 Pressure Gauge (different vehicle shown)
2. Put transmission into “park” position and turn on the hand brake.
3. Start the engine and leave it at low idle.
4. Immediately check for oil leaks on all hose connections that were opened.
5. Turn the steering wheel full right and then full left and check for correct manuals steering response. Immediately check for
oil leaks on all hose connections that were opened. Air in the hoses may cause a slight steering delay when the system is
first powered up.
6. Observe the standby pump pressure shown on your pressure gauge. Standby pressure should be very low, or around 300psi.
If standby pump pressure is zero or less than 100psi, you might have inverted the Pressure and Tank hoses.
7. Clear any bystanders from around the vehicle because you will be moving the front wheels in the next step.
8. Turn on the AutoFarm display and Press 100% Left or 100% Right from the Examine Steering screen. The front wheels
will turn quickly towards the stops. Maximum pump pressure will be indicated on the pressure gauge when the wheels hit
the stops.
WARNING
Do not stand close to the wheels and do not move the
machine while you are adjusting the relief valve. Turn off
the engine, put the transmission into “park” position and
engage the parking brake before standing under or next to
the machine.
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