External Valve

IMPORTANT: External valve must have an in-line check valve installed on pump hose.

If using an external valve, 9-pin vehicle side implement feedback harness cannot be used. Disconnect harness when machine is powered off.

Open-center Valve

A control valve opens in center position so pump flow is allowed through valve and returns to reservoir.

Closed-center Valve

When no oil is required to operate a function, control valve closes in center position stopping oil flow.

In order to conserve machine SCV connections an external valve connection for Active Implement Guidance is available. External valve can either be connected to an open SCV on machine or can use power beyond as a hydraulic power source from machine.

NOTE: For more information about connecting external valve to power beyond, reference Application Controller 1100 and External Valve Install Instructions.