Patent ID: 8109356

Claim:
A hydraulic system for a loader configured to provide hydraulic fluid to an implement attached to the loader, the hydraulic system comprising: a valve having a de-actuated position, which blocks hydraulic fluid from being supplied to the implement and an actuated position, which allows hydraulic fluid to be supplied to the implement, wherein the valve has a bias toward the de-actuated position; an actuator, operably coupled to the valve, and capable of being manipulated to overcome the bias and cause the valve to move from the de-actuated position to the actuated position; an enabling member input device movable from a loader operating position between an engaged position and a disengaged position and configured to provide an enablement signal indicative of the position of the enabling member; a mode input having an actuable member capable of being moved from a first position to a second position and capable of providing a signal indicative of the position of the actuable member; a continuous engagement member, capable of engaging the valve when the valve is in the actuated position to encourage the valve to remain in the actuated position while the continuous engagement member is engaged with the valve; a control device configured to receive signals from the mode input and the enabling member and to provide an engagement signal to the continuous engagement member; and wherein the control device is configured to provide an engagement signal to the continuous engagement member causing the engagement member to attempt to engage the valve when the enablement signal is indicative of the engaged position and the mode input is indicative of a first position and when the enablement signal is indicative of the disengaged position and the mode input is indicative of the second position.