Walker Hi-Dump - Lift Switch Operation (Series Wound Motor S;N 2008-1508 & ON); Dump Switch Operation (Series Wound Motor S;N 2008-1508 & ON)

Hi-Dump Operation
Series Wound Motor S/N 2008-1508 & ON
Lift Switch Operation
1. SPDT switch controls direction of pump motor rotation.
2. Valve block spools do not shift and oil is directed to the lift cylinder.
3. Pump rotation dictates the cylinder direction.
Dump switch Operation
1. DPDT switch controls direction of pump motor rotation.
2. Solenoids are energized in both up and down positions of switch.
3. With solenoids energized spools shift in the valve block directing oil to the dump cylinder.
4. Pump rotation dictates the cylinder direction.