HYDRALADA FORK SYSTEM
Operation.
The fork system hydraulic oil supply comes form the central collector on the control valve. The Aux oil cartridge when energized blocks the oil return to tank porting fluid to the pressure ports. This supply is used for the Aux oil in cage and the fork block Fork block at rest 1 allows oil from the central collector into the fork ram to raise the forks and is held up by a check valve in the fork cartridge To lower the forks the Fork cartridge is energised 2 allowing oil out through a flow control valve. The forks use gravity to lower.