4. MAIN CONTROL VALVE
4.1 GENERAL DESCRIPTION (Reference)
This valve controls the lifting and lowering operation of the hydraulic cylinder.It has especially been
developed to control the working height of the implement.It consists of a feed back valve;direction
control valve,flow-control unloading valve,and holding check valve.
4.2 SPECIFICATIONS (Reference)
Maximum operating pressure 300 Kgf.cm(4267 psi)
Maximum flow 30 liters (1831 cu.in)/min
C-port leaks 10 milliliters (0.61 cu.in)/min
(Fluid temp : 50℃:pressure :100Kgf.cm(1422 psi)
Neutral Position
9-24
Fig.9-43
Lowering Position
Raising Position