4. MAIN CONTROL VALVE
4.1 GENERAL DESCRIPTION
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
10 milliliters (0.61 cu.in)/min
(Fluid temp : 50℃:pressure :100Kgf.cm(1422 psi)
C-port leaks
30 liters (1831 cu.in)/minMaximum flow
300 Kgf.cm(4267 psi)Maximum operating pressure
Neutral Position
Lowering Position
Raising Position
Fig.9-38
9-20
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