6
-6
Apr. 2007
DSC48
H
PD
PH
DR
T
B
1.3 COMPONENTS OF VALVE UNIT
The valve unit is composed of hydraulic blocks and sole-
noid valves. The hydraulic block DH is equipped with the
steering control, direction control, reaping unit lowering so-
lenoid, high pressure relief, and reaping unit height check
valves.
417W606A
(1) Direction port (LH, DL)
(2) Steering control solenoid valve
(3) Direction pump port (P, D)
(4) Variable Relief Valve
(5) Tank port (T)
(6) Brake port (B)
(7) Hydraulic block DH
(8) Direction port (RH, DR)
(9) Low pressure Relief Valve
(10) High Pressure Relief Valve
(11) Reaping unit height control pump port (PH)
(12) Reaping unit height check valve
(13) Reaping unit height control port (H)
(14) Reaping unit lifting solenoid valve
(15) Reaping unit lowering solenoid valve