MASSEY FERGUSON 5400 - Page 530

Massey Ferguson 5400 - Issue 1.a
09F01.4
Lift control spool valve - Open Centre
B . Layout of components and iden-
tification of ports
Layout of components
The BOSCH ELC (EHR5) hydraulic spool valve
comprises two parts:
Hydraulic part
(1) Non-return valve
(2) Lifting spool valve
(3) Lowering spool vlave
(4) Flow rate control spool
(5) Shock valve (200 to 210 bar)
(6) Flow control spool spring
(9) Lifting spool spring
(10) Lowering spool spring
(11) Restrictor
(12) Lift control spool valve
Identification of ports:
N Continuity channel
P : Pressure
R, R1 Return to housing
V Port to lift rams
Electric part
(7) Lowering solenoid valve
(8) Lifting solenoid valve
Fig. 2