Massey Ferguson 5400 - Issue 1.b
Right-hand cover – 57 l/min Open Centre
09B01.8
B . Identification of channels and
ports
On the cover (1) (Fig. 6)
A Channel to auxiliary spool valves
B Port to front and rear differential locks (if fitted)
C 17 bar pressure inlet from left-hand hydraulic
cover
D Low flow rate channel to main filters (15 microns)
and Orbitrol steering unit
E Port to 4WD clutch port (if fitted)
FSuction
G Oil outlet to pump via strainer
H Port for filter switch
I Continuity port towards auxiliary spool valves
J High pressure port, pump outlet
K Port to PTO brake
L Port to PTO clutch
On the solenoid valves
ON - OFF solenoid valves (8 to 11) (Fig. 4).
N
OTE: Only the solenoid valve (8) (PTO brake) has a
diode (+/-).
A Supply ports to pressurised parts
P 17 bar low pressure inlet
R Port to return line
On the high pressure, low flow rate valve
(3) (Fig. 5)
P 200 bar high pressure inlet
R Port to return line
Fig. 4
Fig. 5