MASSEY FERGUSON 5400 - Operating and Adjusting the Flow Divider

Massey Ferguson 5400 - Issue 1.b
09E01.10
Auxiliary spool valve
C . Operating and adjusting the flow
divider
Function of the flow divider
For operations requiring low oil flow rate, the flow
divider allows to vary supply to the hydraulic slave
device via a knob (4) used to adjust flow rate between
“maximum stop” and “minimum stop” (Fig. 6). It is
fitted at the inlet of the auxiliary spool valve assembly.
It is supplied by oil from the high flow rate circuit
passing through the trailer braking valve or the closing
plate (depending on version).
Operation (Fig. 6)
The oil coming from port (P) is directed to port (X) and
supplies the first spool valve. The flow is regulated
according to the position of the knob (4).
Simultaneously, the pressure in channel (P) allows oil
to pass through drilled hole (a) and restrictor (b).
The piston (1) is then moved to the right, allowing oil to
be directed towards port (Qx). The intermediate
block (7) receives the excess flow rate via the pipe (3)
(Fig. 7).
MA-09-05038A
F
F
P
FermetureOuverture
maxi
X
4
3
0
0
u
t
i
l
e
˚
41
ab
Qx
P
X
Fig. 6
MA-09-05039A
3
50 Nm
7
R
P
N
Fig. 7