Removing And Refitting The Brake Spool Valve - MASSEY FERGUSON 5400 Service Manual

Trailer braking - Open centre
B . Removing and refitting the brake
spool valve
Preliminary operation
1. Immobilise the tractor. Take off the wheel
concerned. Position a safety stand.
09D01.6
Removal (Fig. 3)
2. Disconnect and block:
- the hose pipe (2) of pilot flow housing (5)
N : If the removal of the valve does not
OTE
concern its replacement, do not disconnect the
hose (2) (Fig. 3) in order to avoid draining the
system.
- the supply hose (1) from the auxiliary spool valve
and the pipe (4) from the trailer brake connector.
3. Take out the screws (3) and remove the valve (6).
Massey Ferguson 5400 - Issue 1.b
Fig. 3