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12. Disconnect the solenoid valves, marking their
connections.
Note: The function of each solenoid valve is
moulded on the external face of the hydraulic
cover casing.
The cover is fitted with two different types of sole-
noid valves.
The solenoid valve (8)
a solenoid valve with a diode and is represented by
the following symbol
13. Take out the screws (4) and remove the cover.
14. After removing the cover, if necessary remove
from the housing the transfer pipe (25)
ensuring hydraulic continuity with the pump mani-
fold.
Refitting
15. Clean the mating faces of the housing and the
cover.
16. Check for the presence of the two locating pins (1)
and rivets at the ends of the channels on the cover
(Fig. 6
and
Fig.
8).
17. Fit new seals:
- on the Hare / Tortoise channels (2)
- on the power take-off clutch channel (3)
18. Fit and position the suction pipe (38)
its notch along the axis of the pin. Put in place seal
(39).
19. Screw two locally made guide pins into opposing
holes on the housing.
20. Fit the transfer tube (if removed), previously chec-
king that seals are in a good condition.
21. Smear the mating faces of the cover with a sealing
product (Loctite 510 or equivalent) taking care not
to block the hydraulic ports of the Hare / Tortoise
mechanism.
22. Refit the cover. Take out the guide studs. Fit and
tighten the screws (4)
Nm.
23. Reconnect (according to the markings made):
- solenoid valves
- filter switch
- engine speed sensor.
Massey Ferguson 5400 - Issue 1.b
Right-hand cover – 57 l/min Open Centre
(Fig.
1) of the PTO brake has
(+/-).
(Fig.
(Fig.
9)
(Fig.
(Fig.
10), with
(Fig.
7) to a torque of 72 -96
8),
9).
Fig. 8
Fig. 9
Fig. 10
09B01.11
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