MASSEY FERGUSON 5400 - Disassembling and Reassembling the Cover

Massey Ferguson 5400 - Issue 1.b
09B01.14
Right-hand cover – 57 l/min Open Centre
E . Disassembling and reassembling
the cover
Disassembly
39. Take off the cover (see § C).
40. Place the cover in a vice fitted with plastic jaws.
On the external face (Fig. 1)
41. Mark the locations and types of solenoid valves (7)
to (11) and remove them.
42. Note the position of the switch (19) and remove it.
43. Remove the engine speed sensor.
44. Remove the hydraulic unions and plugs (depending
on version).
45. Remove the diagnostics connectors and if neces-
sary the plate replacing the brake spool valve
(tractor with no trailer brake).
46. Take off the high pressure valve (3).
On the internal face (Fig. 2)
47. Take out the screws (31) and remove the inlet
manifold (40), seal (24) and pipe (42). Remove
seals (41).
Removing the drive pinion
48. Unscrew nut (27). Take off washer (28), pinion (29)
and key (30).
49. Take off the pump (see § F).
Reassembly
50. Clean the cover mating faces.
51. Check that no channels (low and high flow rate) are
blocked. Check for the presence of the rivets ensu-
ring oil tightness at the end of each channel.
On the internal face (Fig. 2)
52. Refit the pump (see § F).
Refitting the drive pinion
53. Position the key (30). Fit the pinion (29) on the shaft
while ensuring that the key is correctly engaged.
Fit washer (28).
54. Smear the nut (27) with Loctite 242 or equivalent
and tighten to a torque of 50 - 60 Nm.
55. Replace the O'rings (41) on the pipe (42).
56. Refit the seal (24), the pipe and the inlet manifold
(40). Refit and tighten the screws (31) to 1.2 – 1.6
Nm.
On the external face (Fig. 1)
57. Refit the high pressure valve (3). See tightening
torque in § D.
58. Refit the diagnostics connectors and the plate
cited in operation 45, if it was removed.
59. Refit the plugs and hydraulic unions.
60. Refit and adjust the engine speed sensor (see § H).
61. Refit the switch (19), having lightly smeared the
sensor thread with Loctite 542 or equivalent.
62. Refit the solenoid valves according to the type and
locations marked during disassembly.
R
EMARK: The flanged solenoid valves are not
screwed onto their support. They are only pushed
into their housing and held on the cover by a
flange.
Tightening torque
Solenoid (7) nut: 1.7 -2.8 Nm.
I
MPORTANT: Do not exceed the maximum tole-
rance value.
63. Refit the cover (see § C).