MASSEY FERGUSON 6400 Workshop Service Manual page 195

Servicing under the cab
50. Mark then disconnect:
- the right- and left-hand brake cables (block ports
immediately),
- the steering hose of the trailer brake valve, on
the priority block (block ports immediately),
- the handbrake cable,
- the electrical connectors on the Park Lock block
(optional),
- the speed sensor connectors (PTO clutch output
and forward speed).
Servicing at the rear of the tractor
51. Mark then disconnect:
- the auxiliary
(depending on version) and 540 - 1000 rpm PTO
control cables,
- the 750 rpm PTO cables and GSPTO cables (if
fitted),
- The connectors on the electrohydraulic spool
valves, the lift control spool valve and the rear
PTO housing,
- the draft sensors.
52. Remove the drawbars, lift rods and stabilisers.
Preparing for disassembling
53. Stop the front axle oscillation by sliding a suitable
chock either side of the support (1) (Fig. 9).
54. Chock the front wheels.
55. Remove the two lower screws (6) (M16) from the
4WD cover opening (Fig. 10).
56. Position a fixed stand at the back of the gearbox
(Fig. 11).
57. Position a mobile stand at the front of the centre
housing and another at the back (Fig. 11).
58. Separate the cab from the supports on the right-
and left-hand sides (see chapter 12).
59. Using two straps with hooks, gently lift the cab
with the rear pillars (Fig. 11).
60. Place a block temporarily between the cab and the
rear supports.
Massey Ferguson 6400 - Issue 1
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H
Splitting - GBA10 gearbox / Centre housing
spool valve control cables
Disassembly
61. Remove the remaining screws and nuts attaching
the centre housing to the gearbox (Fig. 10). Mark
their lengths and positionings.
Fig. 9
02C02.11