MASSEY FERGUSON 6499 - C. Disassembling and reassembling with the cab fixed to the gearbox

Massey Ferguson 6400 - Issue 1
02C01.10
Splitting - GBA20 gearbox / Centre housing
C . Disassembling and reassembling
with the cab fixed to the gearbox
Disassembling
Remark
The disassembly procedure with cab fixed to gearbox
is almost identical to that described at § B.
However, it is necessary to add all disassembly opera-
tions concerning the centre housing in order to make
the rear axle mobile and carry out disassembly in the
correct conditions.
Preliminary operations
42. Engage the handbrake.
43. Check that the suspended front axle (if fitted) is in
low position and unscrew the control unit bleed
screw (see chapter 9).
44. Remove the lateral panels from each side of the
engine and bonnet (if necessary).
45. Place the rear wheels in the wide track position.
46. Remove the footsteps.
Servicing under the tractor
47. Remove the guards and the 4WD shafts.
48. Drain the oil from the gearbox and centre housing.
49. Remove the reverse shuttle lubricating pipe (1)
located between the centre housing and gearbox
(Fig. 11).
Servicing on the right-hand side of the
tractor
50. Disconnect and remove the batteries.
51. Remove the battery support.
52. Mark then disconnect:
- the cooler lubricant hose on the right-hand
hydraulic cover
- the main pipe (17 bar) at the selector cover
- the front differential lock hose on the right-hand
hydraulic cover
- the hoses joined to the cab on the right-hand
hydraulic cover
- the speed sensor connector
- the linkage sensor connector
- the return hoses on the selector cover
- the creeper gear cables (optional)
Fig. 11
¤
H