MASSEY FERGUSON 6400 Workshop Service Manual page 204

GBA25/GPA20 separation
B . Disassembly and reassembly
with the cab fixed to the centre
housing
Disassembly
Implementation
1. Apply the handbrake.
2. Check that the suspended front axle (if fitted) is in
low position and unscrew the control unit bleed
screw (see chapter 9).
3. Remove the lateral panels from each side of the
engine and bonnet (if necessary).
4. Place the rear wheels in the wide track position.
5. Remove the footsteps.
Operations underneath the tractor
6. Remove the guards and the 4 WD shafts.
7. Drain the oil from the gearbox and centre housing.
8. Dismantle the front linkage reinforcements (if
mounted).
Operations on the right-hand side of the
tractor
9. Disconnect and remove the batteries.
10. Remove the battery support.
11. Mark then disconnect:
- the hose on the steering ram
- the main tube (20 bar) to the gearbox control
block (Fig. 1)
- the front differential lock hose on the right-hand
hydraulic cover
- the return hoses on the selector cover
- the brake hose on the accumulator 20 bar supply
line (depending on equipment)
- the lubricating hoses (running to and from the
cooler depending on the model)
- the creeper gear cables (optional)
N :
OTE
On tractors fitted with creeper gears
- Remove screw (1)
- Pull the pin (2) outwards to free the "D" finger of the
fork.
2C30.4
¤
H
MA-02-03009A
(Fig. 2):
Fig. 1
Fig. 2
Massey Ferguson 6400 - Issue 4.a