MASSEY FERGUSON 5400 - Disassembling the Clutch

Massey Ferguson 5400 - Issue 1.a
08E01.8
GPA20 multidisc 4WD clutch
Tractors with no creeper unit
11. Drive out the double pins (2) (4) from the coupling
sleeves (1) (5).
12. Slide the sleeves towards each other on the shaft
(3) and remove the shaft - sleeve assembly.
13. Take off circlip (6) and remove the pinion (7).
Tractors with a creeper unit
14. See chapter 5.
15. Take off circlip (6) and remove the pinion (7).
D . Disassembling the clutch
16. Split bell gear (15) from the clutch assembly (16).
17. Take off circlip (31).
18. Take off cover (30).
19. Remove the O'rings (29) (32).
20. Using a suitable fixture and a press, compress the
Belleville washers (34) (35) (Fig. 6).
21. Take off circlip (39) and the shim(s) (41) (Fig. 6).
22. Remove the suitable fixture.
23. Remove cover (38), discs (36) and intermediate
plates (37).
24. Separate the hub (40) from the bell (42).
25. Remove the O'ring (33).
26. Remove the Belleville washers (34) (35).
Disassembling the shaft
27. Remove the two seals (12).
28. Extract the cone (19) using a press and a suitable
fixture.
29. Extract needle bearing (9). Take out plug (8).
Reassembling the shaft
NOTE: Check that the channel in the shaft is not
blocked.
30. Tighten the plug (8) smeared with Loctite 542 to a
torque of 10 Nm.
31. Fit the needle bearing (9) 2.5 mm short of the face
F (Fig. 7).
32. Fit the bearing cone (19) against the shoulder on
shaft (25).
Fig. 6
Fig. 7