MASSEY FERGUSON 5400 - Disassembling and Reassembling the Forward Clutch

Massey Ferguson 5400 - Issue 1.a
05C02.14
GBA20 Power Shuttle
Final operations
10. Replace the seals (67) (75).
11. Refit the pipes (31) (74) (76) (94).
12. Replace the O'rings (95).
13. Clean the mating faces on the gearbox housing
and the cover (37). Smear the mating face of the
housing with Loctite 510 or equivalent.
14. Replace the dust seal (96) and the O'ring (81).
15. Fit the pipe (78), the flange (80) and the covers (37)
(83) previously coated with Loctite 510 or equiva-
lent. Tighten the screws to a torque of
84 - 110 Nm.
16. Tighten screw (97) moderately and screws (79) to
a torque of 44 - 53 Nm.
17. Reconnect the pipes (86) (87).
18. Refit the gearbox spacer (4) (see section 3).
19. Top up the oil level in the housings. Check it using
the gauge at the rear of the centre housing.
20. Assemble the tractor between the engine and the
gearbox (see section 2).
21. Carry out a road test of the Power Shuttle and high
and low Speedshift ranges.
22. Check tightness of the mating faces on the spacer
(4), covers (37) (83) and the hydraulic unions.
C . Disassembling and reassembling
the forward clutch
Disassembly
23. Separate cover (33) from unit (18). Remove clutch
discs (29) and intermediate plates (30).
24. Remove the front snap ring (9). Remove the
splined ring (6), the anti-extrusion rings (8) and seal
(7).
25. Take off circlip (11). Remove the cover (2) from the
pump (14) complete with bearing (12).
26. Pull the lubricating pump out of the pump unit (1)
and take it apart from the clutch housing (18).
27. Remove seal rings (15). If necessary, extract ring
(16) and remove the 1.5 bar valve (73).
28. Place the partially disassembled clutch on a suit-
able locally made fixture (Fig. 6 and § G).
29. Compress the Belleville washers (25) and remove
the rear snap ring (9) (Fig. 6).
30. Remove locking ring (5). Gradually release the
Belleville washers.
31. Split unit (18) fitted with piston (28) from shaft (19).
32. Remove the Belleville washers and the ring (100).
33. Remove snap ring (23). Pull out the shaft (19)
complete with bearing (22) from hub (27).
34. Take off circlip (21). Extract bearing (22) from shaft
(19).
35. Remove the piston.
Remove seals (24) (69). Discard them.
If necessary, extract the bearing (68) from the unit
(1) of the pump (14).
36. If necessary, remove snap ring (54) and remove
the input sun gear (53). Remove snap ring (65).
Extract bearing (32).