MASSEY FERGUSON 5400 - Page 82

Massey Ferguson 5400 - Issue 1.a
05C01.12
GBA20 mechanical reverse shuttle
Reassembling the reverse shuttle
16. Clean and check all components. Replace any
defective parts.
17. Check that the ports and channels of the
secondary shaft (19), shaft (13) and housing (26)
are not blocked.
18. Lubricate the secondary shaft, the ring (7) and
needle bearings (6) and (20).
19. If removed, place the washer (35) on the
secondary shaft (19) as shown in Fig. 10.
Fit the ball bearing (24) home against the washer
(35) (Fig. 10), using a press and a locally made
sleeve (internal Ø = 47 mm; L = 60 mm).
I
MPORTANT: The sleeve is used to push against the
internal cage of the ball bearing.
20. Assemble (Fig. 11):
- pinion (5);
- ring (7);
- needle bearing (6);
- cones (brake) (4) and (39);
- coupling flanges (22);
- pinion (23);
- needle bearing (20).
21. Refit the ball bearing (9) in the housing.
22. Refit the pinion (5) (23) / synchromesh (18)
assembly and the washer (8) in the housing
(Fig. 12).
Turn the lubricating grooves of the washer (8)
towards the pinion (5) (Fig. 12).
23. Position the washer centrally (8).
24. Insert the secondary shaft (19) (Fig. 12) into the
pinion / synchromesh (18) assembly through the
bore in the front of the gearbox.
25. Turn the shaft from left to right and vice versa to
partially engage the splines of the secondary shaft
in those of the synchromesh.
26. With the help of an operator, install the fitted unit
on a table press.
27. Position a locally made sleeve
(internal Ø = 44 mm; L = 32 mm) under the
internal ring of the ball bearing (9).
MA-05-05043A
19
35
24
Fig. 10
MA-05-05042A
4
22
39
7
5
8
18
6
20
23
Fig. 11