MASSEY FERGUSON 5400 - Page 102

Massey Ferguson 5400 - Issue 1.a
05C02.16
GBA20 Power Shuttle
Reassembly
37. Make sure that pin (20) is fitted.
38. If removed, fit the bearing (32) on cover (33), using
a press and a suitable tool. Fit snap ring (65).
39. If disassembled, refit bearing (68).
40. Lubricate the new seals (24) (69) and fit them on
the piston.
41. Fit the piston (28), using a pin of suitable diameter
to align the index holes bored in the unit (18) and
piston (Fig. 7).
N
OTE: The angular position of the piston depends
on the position of unit (18) lubricating ports.
Complete the installation of the piston by gradually
and alternately striking around its top rim with a
plastic mallet.
Check that no fragments of the seal remain after
assembly,
42. Using a suitable fixture, force fit the bearing (22) on
the shaft (19), with the sealed side directed
towards the reverse clutch. Fit the circlip (21).
43. Put the assembly (shaft, bearing, circlip) in the hub
(27). Fit snap ring (23).
44. Refit the ring (100) and the Belleville washers as
shown in Fig. 8.
45. Assemble unit (18) fitted with the piston (28) on
shaft (19).
46. Compress the Belleville washers using the same
procedure as in operation 28. Position the ring (5),
aligning two of the flat sections with those of the
unit (18). Replace the rear snap ring (9) and
correctly position it in the bottom of the groove.
47. Remove the fixture.
48. Check that the seal rings (15) turn freely in their
grooves. Fit the seal rings, lightly coated with
miscible grease, making sure that they do not
protrude beyond the rim of unit (18).
Fig. 7
100
MA-05-02010A
Fig. 8