MASSEY FERGUSON 5400 - Page 411

Massey Ferguson 5400 - Issue 1.a
07D01.19
GPA20 shiftable shaft
Replacing the sealing ring
REMINDER: The sealing ring (11) is also known as a
"cassette" seal.
Removal
76. Remove cap (9) and support (12).
77. Take out the two diametrically opposed screws
(10) and replace them with two guide studs
(Fig. 16).
78. Take off other two screws, separate and remove
the cover (8) (Fig. 16).
79. Drive off the seal from the cover.
Replacement
80. Clean the cover and check that it is free of dents or
burrs at the location of the seal.
81. Insert the new seal correctly turned with its
external face 9.25 mm from the rim of the cover (8)
(Fig. 16), using a locally made drift.
Refitting
82. Smear the rear face of the housing unit (14) with
Loctite 510 or equivalent and refit the cover (8)
after checking for the presence of shim(s) (6).
83. Insert the screws (10) and repeat operations 66
and 67.
Test
84. Start the engine. Activate the power take-off and
check the tightness of the rear bearing.
85. Refit and tighten the support as well as the cap,
then repeat operations 68 and 69.
Fig. 16