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GBA20 selector rails with mechanical reverse shuttle
Fork (6) and selector rail (4)
Preliminary operations
107.Disassemble the tractor between the engine and
the gearbox (see chapter 2).
108.Remove the selector cover (see chapter 5).
109.Remove the input unit (see chapter 5).
Disassembly
110.Remove the plug (7), the spring (8) and the locking
stud (5).
R
: The locking stud (5) of the reverse
EMINDER
shuttle fork (6) has a different shape from those
fitted on the 1st / 2nd and 3rd / 4th forks of the
gearbox.
111.Take out the screws (3) from the fork (6).
Remove the pin (4) and the fork.
Reassembly
112.Clean the thread of screws and tapped holes in the
fork. Check that the screws turn freely in the
tapped holes.
113.Slide the fork into the synchromesh slider.
114.Slide the guide pin (4) into the fork (6).
Adjust the fork.
05F01.24
Massey Ferguson 5400 - Issue 1.a
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