MASSEY FERGUSON 5400 - Mechanical Reverse Shuttle Selector - Fork and Selector Rail

Massey Ferguson 5400 - Issue 1.a
05F01.22
GBA20 selector rails with mechanical reverse shuttle
Check
87. Check the operation of the Hare and Tortoise
ranges.
88. Check the smooth operation of all gears.
Final operations
89. Refit the right-hand hydraulic cover (see chapter 9).
90. Refit the selector cover (see chapter 5).
91. Reconnect and adjust the creeper unit control (if
fitted) (see chapter 5).
92. Refit the rear wheel. Tighten the wheel nuts to a
torque of 400 - 450 Nm.
93. Top up the oil level in the housings. Check it using
the gauge at the rear of the centre housing.
94. Carry out a road test:
- of gears from 1st to 4th and vice versa;
- of the Hare and Tortoise ranges;
- of the creeper unit (if fitted).
95. Check for the oil tightness of the cover mating
faces and the hydraulic unions.
E . Mechanical reverse shuttle
selector - Fork and selector rail
Reverse shuttle selector (2)
Disassembly
96. Remove the selector cover (see chapter 5).
97. Remove screws (1) (Fig. 26).
Remove the selector (2).
Preparing the selector
98. Clean the thread of screws and tapped holes in the
selector. Check that the screws turn freely in the
tapped holes.
99. Slide the selector onto the selector rail and adjust
it.
100. Engage the forward then reverse positions, and
vice versa, using the selector rail to position the
synchromesh components.
101. Next, position the selector rail (3) in neutral
(Fig. 26).
102. Fit the tool ref. 3378054M1 (see Fig. 27 and § F)
on the gearbox housing. Tighten it using two
locally obtained screws.
Adjusting the selector (Fig. 27)
103. Lightly smear the thread of the screws (1) with
Loctite 242 or equivalent.
104. Bring face "F" of the selector (2) flush with the tool,
using the screws (1).
105. Alternately and gradually tighten the screws (1) to
a torque 35 Nm without modifying the selector
position.
Reassembly
106. Refit the selector cover (see chapter 5).