MASSEY FERGUSON 5400 - Page 196

Massey Ferguson 5400 - Issue 1.a
05F02.12
GBA20 selector rail with Power Shuttle
Reassembly
19. Clean and check all components. Replace any
defective parts.
20. Refit the control link and pull it as far to the right as
possible. Install a new lubricated O'ring (Fig. 11).
21. Reassemble the lever (3) (Fig. 12). Tighten the
screw.
22. Refit the fork on the selector rail.
I
MPORTANT: Ensure that the finger (1) of the
creeper gear control linkage points towards the
front of the tractor (Fig. 12).
23. Couple the sleeve / link shaft / coupler assembly
inside the housing. Place it in the fork, turning the
machined groove on the sleeve (2) towards the
rear of the tractor (Fig. 13).
24. Slide the sleeve and coupler onto the link shaft.
25. Force fit a new double pin (1) into the sleeve (2)
(Fig. 6).
26. Take out set screw (8).
27. Force fit a new pin (29) and turn the selector rail (7)
(Fig. 4 - Fig. 5).
28. Clean the set screw (8). Smear its thread with
Loctite 542 and tighten to a torque of 38 - 43 Nm.
29. Ensure that the ball mounted at the end of the
locking screw (27) returns correctly to its initial
position after pressure has been applied manually
by the locking screw. Position the fork (28) and
locking screw on flat section “M” of the selector
rail (7) (between the two locking catches) (Fig. 2)
Fully tighten the screw without forcing it in order to
compress the ball.
Loosen the screw by one-quarter turn. Clean the
nut (26) and smear with Loctite 270 or equivalent.
Tighten to a torque of 15 - 20 while holding the
locking screw in place.
Check the the fork locks correctly.
30. Turn and push the rod (2) in order to engage the
finger in the fork. Fit the screw (1) smeared with
Loctite 542 or equivalent (Fig. 3).
31. Check that the rod operates correctly.
32. Check that the O’rings of the internal hydraulic
pipes are not damaged (see chapter 9).
33. Refit the right-hand cover (see chapter 9).
34. Attach the electrical harnesses with a clip retainer.
35. Refit the trailer braking valve (if fitted, open
centre), checking that the O’rings are not
damaged. Tighten the screws to a torque of
25 - 35 Nm.
36. Reconnect the pipes and hoses of the hydraulic
cover.
37. Refit the strainer, support and filter (open centre).
38. If necessary, on 4WD tractors:
- couple the rear sleeve (5) of the transmission
shaft (3) (Fig. 7);
- refit the guard (1) (Fig. 7);
- reconnect the front differential lock control
hoses.
39. Refit the plugs (1), the springs (2) and the locking
studs (3) (Fig. 2). Refit the selector cover (see
chapter 5). Reconnect and adjust the creeper unit
control cable (see chapter 5).
40. Refit the wheel.
41. Remove the axle stand and the jack.
42. Tighten the wheel nuts to a torque of
400 - 450 Nm.
43. Top up the oil level in the rear axle and gearbox.
44. Start the tractor.
45. Check the correct operation of electrical and elec-
tronic circuits. Check the oil tightness of the cover
mating face and of hydraulic unions.
46. Carry out a road test of the creeper unit controls
and 1st-2nd, 3rd-4th gears of the Hare / Tortoise
ranges.