MASSEY FERGUSON 5400 - Creeper Fork

Massey Ferguson 5400 - Issue 1.a
05F02.11
GBA20 selector rail with Power Shuttle
C . Creeper fork
Disassembly
1. Disassemble the right rear wheel.
Chock the tractor wheels.
2. Disconnect the rear axle creeper unit control cable.
3. Remove the selector cover (see chapter 5). Take
out the plugs (1), the springs (2) and the locking
studs (3) to release the selector rail (Fig. 2).
4. Remove the hydraulic cover(s) (see chapter 9).
5. Remove screw (1). Pull the guide rod link (2) and
the lever (3) outwards to release the finger of the
fork (Fig. 3).
6. Unscrew the nut (26) and the locking screw (27) on
the fork (28).
7. Take out set screw (8).
8. Turn the selector rail (7) and drive out the pin (29)
(Fig. 4 - Fig. 5) without dropping it into the housing.
Move the selector rail forward.
Remove the pin (1) from the coupling sleeve
(2) on a 2 or 4WD tractor (operations 9 to 12)
N
OTE: Depending on the angle of the coupling sleeve
(2) located between the gearbox output shaft and the
drive pinion, the pin (1) is accessible or inaccessible.
2WD tractor
9. If the pin (1) is accessible, drive it from the sleeve
(2) (Fig. 6).
10. If the pin (1) is not accessible:
- raise the tractor rear axle beam with a trolley
jack;
- turn the drive pinion to correctly position the
coupling sleeve (2) (Fig. 6);
- drive out the pin (1) (Fig. 6).
4WD tractor
11. If the pin (1) is accessible, drive it from the sleeve
(2) (Fig. 6).
12. If the pin (1) is not accessible:
- disconnect the front differential lock control
hoses;
- remove the guard (1). Uncouple the rear sleeve
(5) from the transmission shaft (3) (Fig. 7);
- turn the drive pinion to correctly position the
coupling sleeve (2) (Fig. 6);
- drive out the pin (1) (Fig. 6).
13. Provisionally fit the set screw (8) in order to hold
the selector rail in place to remove the fork (28).
14. Slide the sleeve (2) and coupler (1) closer together
on the linkage shaft (3) (Fig. 8).
15. Note and mark the assembly order of the sleeve (2)
(Fig. 8).
Disengage the sleeve / link shaft / coupler
assembly towards the outside left-hand side.
Take it out of the fork (28) (Fig. 8) and remove it
through the right-hand cover.
16. Remove the fork (28) on the selector rail (7) (Fig. 9).
17. Disassemble the lever (3) (Fig. 3).
18. To remove the creeper unit control link (1), turn it
so it passes beneath the selector rail (7) (Fig. 10).
Discard the O'ring (3).