MASSEY FERGUSON 5400 - Page 228

Massey Ferguson 5400 - Issue 1.a
05H02.8
GBA20 mainshaft with Power Shuttle
C . Disassembling and reassembling
the shaft
Disassembly
NOTE: If work is only carried out on drive pinion (67),
hold the pinion and 1st, 2nd synchronizer assembly in
a straight line using a screwdriver so as not to move
the washer with flat sections (77).
8. Take off circlip (26).
9. Remove 3rd, 4th synchromesh (23) and cones (33)
and (47). Note the assembly order.
Remove the 4th gear pinion (18).
10. Position locking tool 3378082M1 (Fig. 3) and the
holding sleeve of shaft (69) (Fig. 4), made locally
(see § E).
11. Remove lubricating pipe (71) and spring (72).
12. Remove the safety device from nut (68) and loosen
with socket 3378010M1 (Fig. 5 et § E).
13. Remove drive pinion (67) with cone (1).
14. Remove washers (6) and shim(s) (3).
15. Remove the tool and sleeve (Fig. 3 - Fig. 4).
16. Pull the shaft out of the housing backwards, while
holding the 1st, 2nd pinion assembly together.
17. Remove 1st, 2nd pinion and synchromesh (11)
assembly with ring (8). Remove cups (16) and (2).
N
OTE: Keep cups and cones paired if reused.
18. If the drive pinion (67), shaft (69) or taper roller
bearings (1) (2) and (16) (17) need to be replaced:
- remove the flat sided washer (77);
- extract the bearings cones (1) and (17);
- remove snap ring (70).
Fig. 3
Fig. 4
Fig. 5