MASSEY FERGUSON 5400 - Page 175

Massey Ferguson 5400 - Issue 1.a
05F01.17
GBA20 selector rails with mechanical reverse shuttle
Reassembly
63. Clean and check all components. Replace any
defective parts.
64. Refit the selector rail through the selector cover
aperture by passing it through the Hare / Tortoise
cylinder bore (Fig. 17).
Refit the forks.
65. Check that the hydraulic ports in the Hare /
Tortoise cylinder (10) are not obstructed. Refit the
cylinder fitted with a new O' ring (11) (Fig. 18).
N
OTE:
The cylinder (10) is held in position (Fig. 18):
- at the front, by the shoulder machined on its
outer diameter;
- at the rear, by the cover (15).
66. Slide the selector rail forwards into the Hare /
Tortoise fork and the 3rd, 4th and 1st, 2nd forks.
67. On the piston (13), fit O' rings (12) (14), then intro-
duce it into the cylinder bore (10) and onto the
selector rail (7) (Fig. 18).
Turn the adjusting screw holes towards the tapped
holes on the fork. Temporarily lock the piston with
a screw (19).
68. Fit the cover (15) with the screws (16). Tighten the
screws to a torque of 25 - 35 Nm.
69. Clean the set screw (8). Smear its thread with
Loctite 542 or equivalent. Tighten to a torque of
38 - 43 Nm.
70. Smear the cup plug (9) with Loctite 542 or equiva-
lent. Fit it flush with the housing.
71. Fit the locking studs, springs and locking plugs.
Tighten the plugs to a torque of 50 - 70 Nm.
Fig. 17
Fig. 18