MASSEY FERGUSON 5400 - Shimming the Secondary Shaft

Massey Ferguson 5400 - Issue 1.a
05C01.14
GBA20 mechanical reverse shuttle
E . Shimming the secondary shaft
37. Secure the unit in a clamp fitted with soft jaws.
Preparing for shimming
38. Manually check for clearance on the secondary
shaft (19) in the housing (26).
If there is no clearance, momentarily remove one
or several shims (1).
Shimming
39. Position the dial gauge feeler pin on the end of the
shaft (19) (Fig. 14).
40. Pull hard on the secondary shaft (19) to correctly
position the ball bearing (24) against the circlip (25).
41. Set the dial gauge to zero.
42. Repeat operation 40 while pushing to bring the ball
bearing (9) up against the shoulder of the housing
(26).
43. Depending on the clearance measured, select a
new thickness of shim(s) (1) to obtain a clearance
of J1 = 0.05 to 0.20 mm (Fig. 15).
N
OTE: If possible, shim the secondary shaft close
to the minimum tolerance value.
44. Take off circlip (25).
45. Position the final shim(s) (1) selected during opera-
tion 43 on the bearing (24).
46. Refit the circlip (25). Check that it is positioned
correctly at the bottom of the groove.
MA-05-05046A
19
Fig. 14
J1 = 0,05 / 0,20 mm
MA-05-05047A
Fig. 15