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GBA20 layshaft with Power Shuttle
G . Shimming the shaft
I
: To carry out shimming on the mainshaft,
MPORTANT
the new unit must be refitted (see chapter 5).
35. Carry out the shimming on the shaft to obtain
clearance of J2 = 0 to 0.08 mm
36. Install the locally made tool
shaft.
37. Slightly compress the spring, while tightening the
nut of the tool, to correctly seat the bearing cones
in their cups.
38. Rotate the shaft a few turns. Check spring
compression again.
39. Using a depth gauge
between side A of bearing cup (52) and side B of
the housing
(Fig.
6).
40. Measure thickness Y of oil deflector (50).
41. Calculate the difference between X and Y.
42. Determine the thickness of shims required to
obtain J2.
N
: If possible, shim so as to obtain minimum
OTE
tolerance.
43. Remove the compression tool.
44. Fit shims (51) selected in operation 42.
45. Fit the oil deflector in the housing.
MA-05-06013A
05I02.8
(Fig.
6)
(Fig. 7
and § I) in the
(Fig.
5), measure dimension X
MA-05-00496A
50
B
A
X
J2 = 0 / 0,08 mm
Y
51
MA-05-00497A
Massey Ferguson 5400 - Issue 1.a
Fig. 5
52
Fig. 6
Fig. 7
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