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GBA20 Power Shuttle
F . Disassembling and reassembling
the driving pinion - Shimming the
shaft
Preliminary operations
103.Remove the forward clutch (see § B).
104.Remove the input unit (see section 5).
105.Remove the reverse clutch (see § E).
106.Remove the Speedshift unit (see section 5).
Disassembly
(Fig.
107.Remove the screws (5) and the stop plate (8).
108.Recover the shims (3) and the cup (4).
109.Pull out the secondary shaft (1), fitted with the
bearing cone, (6) and the unit (7).
110.Note and mark the assembly order of thedriving
pinion (2). Remove the pinion.
111.Recover the bearing cone (9). Extract the cup (10).
05C02.24
19)
Reassembly
112.Check that the ports of the secondary shaft (1) and
the housing channels (7) are not blocked.
113.Clean and check all components. Replace any
defective parts.
114.Lubricate the cones and the cups of the bearing
before assembling.
115.Fit the cup (10) in the housing. Fit the bearing cone
(9) in the cup.
116.Position the pinion (2), correctly turned in the
housing
(Fig.
19).
117.Fit the bearing cone (6) against the shoulder on
shaft (1). Slide the shaft through the pinion (2) and
bearing (9).
118.Position the cup (4).
Determine the thickness of shims (3) to obtain a
temporary clearance of 0.10 to 0.15 mm approx.
for final shimming with pre-loading. Position the
shims and the stop plate (8). Tighten the screws to
a torque of 25 - 32 Nm.
119.Put the unit (7) in a vice.
Massey Ferguson 5400 - Issue 1.a
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