5 Checking the Clutch Shaft End Floats
Provided components are assembled correctly the end float
will be within the limits given. Check that the shafts can be
rotated by hand (turn the input shaft and output yoke). The
shafts should rotate smoothly. The end floats can be checked
to confirm correct assembly.
End float for all shafts will be within the range 0.02 mm to
0.16 mm (0.0008 to 0.0063 in).
All shafts except the Input Shaft:
Shaft 5a - Mainshaft
Shaft 5b - Reverse clutch unit
Shaft 5c - Layshaft
Shaft 5d - 6 speed shaft (not fitted to 4x4 gearboxes)
a Remove the plugs X and Y from the front casing.
4x4 Gearbox: plug Y not fitted.
b Fit a bolt to the threaded hole in the end of the shafts.
Pull up on the bolt to detect excessive end float.
Remove the bolt.
c Apply JCB Threadlocker and Sealer to the plugs X and
Y as applicable. Torque tighten the plugs to 102 Nm
(75 lbf ft).
Input Clutch Shaft:
a Pull on the input shaft 5e to detect excessive end float.
127 - 6
Section F Transmission
9803/3280
Section F
127 - 6
Issue 1
Powershift Gearbox
Assembly (cont’d)
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