80 - 3
Removal and Replacement (cont’d)
Replacement
Replacement is the reverse of the removal sequence.
!
WARNING
If, for whatever reason, a wheel stud is renewed, all the
studs for that wheel must be changed as a set, since the
remaining studs may have been damaged.
2-3-2-8
Whenever a wheel has been removed, check the wheel nut
torques every two hours until they stay correct.
Apply JCB Lock & Seal to the threads of bolts
A
.
The front axle must be shimmed to give a maximum fore and
aft movement of 0.5 mm (0.020 in).
Nylon shims must be fitted as follows:
AWS Machines
a
Fit a 5.0 mm thick master shim (coloured blue) between
the front of the axle and the yoke plate as shown at
X
.
b
Measure the fore and aft movement and subtract 0.5
mm to obtain the required shim thickness. Fit the
correct thickness shim between the rear of the axle and
the yoke plate as shown at
Y
.
2WS Machines
a
Fit a 5.0 mm thick master shim (coloured blue) between
the rear of the axle and the yoke plate as shown at
Y
.
b
Measure the fore and aft movement and subtract 0.5
mm to obtain the required shim thickness. Fit the
correct thickness shim between the front of the axle
and the yoke plate as shown at
X
.
Note 1:
DO NOT fit more than 2 shims (including the master
shim).
Note 2:
To assist assembly, use the double sided tape ring
supplied to retain the shims on the yoke plate.
If the setting of the steering proximity switch has been
disturbed, then complete the front axle proximity switch
setting procedure, see
Section H, Service Procedures
.
Torque Settings
Item
Nm
kgf m
lbf ft
A
79
8
58
D
680
69
500
Section F
9803/3280
Section F
80 - 3
Issue 1
Front Axle - SD55, SD70
A258180
X
Y