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Section H
31 - 2
Link Arms - Removal and Replacement
Removal
Fix the assembly on a locally made strip/rebuild bench
1
as shown.
2
Using two suitable open ended spanners at L and M
react against each other until one ball joint unscrews.
3
Unscrew the ball joint L until an open ended spanner
can be fitted on the rod N. Screw the ball joint against
the spanner to secure the spanner and to prevent
damage to the rod.
4
By reacting against the spanner at N and M undo the
other ball joint.
Note 1: Flats at 'E' are:
2 Wheel drive machines - 32 mm A/F x 4 mm wide.
4 Wheel drive machines - 40 mm A/F x 4 mm wide.
Note 2: The piston rod operates at full length, any damage
to the surface will cause fluid leaks. DO NOT attempt to grip
the rod diameter with pipe grips etc.
Repeat the procedure for the remaining link arm
5
assembly.
6
Where applicable remove the target disc G.
Note 3: If the inner or outer ball joints need to be renewed,
then a replacement link arm assembly must be fitted.
Torque Settings
2WS /4WD
C 180 Nm (132 lbf ft)
2WS/4WD
C 140/150 Nm (103/110 lbf ft)
AWS/4WD
C 270/280 Nm (199/206 lbf ft)
AWS/4WD
C 270/280 Nm (199/206 lbf ft)
C N/A
2WS/2WD
9803/3280
Power Track Rod
H 45/50 Nm (33/36 lbf ft)
K 300 Nm (221 lbf ft)
H 70/85 Nm (51/62 lbf ft)
K 390/410 Nm (287/302 lbf ft)
K 240/260 Nm (177/184 lbf ft)
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Steering
Replacement
Replacement is the reverse of removal but note the
following:
1
Remember to fit the target disc G (where applicable).
2
Use JCB Threadlocker & Sealer on the trackrod link
arms.
3
If the link arms have been renewed, the wheel
alignment must be checked as follows:
a
Set the wheels to the straight ahead position and
measure dimensions X and Y (at the outer edge of
the wheel hub). Alignment is correct if the
difference between X and Y is a maximum of 1
mm.
b
To adjust the wheel alignment undo the lock nuts
(H or K as applicable). Turn the threaded adjusters
J equally to obtain the correct alignment. Tighten
the lock nuts (H or K as applicable).
Note 4: AWS machines shown at A. 2 wheel steer machines
shown at B.
Check the proximity switch setting (where applicable).
4
Refer to Service Procedures, Proximity Switch -
Setting.
Section H
E 240/260 Nm (177/184 lbf ft)
E 240/260 Nm (177/184 lbf ft)
E 450 Nm (331 lbf ft)
E 450 Nm (331 lbf ft)
E 240/260 Nm (177/184 lbf ft)
31 - 2
Issue 1
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