LR3/Disco 3
operation of the ball joint.
LOWER CONTROL ARM
The lower control arm assembly comprises, the control arm, two bushes and a ball joint. The lower control arm is a
pressed steel fabrication with a hole at its outer end to accept the ball joint.
The inner end of the arm has two fabricated bush housings which are welded to the arm pressing. A bush is pressed into
each housing. The rear bush is a hydrobush which provides a progressive increase in the hardness of the bush as the
deflection of the wheel increases. The bushes are located between lugs on the chassis and are secured with bolts and
self-locking nuts through metal inserts in the centre of the bushes. The forward bush, self-locking nut, has a cam washer
located beneath it. The cam washer is located between lugs on the chassis bracket and its orientation can be adjusted to
Item Part Number
Description
1
-
Self locking nut
2
-
Flat washer
3
-
Cam washer
4
-
Bush
5
-
Special bolt
6
-
Bolt
7
-
Hydrobush
8
-
Cam washer
9
-
Flat washer
10
-
Self locking nut
11
-
Self locking nut - damper lower attachment
12
-
Ball joint
13
-
Circlip
14
-
Self locking nut
15
-
Lower control arm
16
-
Bolt - damper lower attachment
17
Jacking bracket
