FRONT SUSPENSION
AND
STEERING
2.
MAINTENANCE
An
oil filler is provided in the form of a
rubber plug, which is located on the steering
column at approximately
12"
from the
steering box.
A high pressure oil should be used for
replenishment. (See Lubrication Chart for
Recommended Lubricants.)
The felt bush
in
the top of the colwim outer
tube is graphite impregnated and should,
therefore, require no additional lubrication.
If owing to extreme climatic conditions a
"squeak" should develop in the bush, extra
lubrication should be by
colodial graphite.
Oil should not be used since it tends to make
the bearing "sticky."
An
occasional check for tightness should be
made to the steering drop arm, the ball
joints and also the steering box securing
bolts.
Adjustment of the steering box can be
affected in two ways, firstly by shims
interposed between the steering box and its
end cover, and secondly by a setscrew
mounted in the top cover.
3.
ADJUSTMENT OF STEERING BOX
Means of adjustment to take up wear is
provided at two points, both of which are
accessible
with
the steering column in
position.
The
FIRST
means of adjustment is made
by adding to, or taking from, the shim pack
located between the end cover and the
steering box. (See Note).
The thickness of the shim pack controls the
amount of "float," or pre-load, of the inner
column.
While a slight amount of pre-load is permis-
sible,
in
no circumstances must there be
any end float.
The second means of adjustment is by a
hardened setscrew and locknut, situated on
the top cover plate.
This screw controls the amount of
lift
in the
rocker shaft and is adjusted with the rocker
shaft in the centre of the box, that is, the
straight ahead position.
The
cam
gear, which is integral with the
inner column, is similar in shape to a spiral
cam,
having a greater diameter at its centre
than at its extremities.
When adjusting the rocker shaft
it
will
be
noticed that at the extremities of the arc
through which the rocker shaft moves, a
certain amount of lift can be felt, and as the
shaft moves to the centre, the amount of lift
is progressively reduced.
The correct adjustment of the rocker shaft
is when on turning the steering wheel from
lock to lock, a very slight resistance is felt at
the centre of the travel.
The point of resistance should correspond
with the straight ahead position of the
steering.
NOTE
:
The adjustment of the rocker shaft
should only be made after ensuring that
NO
end float exists in the inner column.
4.
TO REMOVE CONTROL HEAD
FROM STEERING WHEEL
(a)
Disconnect the horn and flasher
control wires at the "snap connectors"
situated on the wing valance. Suit-
ably
idenufy these wires for subsequent
reconnection
if
the colouring is not
distinguishable.
(b) Slacken off the gland nut which secures
the stator tube to the end cover of the
steering box.
(c)
Slacken the three grub screws which
are situated radially in the steering
wheel hub.
(d)
Withdraw the control head and stator
tube from the steering column.
(e)
The stator tube
can
now be withdrawn
from the control head. These com-
ponents are a slide
fit
just below the
control head.
5.
TO
FIT
CONTROL
HEAD
AND
STATOR TUBE TO
THE
STEER-
ING
WHEEL
(a)
Place the steering wheel in the straight
ahead position. This position
can
be
checked by inspecting the alignment of
all four wheels.
(b) Feed the stator
tube,
with the anti-
rattle springs in position, into the inner
column of the steering
unit
with the
tube
slot uppermost and at the
12
o'clock position. Allow approximately
1 inch of tube to protrude from the end
cover of the steering box.
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