Workshop
Manual
Rolls
Royce
Silver Shadow
8
Bentley
T
Series
Chapter
N
4.
Lubricate the new dust seal with the approved
power steering fluid and install in the plug with the
rubber face outward.
5.
Fit the retaining circlip, making certain that it
is correctly seated.
6.
Lubricate the new
'0'
ring seal with the approved
power steering fluid and fit it in the groove on the
adjuster plug.
7.
Assemble the large outside diameter thrust race
and thrust bearing, small thrust race, and thrust
bearing spacer on the
adjuster plug. Press the needle
bearing into the needle bearing bore using a brass
drift.
Note Location of circumferential dimples is not
important.
Stub shaft and valve
1.
The complete valve assembly is a precision unit
with selectively fitted parts and is hydraulically
balanced during assembly.
If replacement of any valve
part other than rings and seals is necessary,
the
complete rotary valve assembly must be renewed as a
unit.
FIG. N31 REMOVING AND INSTALLING
To avoid the possibility of damage to the assembly,
ADJUSTER PLUG NEEDLE BEARING
do not dismantle the valve unless absolutely necessary.
2.
If
the valve spool damping
'0'
ring requires
replacement, remove the valve
spool as described in
the following paragraphs, renew the
'0'
ring and fit
the spool.
Stub shaft and valve-To dismantle
1.
Remove and discard the worm to cap
'0'
ring.
2.
Remove the spool spring, using a small screw-
driver.
3. Ease the spring on to the bearing diameter of the
stub shaft then slide the spring off the stub shaft. Do
not score the bearing surface.
4.
Remove the valve spool from the valve body.
Note Clearance between the valve body and
spool may be as low as
0.0004 in. (0,010
mm.). Slight cocking of the spring may
cause it to stick in the valve body.
5.
To remove the valve spool hold the valve
assembly in both hands with the stub shaft pointing
downwards. Place the fingers under the valve body
and thumbs on the valve body cap, holding it securely
against the valve body. Lightly tap the end of the
torsion bar
agaiqst a work bench. This will expose
the spool
sufficiently to enable it to be withdrawn
FIG.
11132
INSTALLING OIL SEAL
from the valve body. Withdraw the spool with a
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