/lolls-Royce
Silver
Shadow
B
Bentfey
T
Series
Workshop
Manual
Chapter
N
3.
Remove the three setscrews securing the bracket
to the front of the pump. Two of the setscrews are
fitted with distance pieces, note the positions to
facilitate assembly.
4. Using suitable soft vice grips,
lightly
clamp
the
pump drive-shaft downward in a vice.
5.
Remove the union from the pump coverlreser-
voir.
Care must
be
taken not to exert too much pressure
on the shaft when removing fittings as this may
/
\
distort the shaft bearing.
3
4
H
890
6.
Remove the pump rear mounting bracket and
FIG.
~11
POSITION
OF
PUMP
EXTERNAL
SEALING
bolts.
RINGS
7.
Remove the coverlreservoir from the pump
1
'0'
ring-cover/reservoir securing studs
housing by rocking it back and forth until it clears
2
'0'
ring-adaptor-pressure fluid
the sealing
'0'
ring.
3
'0'
ring-cover/reservoir securing studs
4
'0'
ring-cover/reservoir to pump housing
8. Remove the sealing
'0'
rings from the mounting
bolts and the union
(see Fig.
N11).
18. Remove the drive-shaft by passing it through the
9. Remove the end plate retaining ring of the pump
front
of the housing.
housing. This is achieved by depressing the retaining
lg.
Remove
the
lip-type
seal
from
the
front
of
the
ring udng a punch inserted through the
f
in.
(3,18
housing
only
if,
on
inspection,
it
is
found
that
it
mm.)
hole in the pump housing
(see Fig.
N12).
requires renewal.
10. When the ring is depressed, remove the ring from
The dowel pins remain in the pump housing.
the housing with
a
screwdriver as shown in
Figure
N12.
Withdraw the punch.
i
i
f
11. Remove the end plate. The plate is spring-
loaded from beneath and will normally seat above the
pump housing level after removal of the retaining
ring. If
sticking occurs, a slight rocking action will
free the plate.
12. Remove the pump from the vice and invert it.
The flow control valve and valve spring can
be
col-
lected as they emerge from the bore
(see
Fig.
N13).
13. Remove the end plate
'0'
ring.
14. Invert the pump housing to leave the shaft
uppermost then, using a soft-headed mallet, tap on
the end of the shaft until the pressure plate falls free
into the hand.
Important
DO
NOT
drive the shaft downward
into the housing more than is neces-
sary to free the pressure plate.
15.
Remove the pressure plate, pump ring and vanes,
taking care not to drop the smaller components.
16.
Reposition the pump housing in the vice with the
open end uppermost.
17.
Remove the snap ring
(see
Fig.
N14)
from the
FIG. N12 METHOD OF REMOVING END PLATE
inner end of the drive-shaft then remove the rotor and
RETAINING RING
-
-
-
-
-
-
-
thrust plate.
1
Retaining ring
2
End plate
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