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Rolls-Royce Silver Shadow II - Replacement Blower Motors

Rolls-Royce Silver Shadow II
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"'
7
0
Service
Bulletin
I
ID>
O
LLS
· I
rt'\
O
YCE
MOTORS
Car
Division
Date
4 2
76
Pa
ge l
of
2
11
I
Cate
gory C
TO
DISTRIBUTORS
AND
RETAILERS
REPLACEMENT
BLOWER
MOTORS
APPLICABLE
TO:
11
11
11
11
I
11
All
Rolls-Royce
Silver
Shadow
and
Coachbuilt
cars
and
all
Bentley
T
Series
and
Coachbuilt
cars
produced
prior
to
car
serial
number
SRX
6000.
DESCRIPTION:
The
above
cars
are
fitted
with
two
wire
wound
field
blo
w
er
motors,
part
number
UD
8909.
Replacement
motors
of
this
type
are
no
longer
available
and
permanent
magnet
field
m
otors
will
be
supplied
for
all
replacement
purposes.
Howev
er,
due
to
certain
internal
differences
between
the
two
types
of
motor,
it
is
not
possible
to
fit
one
of
each
type
on
the
same
car.
It
will
therefore
be
necessary
to
replace
both
blower
motors,
and
as
the
motor
shafts
are
not
the
same
size,
it
"'ill
be
necessary
to
change
the
rotors.
To
ensure
correct
operation
it
will
also
be
necessar
y
to
fit
a
special
relay
to
the
right
hand
blower
motor.
All
necessary
components
to
replace
an
early
type
of
motor
are
contained
in
kit
number
RH
2650.
PROCEDURE:
1.
Replace
both
motors
and
rotors.
Retain
the
motor
which
has
not
failed
for
future
use.
2.
Connect
the
cables
to
the
left
hand
motor
such
that
the
motor
will
operate
in
a
clockwise
direction.
3.
Fit
the
relay
provideo
in
a
convenient
location
adjacent
to
the
right
hand
motor.
4.
Of
the
two
.
cables
originally
connected
to
the
motor,
connect
one
cable
to
terminals
7
and
A
of
the
relay.
Connect
the
second
cable
to
terminal
9
of
the
relay.
5.
Csing
a
suitable
length
of
cable
connect
terroinal
B
of
the
o
relay
to
a
suitable
earth
point.
3

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