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Buick 40 Series 1948 Shop Manual page 409

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(407)
RADIO AND OTHER ACCESSORIES
RADIO
11-11
9.
Insert bare end of lead-in wire into the
Fahnestock terminal on the hard rubber insu-
lator. Push the slack wire up into the hole, in-
sert insulator up through the hole in the header
reinforcement,
and locate in the square hole of
the bracket just back of the header
reinforce-
ment.
The Fahnestock terminal must be located
in the upper left
corner.
See figure 11-8.
10.
While holding this insulator in place,
have a helper place the rubber pad on control
assembly so that the molded work "TOP" will
be toward front of body when
installed,
then
insert
the control assembly through the hole in
the top and through the hole in the
insulator.
11. Install lockwasher and run nut up until
the assembly is snug but not
tight,
using Wrench
J 1340. See that point of adjustment screw does
not strike polished ring.
12.
Place tube in the "down" position and
raise or lower the inside of the
antenna
control
assembly until the end of the outside tube
is
~~6
"
from
the
top of the windshield
division
(outer)
molding.
See
figure 11-6 or
11-7
at "F".
NOTE: It is
essential
that this
adjustment
be
made correctly in
ord er that
the rod and tube
assembly can
be easily
located in th
e
antenna
stop by
means
of the control knob in
side
th
e
car.
13.
Using
special
Spanner
Wrench
J 1339
the
man on the outside must hold the antenna
body so that the tube lines up with the wind-
shield division molding when lowered. Tighten
the nut on the inside securely w
ith
special
Wrench J 1340.
NOTE
:
If there is any doubt of the
location
of th
e
Fahnestock terminal the lead-in
wire
should
be checked
for "groun ds" with an ohm-
meter.
It
should, of course, show an
entirely
"open circuit". Do not check with a lamp or any
devic e
drawing current as the conductor inside
of
the loom is only .010" in diameter and will
burn off easily if grounded. For the same reason,
care should
be
taken to see that the bare termi-
nal on the end
of
th
e
plug does not touch any
"
hot" terminal
behind
the instrument
panel.
14.
Install
antenna
escutcheon plate, thread-
ing screws into holes provided in header
rein-
forcement. Install knob and tighten set screw
securely. See figure
11-8.
15.
Install windshield division (inner) mold-
ing, garnish molding escutcheon and rear view
mirror.
16.
Install antenna stop on windshield
divi-
sion (outer) molding in location shown in fig-
ure 11-6 or 11-7 and tighten screw securely. If
antenna rod does not snap into antenna stop
easily, spline head adjustment screw can be
turned in against polished ring to vary clear-
ance between rod and windshield division mold-
ing. Tension should be sufficient, however, to
prevent rod from rattling. This adjustment
should •not be used except for a very slight
change.
See step
12.
17. Connect
lead-in
wire to receiver and make
antenna
trimmer
ad
justment
(par. 11-3).
c. Installation of Rad
io
Antenna-
Conv'ertible Co up e
Installation of
the
r
adio
antenna on a con-
vertible coupe is
very
similar to that on closed
bodies (subpar.
b,
abo
ve ).
The installation de-
tails are clearly sh
own
in figure 11-9 (1948)
and figure 11-10 (19
49 ).
Note
that
the end of
the
outside
tube is
located
%"
from the top of
windshield division molding (at
"
F " ) whereas
this dimension is
%6"
on closed
bodies.
d. Installation of
Interference
Suppression Parts
Figure 11-11 shows
proper
installation of the
capacitor to
prevent
interference caused by the
generator.
Note
that
capacitor lead is connected
to the armature
("A")
terminal of generator.
Capacitor must
never
be connected to the field
("F") terminal as t
his
will cause bad pitting
of the voltage
regulat or
points, thus preventing
it from operating proper ly.
The dis
tributor suppressor
mu
st
be securely
attached to the
coil-to-distributor
high tension
wire at the distributor end. Installation of sup-
pressor on coil end
of wire
will not give satis-
factory
results.
The coil
capacitor
is mounted on the coil
bracket and the lead is connected to the battery
( +)
terminal of coil. See figure
11-12.
If capa-
citor is connected to the distributor (-) ter-
minal excessive pitting of distributor contact
points will
result.
Figure 11-13 shows the static collector in-
stalled in a front wheel hub grease cap. For
good results the
grease
cap and the center of
steering
knuckle
spindle
must be clean and free
from
grease.
The
center
of static collector is
made of self-lubricating material.
In addition to the items mentioned above, a
bond strap is attached to the temperature gauge
tube. This strap must have a clean tight con-
nection to the
dash.

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