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11-6
RADIO
RADIO AND OTHER ACCESSORIES
(
40 2)
INSTRUM
ENT
PANEL
_
NUT
_
FLA T
WASH ER
_ . - _
.-
FELT
WAS
HER
1305219
- - - - /
CONTROL
KNO B-
- --
-
- . /
Figure 11-S-Radio Receiver Installation-1948 Series SO-70
I
lip on the hangers.
6. Install and tighten hex nuts on threaded
bushings. Hold receiver up until rubber gasket
at speaker opening touches the back of speaker
grille, then install large flat washers, lock-
washers and nuts on receiver studs and
tighten nuts securely. See figures 11-4 or 11-5.
7. Install tone control and dummy knobs,
felt washers, and control knobs. To install
control knob, push knob on shaft as far as
possible. To remove knob, insert a small screw-
driver in slot on edge of knob and pry against
the flat spring located inside of knob (fig. 11-4).
8. Connect the "A" lead cable to one of
the No.1 (unprotected) terminals of lighting
switch. Never connect to any other
terminal.
Install 15 ampere fuse in receptacle in receiver
and connect lead to receiver. On Series 40, the
"A" lead connects to receiver socket toward
right side of car. On Series 50-70, it connects to
socket toward left side of car. See figure 11-1.
9. If antenna is installed, connect the an-
tenna lead-in wire to receiver and make antenna
trimmer adjustment (par. 11-3).
b. Installation of Radio Antenna-
Closed Bodies
IMPORTANT: The standard Buick antenna
is matched with the receiver within the range
of the trimmer adjustment. Other
antennas
may
not match the
receiver within the
range of the
trimmer adjustment; therefore the use of other
than a standard Buick antenna is not recom-
mended.
If
a new roof panel has been installed it will
be necessary to cut a hole for the antenna con-
trol as described in steps 1 and 2. If new head-
lining has been installed, the headlining must
be slit as described in step 3. Otherwise, these
steps are not required as antennas are installed
at the factory.
1. Cover area of roof panel where antenna
control is to be installed with masking tape to
avoid damaging the paint. Draw a line on mask-
ing tape in alignment with center of windshield
division (outer) molding. On another car of
same model measure distance from top edge of
windshield reveal molding to center of antenna
control, then layoff this same distance on the
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