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Buick 40 Series 1948 Shop Manual page 434

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1
1-
36
AUXILIARY LAMPS
RADIO AND OTHER ACCESSORIES
(432)
in instrument panel.
3. Loosen screw
"A."
Remove handle screw,
handle, bearing, and spring then push pinion
up and remove it. Remove screw "A" and pull
housing from shaft. See figure 11-38.
4. Loosen the nut on friction bracket, re-
move mounting bracket attaching screws and
remove safety light from car.
PINION
·
0"
))
"'-..--/OFF
--=:""''--------
SWITCH
© - -
SPRING
~BEARING
HANDLE
HANDLE SCREW
Figure 11-38-Assembly of Safety Light Pinion and Handle
b. Installation of Safety Light
1. Make sure that mounting
bracket
fits
snugly into the lamp arm and is retained by
the small spring on shaft. A small tang of the
spring fits into a hole in shaft to hold mount-
ing bracket in place with the correct tension.
2. Place the gasket over shaft and against
mounting bracket. Rotate lamp head until racks
protrude from shaft to equal lengths, then tie
rack ends together with string or rubber band.
3. Put shaft through hole in body pillar
and through the friction bracket on inside of
body. Install mounting bracket attaching
screws, taking care to tighten screws alter-
nately a little at a time until both are .unifor mly
tight.
4. Be sure to turn switch to "off" position
to avoid damage to switch contacts. See figure
11-38.
5. Remove string or rubber band from
racks then slide housing into position on shaft.
Do not force housing into position as driving
racks may be
damaged.
Start screw "A" in
housing but do not tighten. Screw should be
in approximate center of locating groove in
shaft.
6. Insert the pinion between teeth of driv-
ing racks using care to start pinion in center of
hole in housing. Pinion should slip into place
easily under very light finger pressure. If more
than light finger pressure is required, pinion is
not located in center of hole in housirig.
7. Install spring, bearing, handle, and handle
screw. Tighten screw securely then rotate
handle to see that pinion and racks move freely.
Finally, tighten screw "A"
securely.
8. Install fuse in fuse holder, connect fuse
holder together and force it into clip located
just
below
the left defroster nozzle. Check to
make sure that safety light lead is securely at-
tached to No.3 terminal of the lighting switch.
11
-1 2
AUX I LIARY (FOG) LAMPS
When the lighting switch is in parking posi-
tion, either the parking lamps or the auxiliary
lamps will burn, depending on the position of
the auxiliary light
switch.
During the installation of the auxiliary
lamps, the white wire to the parking lamps is
disconnected from the No
.
2 terminal of light-
ing switch and connected to one terminal of
the auxiliary light
switch.
The other terminal
of auxiliary light switch is connected by a
jumper wire to the No.2 terminal of lighting
switch. The auxiliary lamp wiring is protected
by the thermo circuit breaker on the lighting
switch.
The auxiliary lamps must be properly a
imed,
and should always be checked after any work
on the front end sheet metal assembly. The fol-
lowing procedure covers proper aiming of each
lamp individually.
1.
.
Place car on a level stretch with a light
colored surface or aiming screen twenty-five
feet (25') ahead. Draw a horizontal line on this
surface four inches
(4")
BELOW the level of
the fog lamp center. See figure 11-39.
2. Sight through the center of the rear
window of the car over the radiator ornament
to determine the vertical center line of the car
and draw a vertical line at this point.
3. Place a vertical line the same distance
to t
he
left or right of center as the lamp is
from center of the car.
4.
Aim
the
lamp (without r
emoving
lens)
so that
the
top of
the
beam is at the horizontal
line, and centered sideways on the axis of the
lamps, regardless of its position to the left or
right of the car. After the lamp has been prop-
erly aimed, tighten the lamp nut securely.
11-1
3 REAR WINDO W WIPER
The control provided with the rear window
,.

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