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80
L I G H T I N G
S Y S T E M
Replace
bulb
if it
shows
signs
of blackening.
Fry
lighting
switch
in all
positions
to see that
all
Filaments
burn
properly.
- 3 2
C. P.
Filament
21 C P.
Filaments
Fig. /
-
f i g 2
Up,ighis
40-//2
in
long
Three-hlament
Bulb
for SUPERSAFE
Headlamps
A d i u s l m e n l
s e
, . „
p
i
h
o
w
i
n
g
p r o p e r
p o s
, „
0 (
,
o
f
c
a
r
w
i
t
h
reference
-•-
r
^Centerline
of Car
(
0
s c r e e n
and
accurate
method
of locating
level
of
headlamp
centers
on screen
locate
car on a reasonably
level
surface
with
headlamps
aimed
toward
and
twenty.five
feet
from
screen
Draw
a horizontal
line
o n screen
ot level
of headlamp
centeis,
located
by sighting
over
two uprights,
40-1/2
inches
long,placed
opposite
the wheels
as shown
a b o v e . This is extremely
important.
Draw
a second
line
3 inches
below
the First
Locate
center
point
on
lines
by
sighting
through
center
of rear
window
and o v e r
c e n f e r of radiator
cap.
Draw
vertical
lines
16 inches
to
either
side of this center
point,
directly
ahead
of each
lamp
Centerline
ahead
of
left
headlamp
Headlamp
Level
Road
level-
Centerline
ahead
of
right
headlamp
Right
SUPERSAFE
CITY
UPPER
BEAM
correctly
aimed
for unloaded
car.
Aim
nght
headlamp
so that
light
beam
centers
on right
vertical
line
on screen
directly
ahead
of lamp
so that
upper
edge
of
beam
registers
on
lower
horizontal
line.
Headlamp
Level
-32 in.-
"1
3
S
Modified
right
COUNTRY
UPPER
BEAM
correctly
aimed
for loaded
car in states
which
do not
per-
mit
the use of the standard
Country
Upper
Beam.
Aim
nght
headlamp
so that
light
beam
centers
on right
vertical
line
on s c r e e n directly
ahead
of lamp
so
that
upper
edge
of
beam
registers
on upper
horizontal
line
at level
of headlamp
center
Fig. 4
Composite
CITY
UPPER
BEAM
pattern
on properly
marked
adjustment
screen
Headlamp'
Level
±
3
T
i
40
1/2 in
-32
inM
y
Lett
SUPERSAFE
CITY
UPPER
BEAM
correctly
a'imed
for
unloaded
car.
Aim
left
headlamp
so that
left
side
of light
beam
coincides
with
left
vertical
line
and upper
edge
of beam
is on upper
horizontal
line.
Fig.
3
Aiming
practices
vary
in different
states
so that
no single
set of
instructions
is applicable.
The aiming
practice
described
above
is the one advocated
by the
Cadillac Motor Cor Company as
likely
to result
in maximum
safety
and comfort
to all
concerned.
Where
some
other
practice
is speciFied
by law or
regulation,
follow
it.
m
i
l
_-<rr~^lr:—•
Headlamp
Level
One
halt
X
'
'
of
distance
b e t w e e n
c e n t e r s
of
lamps.
Fig. 5
SUPERSAFE
CITY
UPPER
BEAM
with lens
removed
Fixed-focus
headlamps
need
n o focusing
but better
results
will
be
obtained
it the switch
is turned
to the "City
Upper
Beam''
pos-
ition
and several
bulbs
a r e f r i e d
u n t i l o n e
is o b t a i n e d
w h i c h
p r o -
d u c e s a
beam
pattern
like
that
shown
above
w i t h the
h o t
s p o t
as
bright
and as near
the top of the beam
as
possible.
Centerline
of Car^
Fig.
6
25 Feet
to Front
of
Lamp
Markings
for Adjustment
at LaSalle
Headlamps
Same
height
above
.
....
floor
as lamp
center.
/ / ^ / r T T ^ ^ ^ ^ ^ ^ T ^ ^ ^ ^ ^ ^ ^ ^ ^
its) Left-hand
upper
beam
without
lens
Fig. 7
LaSalle
345-B
Light
Beams
Light
beams
with
lamp
properly
aimed.
After
ad
justing
o n e lamp,
repeat
adjustment
on o t h e r
lamp
P l a t e 42.
S u p e r - S a f e L a m p B u l b a n d F o c u s i n g C h a r t s
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