1935 Cadillac - GM Heritage Center

141
LIGHTING SYSTEM
likewise have the upper edge of the hot spot at the
horizontal line, but with the maximum intensity
centered on the vertical line directly ahead of the
lamp and the right cut-off of the hot spot about a
foot to the right of this line as shown in Fig. 8.
No further aiming is required for the lower or
passing beam.
2. Replacing Headlamp Bulbs
The Multibeam headlamp bulbs are installed
in the reflector in a similar manner to the conventional
bayonet type bulbs. That is, they are
pushed on the retaining pins and turned or rotated
slightly clockwise to lock them in position.
It is important that all three pin heads project
through the bulb collar slots and that the collar
rests flat against the bulb seat before the bulb is
turned to lock it in position. When removing the
bulb it should be tipped or rocked slightly before
it is turned counterclockwise
Only standard National Mazda or Tung-Sol
bulbs, 32-32 candlepower Mazda No. 2330-L,
should be used.
3. Headlamp Misalignment Frequently
Caused by Pushing Car
Misalignment of headlamps is oftentimes caused
by workmen pushing against the headlamps when
moving the car. The headlamps should never be
used for this purpose.
4. Cleaning Headlamp Reflectors
Great care should be exercised in polishing the
headlamp reflectors to preserve the reflecting
qualities. A good cleaning paste can be made by
mixing rouge or talcum powder with alcohol.
Dry lamp black and alcohol are just as satisfactory
and may be more convenient. Apply the
paste with a clean soft cloth and rub from the
center outward in straight lines. Never polish
reflectors with a circular motion because the fine
Fig. 9.
Markings for adjustment of head lamps
Distance between lamp centers:
A—37½ in. (355-D and 370-D)
B—34½ in. (452-D)
C—30½ in. (350)
Height of lamp centers above floor:
0-40½ in. (370-D and 452-D)
E—39 in. (350 and 355-D)
circular lines break up the light rays and appreciably
reduce the illumination.
5. Removing Map Lamp Bulb Shield
To remove the map lamp bulb shield, first
pull the lamp out far enough to bring the end of
the threaded shaft on the plunger about flush with
the rear edge of the lemp cylinder. Then turn the
bulb shield slowly until the hole in the plunger
comes opposite the one in the lamp cylinder.
Next, insert a nail or its equivalent in these holes
to keep the plunger from turning and unscrew
the bulb shield from the cylinder. The bulb
shield has a right-hand thread.
The bulb shield is installed in the reverse order
of its removal.