Buick 40 Series 1948 Shop Manual page 430

11 -32
HEATER RADIO AND OTHER ACCESSORIES
(428)
ALL WINDOWS
&
VENTILATORS CLOSED
--:?'\"'::::::;::===::::==::-
Figure 11 -29-Air Flow Restricted by Closed Windows and
Door Ventilators
FRONT VENTILATORS OPEN
REAR VENTILATORS
CLOSED
Figure 11 -30-Heat Distr ibution for Front Seat PaSiengers Only
FRONT VENTILATORS OPEN
Figure 11-31-Heat Distribution for Front and Rear Seat
PaSiengers
FRONT VENTILATORS OPEN
AIR OUTLET
CON TROL
V ~ ;:;:.;",.;"".==,.,;,..,::---;-:::~::"
Figu re 11 -32 -Air Flow Th roug h Outside Air Ven tila tors and
Heater fo r Summe r Ven tilation
REAR VENTILATORS
OPEN
REAR VENTILATORS
OPEN