Chevrolet Light Duty Truck 1973 Service Manual page 28

H EA TE R A D E F R O S T E R A S M
H E A T E R A
D E F R O S T E R A S M
(H E AT E R IN OFF P O S I T I O N )
AIR OUTLET
AI R OU T L E T
VI EW A
VI EW B
S T E E RI N G
C O L U M N
D E F R O S T E R D U C T A S M
B L O W E R A AIR
I NLE T A SM
VIEW B
F L O W L E G E N D
A I R
H E A T ER A S M
C-K MODELS
Fig. 1B--Heater A ir F low Schematic C -K Models