Chevrolet 10 Series 1970 Service Manual page 43

WATER
VALVE
RECEIVER-
DEHYDRATOR
BLOWER TEMPERATURE
SW ITCH
FO O T COOLERS
Fig.
22 —G M C h e v ro le t System C o n tro ls
CONDENSER
F ig . 2 1 — G M C h e v ro le t System Components
KN O B
HEATER AND AIR CONDITIONING 1A-13
BLOWER-EVAPORATOR
ASSEMBLY
VACUUM
ACTUATOR
The b lo w er-eva p o ra to r unit is located under the glove
com partm ent as indicated in Figu re
containing two adjustable outlets and two foot co o lers,
d e liv e r s a ir to the d r iv e r ' s side of the veh icle.
en tire unit is attached to the instrum ent panel and to the
rig h t hand shroud side panel at fiv e locations.
CONTROLS (Fig. 2 2 )
System controls are the AIR knob controllin g the three
speed b low er m otor switch and the T E M P knob which
con trols the setting of the therm ostatic switch.
operatin g this system , the H eater must be fu lly o ff fo r
m axim um cooling.
A ir Knob
Turning the A IR knob clockwise operates the three
speed blow er m otor.
Temp Knob
T h is knob may be regulated to control the degree of
21. An a ir duct,
The
When
CHEVROLET TRUCK SERVICE MANUAL