Chevrolet Light Duty Truck 1973 Service Manual page 463

VIEW A —ENGINE OFF
SNORKEL TUBE
VACUUM CHAMBER
LINKAGE
\
CONTROL DAMPER ASSM.
VIEW C— UNDERHOOD TEMPERATURE
ABOVE 128°F
AIR BLEED VALVE OPEN
SNORKEL TUBE
VACUUM CHAMBER
LINKAGE
AIR INLET
S'
CONTROL DAMPER ASSM.
TOOL J-22973
Fig. 12A--Temperature Gauge Installation
Fig. lOA-Thermostatically Controlled Air Cleaner
DIAPHRAGM SPRING
r
DIAPHRAGM
HL.
HOT AIR PIPE
DIAPHRAGM SPRING
DIAPHRAGM
■HOT AIR PIPE
Fig. 11A--Air Cleaner Operation
VIEW B -U N D E R H O O D TEMPERATURE
BELOW 85°F
DIAPHRAGM SPRING
VACUUM CHAMBER
SNORKEL TUBE
■^1
CONTROL DAMPER ASSM. 1 | j
VIEW D -U N D E R H O O D TEMPERATURE
BETWEEN 85°F AND 128°F
DIAPHRAGM SPRING
VACUUM CHAMBER
SNORKEL TUBE
AIR INLET
CONTROL DAMPER ASSM
Fig. 13A -Checking Vacuum Diaphragm
E N G IN E FUEL 6 M - 3 9
AIR BLEED VALVE
. CLOSED
TEMP. SENSING
SPRING
DIAPHRAGM
HOT AIR PIPE
AIR BLEED VALVE
TEMP. SENSING
SPRING
HOT AIR PIPE
LIGHT DUTY TRUCK SERVICE MANUAL