Chevrolet Light Duty Truck 1973 Service Manual page 446

6 M - 2 2 E N G IN E FUEL
PULL OUTWARD ON PLUNGER STEM
TO END OF TRAVEL
THROTTLE LEVER
SHOULD CONTACT
PLUNGER
TURN SCREW
TO ADJUST
C.E.C. VALVE ADJUSTMENT
Models M-MV
Fig. 15C --C .E .C . V a lv e A d ju s tm e n t (M V ) Ty p ica l
DISCONNECT AND
PLUG DISTRIBUTOR
VACUUM HOSE
NOTE:
1/8" HEX
SCREW TO ADJUST
LOW IDLE
(SOLENOID NOT
ENERGIZED)
SET IDLE R.P.M. TO
SPECIFICATIONS
(TURN ASSEMBLY
IN OR OUT TO ADJUST,
SOLENOID ENERGIZED)
Back out idle stop screw and completely close throttle
valves in bore. Place gauge on top of air horn ring. Bend
the pump rod at lower angle to obtain specified
dimension to top of pump rod.
Fig. 17C-Accelerator Pump Rod Adjustment (2GV)
A IR V A LV E
C O M P L E T E L Y C L O S E D
P L A C E G A U G E B ETW EEN
R O D A N D E N D OF S L O T
IN L E V E R
AIR VALVE DASHPOT ADJUSTMENT
Fig. 1 6 C --A ir V alve D a s h p o t A d ju s tm e n t (4 M V )
3. Adjust to specifications by bending rod as shown.
ACCELERATOR PUMP ROD ADJUSTMENT
2GV
(Fig. 17C)
B EN D R O D H E R E
TO O B T A IN S P E C IF IE D
C L E A R A N C E B ET W E E N
R O D A N D EN D O F S L O T
IN LE V E R
D IA P H R A G M
U S E O U T S ID E
V A C U U M S O U R C E
LIGHT DUTY TRUCK SERVICE MANUAL