D 150 Pickup V8-318 5.2L (1984)
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(9)
Engage choke diaphragm link in slot in choke lever. Install choke diaphragm assembly and secure with attaching screw (Fig. 2) Reinstall
Vacuum Hose to Main Body.
(10)
Install bowl vent assembly (Fig. 1).
(11)
With pump links and levers installed, adjust the throttle blades to the closed position by backing out the idle speed screw.
(12)
Set the distance from the top of pump lever to the top of bowl vent cover surface to .050 +/- .005 for 2280 models or .180" +/- .010" for 6280
models by bending the pump link. Check that wide open throttle can be reached without binding.
(13)
Install gasket and bowl vent cover plate.
(14)
Install Idle Stop Solenoid.
(15)
Install air cleaner bolt and retainer assembly.
(16)
Remove carburetor from repair stand.
TSB 14-04-87 May 4, 1987 Publication #81-370-6008
5.
MECHANICAL POWER VALVE ADJUSTMENT 2280
(1)
Remove bowl vent cover plate.
(2)
Hold throttle in wide open position.
(3)
Insert 5/64" Allen wrench in mechanical power valve adjustment screw.
(4)
Push screw down and release to determine if clearance exists. Turn screw clockwise until clearance is zero.
(5)
Adjust by turning screw counter clockwise one turn.
(6)
Install bowl vent gasket and cover plate. If accelerator pump adjustment is changed, this adjustment must be reset.
6.
ACCELERATOR PUMP STROKE MEASUREMENT (AT IDLE) 6280
(1)
Remove bowl vent cover plate and gasket.
(2)
With pump link and levers installed, adjust the throttle blades to the closed position by backing out the idle speed screw.
(3)
Set the distance from the top of pump lever to the top of bowl vent cover surface to .180 +/- .010" by bending the pump link.
Check that wide open throttle can be reached without binding.
(4)
Install gasket and bowl vent cover plate.