Phoenix V6-173 2.8L VIN X 2-bbl (1982)
Choke Pull-off: Adjustments
Rochester Varajet E2SE Series
Primary Vacuum Break Adjustment
Fig. 18 Primary vacuum break adjustment. 1982 E2SE Carburetor
NOTE: Before performing adjustment procedure, remove primary vacuum break from carburetor and position bracket in vise, then grind off adjusting
screw cap and reinstall vacuum break.
1. Rotate degree scale until zero is opposite pointer, then with choke valve completely closed and fast idle screw on high step of fast idle cam, place
magnet squarely on top of choke valve and rotate bubble until it is centered, FIG 18.
2. Rotate scale so that specified degree for adjustment is opposite pointer.
3. Seat choke vacuum diaphragm using a vacuum source with over 5 inches HG of vacuum. Check to insure that air valve rod is not restricting the
vacuum diaphragm from being seated. It may be necessary to bend air valve to obtain a slight clearance between rod and end of slot in air valve
lever. If the air valve rod adjustment is disturbed, refer to the Air Valve Rod Adjustment procedure after completing the primary vacuum break
adjustment.
4. Hold choke valve toward the closed position by lightly pushing on intermediate lever and note angle gauge reading.
5. If adjustment is necessary, use a 1/8 inch hex wrench to rotate adjusting screw in rear cover until bubble is centered.
6. After completing adjustment, apply a suitable sealer over adjusting screw head.
Secondary Vacuum Break Adjustment
