Adjustment
1. Warm up the engine to operating temperature.
2. Remove the air filter.
3. Connect a tachometer (with the ignition off) and a gas analyzer to the engine. On an engine with a working volume of 1.3 dm³, the gas analyzer is connected to the intake pipe in the engine compartment, which is located on the exhaust pipe and closed with a plug.
CVH engines with a working volume of 1.3 and 1.6 dm³
4. Press the throttle actuator lever (2) and close the air flaps (1).
5. Release the throttle actuator lever, which causes the stepped washer to lock into place.
6. Release the air flaps, which should be set to the fully open position.
7. Start the engine and measure the speed at idle.
8. If the measured number of revolutions deviates from the norm, loosen the lock nut on the adjusting screw (indicated by the arrow) and, by turning the screw, set the required number of revolutions, then secure the screw with the lock nut.
9. Install the air filter.
CVH engines with manual choke control
10. Pull out the choke control cable and set the choke to the open position.
11. Start the engine and measure the speed at idle.
12. If the measured number of revolutions deviates from the norm, adjust the number of revolutions by turning the adjusting screw located under the cable.
13. Since October 1987, the carburetors have been equipped with an air damper drive with a spring, which can also be installed on cars of earlier production.
(The article was taken in its entirety from the specified website: FORDBOOK.RU)