Acoustic Control Induction System (ACIS)

ACOUSTIC CONTROL INDUCTION SYSTEM (ACIS)

INSPECTION

1. INSPECT INTAKE AIR CONTROL VALVE




a. With 53.3 kPa (400 mmHg, 15.75 in.Hg) of vacuum applied to the actuator, check that the actuator rod moves.




If operation is not as specified, turn the adjusting screw.

b. 1 minute after applying the vacuum in (a), check that the actuator rod does not return.

2. INSPECT VACUUM TANK




a. Check that air flows from ports A to B.
b. Check that air does not flow from ports B to A.




c. Plug port B with your finger, and apply 53.3 kPa (400 mmHg, 15.75 in.Hg) of vacuum to port A, and check that there is no change in vacuum after 1 minute.

If operation is not as specified, replace the vacuum tank.

3. INSPECT VSV