Vacuum Check Valve: Testing and Inspection

VACUUM CONTROL VALVE
a. Connect the MITYVAC (Hand-Held Vacuum Pump) to port S of the VCV.
b. Plug port Z completely with fingers.







c. Perform pumping 3 times and apply vacuum as shown in the illustration.
d. Stop the performing pumping and check the indicated value of the MITYVAC after about 10 seconds.

Standard value: 15 - 24 kPa (112 - 180 mmHg, 4.4 - 7.1 in.Hg)

If the indicated value is not as specified, replace the VCV.