Vacuum Control Testing

Adjust Vacuum Test Bleed Valve - Typical:

Use an adjustable Vacuum Test Gauge (C-3707-B) and a suitable vacuum pump to test heater control vacuum. With a finger placed over the end of test hose, calibrate vacuum control valve on the test gauge to obtain -27 kPa (8 in. Hg.). Release and block the end of the test hose several times to verify vacuum setting.