VACUUM PUMP(When Using the Engine Support Bridge for AD Series Engine) ON-VEHICLE INSPECTION

PROCEDURE

1. OPERATION CHECK

   1. Disconnect the vacuum hose from the vacuum pump.

   2. 

      *a	Vacuum Gauge

      Connect the hose of the vacuum gauge to the vacuum pump.

   3. Start the engine and warm it up for more than 2 minutes.

   4. With the engine idling, check the negative pressure of the vacuum pump.

      Standard pressure

      More than 87 kPa (650 mmHg, 25.6 in.Hg)

      Tip:

      If the result is not as specified, replace the vacuum pump.

   5. Remove the vacuum gauge from the vacuum pump.

   6. Connect the vacuum hose to the vacuum pump.