866 Challenger Series |
23
www.natvac.com | 800.253.5500
1�
Procure a flange to mount on your four-way valve, a short 4” pipe
nipple, a 4” pipe cap and a vacuum gauge.
2�
Drill and tap a 1/4” NPT thread in the pipe cap.
3�
Assemble the flange, nipple, pipe cap and vacuum gauge.
4�
Remove a flange from the four-way valve on your pump.
5�
Start the pump and confirm the location you have chosen to test
from is at vacuum.
6�
Using the existing O-ring, fasten the testing flange to your pump.
7�
Start your pump and read the vacuum level on the gauge.
Making a Vacuum Tester