16
| Defender 500
www.natvac.com | 800.253.5500
Layout of vacuum line
1� Primary shutoff
2� Tank
3� Secondary Shutoff
4. Silencer and Oil Catch Muffler
5 � Vacuum Pump
6� Safety Relief Valve
• The mounting of a secondary shutoff (pos� 3) is suggested in
between the pump and the tank, for protecting the vacuum pump�
• A silencer (pos� 4) is suggested in order to reduce sound level�
6
5
3
6
1
2
66
4
P U M P L AY O U T