Changing The Disposable Filter Unit (Dfu); Figure 5-3. Opening The Front Panel; Figure 5-4. Internal Dfu - Teledyne T640 User Manual

5.2.3.

CHANGING THE DISPOSABLE FILTER UNIT (DFU)

1. Power off the pump from the Setup>Vars>Pump Control menu.
2. Pull open the instrument's front panel, using the front panel finger grips.

Figure 5-3. Opening the Front Panel

3. Noting its orientation, remove the old DFU by detaching from the pneumatic
quick-connect fittings, and replace with a new DFU matching the orientation.

Figure 5-4. Internal DFU

Teledyne API T640 PM Mass Monitor 56
08354A DCN7303