Maintenance and Service 6–7
2. Disconnect the high-voltage connector marked HIGH VOLTAGE
OUT FOR DMA ONLY on the side of the Classifier.
3. Disconnect all of the tubing between the Classifier and the
DMA.
4. Remove the DMA from the Classifier Platform (see “DMA
Mounting” under “Installing Model 3085 Nano DMA” in
Chapter 2).
5. Mark the location of the sheath flow fitting on the baseplate for
easy re-assembly. Loosen the two screws in the baseplate of
the DMA and remove the base.
6. Using a 0.050 inch Allen-wrench, loosen the grounding set
screw located above the high-voltage cable connector (see
Figure 6-4).
Figure 6-4
Disassembly of Model 3085 Nano DMA for Cleaning