Thermo Scientific 3600 PDM, Manual

Page: 93 / 132

Maintenance and Calibration
Cleaning the Cyclone and Inlet Tubing
Thermo Fisher Scientific PDM 3600 Instruction Manual 5-11
The cyclone and inlet tubing should be cleaned once per month, or as
necessary. Tool/materials needed for this procedure:
●
Canned air
●
Alcohol swab
●
Small flat-head screwdriver
●
7/64-inch hex wrench.
1. Remove the mass transducer from the PDM unit.
2. Disconnect the sample line from the cap lamp.
3. Remove the grit pot from the PDM unit and ensure that the grit pot
and its plastic outlet are clean (Refer to “Cleaning the Grit Pot” earlier
in this chapter).
4. Locate the top cyclone plate on the right-hand side of the PDM unit
and use a 7/64-inch hex wrench to remove the four hex screws from the
top cyclone plate (
Figure 5–15 and Figure 5–16 ).
Figure 5–15. Removing screws from top cyclone plate
Figure 5–16. Cyclone inlet screws (4)
Cleaning the
Cyclone and
Inlet Tubing
To clean the cyclone and
inlet tube:
Hidden
Inlet assembly
Top cyclone plate