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Change the filter elements and o rings, Maintenance of the sample gas pump(s) – M&C TechGroup CSS-VC2 Operator's manual User Manual

Page 42

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Gas sampling and gas conditioning technology

14.1a-ME

The maintenance intervals depend on the process conditions and therefore need to be determined for
specific applications.

All serviceable parts are mounted in an easily accessible location in the front of the compact gas
conditioning unit CSS-VC...

Change filter elements of the dust and aerosol filters (FPF-0,1GF/FPF+/universal filter/aerosol

filter) when there is too little flow or after visual inspection (see Section 18.1);

N O T I C E !

In order to protect downstream analysers, in the event of a
condensate breakthrough, the wet filter element must always be
changed.

Check the condensate pump SR25.2 every six months and replace if necessary (see section

18.3.1)

Clean cooling fins on the compressor cooler of dust regularly using compressed air (see Section

18.4)


18.1

CHANGE THE FILTER ELEMENTS AND O RINGS

To change the filter elements and O-rings:

Unplug the gas conditioning unit from the mains

Unscrew filter glass

Unscrew filter element with filter holder

Exchange filter element and/or O-ring(s). Ensure correct seating of filter element and O-
ring(s).

Screw glass filter cap back


18.2

MAINTENANCE OF THE SAMPLE GAS PUMP(S)

Diaphragm and valve plates are the only pump parts subject to wear. They are easy to change. Wear
is indicated by a drop in pneumatic power.

W A R N I N G !

Hazardous voltage. Pull the mains plug out before carrying out
work on the gas conditioning unit!

Unplug the gas conditioning unit from the mains;

Loosen 4 screws (captive) on the front panel and, without removing the hoses and wiring, bring

slightly forward and pull up out of the housing support; the front panel can now be suspended

back in the housing holder by rotating it 90° (Figure 17).