Change The Filter Elements And O Rings; Maintenance Of The Sample Gas Pump(S) - M&C CSS Series Instruction Manual

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);
Notice
• 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.
Warnung
• 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).
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In order to protect downstream analysers, in the event of a condensate
breakthrough, the wet filter element must always be changed.
Hazardous voltage. Pull the mains plug out before carrying out work on
the gas conditioning unit!
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