M&C TechGroup PMA 50 EEX Operator's manual - Manual (Page 31)

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Gas sampling and gas conditioning technology 9-3.15-ME
For dismounting the measuring cell, the following procedure is recommended:
W A R N I N G !
N O T E !
For any work with the analyser it must be ensured that the ambi-
ence as well as the analyser itself are free from explosive or flam-
mable gases !
W A R N I N G !
Dangerous voltage. before carrying out any maintenance or repair
activities, take the analyser and all external switching circuits in
connection with the analyser off the mains !

Loosen the inside hex screws of the housing window;

Unscrew the window lid of the analyser;

Loosen the fastening screws (4 x M4) of the inside front plate;

Pull out the front plate and fold it to the right side;

Remove carefully the black isolating cap from the transmitter unit;
W A R N I N G !
Hot transmitter surface up to 55°C. Touching may lead to burnings.
Wear safety gloves !

Loosen the threaded hose coupling of the sample gas inlet 1 (see figure 6) and the sample gas
outlet 2;
W A R N I N G !
Strong magnetic field. Before dismounting the transmitter unit, re-
move all sensible parts (eg. wrist watch etc.)!