M&C TechGroup CSS-M Operator's manual - Manual (Page 15)

4-2.1.3-ME Gas sampling and gas conditioning technology 15
15 MAINTENANCE
Before carrying out any maintenance work, the specific safety instructions referring to the instalment
and the process must be observed!
W A R N I N G !
Dangerous voltage. Before any maintenance work is carried out on
the portable gas conditioning system, put the main switch of the
instrument into position “0” and tear the mains plug off!
The frequency of the maintenance work depends on the operational process and can therefore only be
determined in each individual case.
All parts which require maintenance work are easily accessible and are installed on the front side of
the gas conditioning unit CSS-M. Only for any work on the gas sample pump, the case has to be
opened:

Replace the filter element of the fine filter FPF-2-0,3 GF in case the flow rate is to low or after
visible control.
N O T E !
In order to protect downstream analysers in case of a irruption of
condensate, always replace the humid filter element.

The hose of the condensate pump SR25.2 should be checked every six months and, if necessary,
replaced (see chapter 15.3.1);

The diaphragm of the sample gas pump N3 KPE should be checked every six months and, if
necessary, replaced.
15.1 REPLACEMENT OF THE FILTER ELEMENT AND THE O-RING
N O T E !
In any case you open the filter, the filter element must be changed.
For changing the filter element and the O-ring:

Disconnect the mains voltage;

Unscrew the filter housing cover;

Exchange the filter element and/or O-ring. Pay attention to the correct insertion of the filter
element and the O-ring (the structural surface of the filter element must show to the front!).

Screw down the filter housing cover again.