Replacement Of The Filter Element; Replacement Of The Preliminary Filter; Back-Purging Option Rs; Ball Valve Va Or 3Va - M&C SP Series Instruction Manual

17.1 REPLACEMENT OF THE FILTER ELEMENT

Maintenance of the probe is mainly limited to replacement of the filter elements and inspection of the
seals and gaskets. For this:
For probes with graphite sealing the lid sealing has to be changed whenever the
probe is opened.
Probes Sp3xxx/V have O-ring sealings which have to be changed only in case
of damage or embrittlement.
Necessary spare parts (1pc. each).
Warning
Graphite sealing M&C Part No. 93S0030
O-ring for probes Sp3xxx/V
O-ring 39 Part No. 93S0020
O-ring 55 Part No. 93S0025
•
Remove the protective cover after opening the toggle-type fasteners.
•
Dismount the filter holder part (see Fehler! Verweisquelle konnte nicht gefunden werden.).
•
Unscrew the filter thumb screw and replace the filter element.
•
Inspect the filter element seals and replace them if necessary.
•
Inspect the flat graphite or Viton
•
Clean the filter chamber.
•
Insert the filter holder part again and tighten hand-tight.
•
Fit the protective cover.
•
Check tightness of the probe after each opening
Any replacement gaskets required must be made of graphite or Viton
Warning

17.2 REPLACEMENT OF THE PRELIMINARY FILTER

The complete probe unit must be removed from the process before replacing the preliminary filter. The
preliminary filter can, depending on the type and degree of contamination, be cleaned mechanically or
in an ultrasonic bath and is then reusable.

17.3 BACK-PURGING OPTION RS

For probes with option RS function and tightness of the solenoid valve and the non-return valve have
to be checked.

17.4 BALL VALVE VA OR 3VA

For probes with option ball valve function and tightness of the ball valve have to be checked. Also
grounding resp. the copper band at the driving shaft has to be checked for proper condition.

17.5 BALL VALVE DRIVE MS1

For probes with option ball valve drive function and tightness of the drive have to be checked.
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gasket in the cover and replace if necessary.
SP3110../SP3110V.. | 1.00.02
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