ECOTEST MKS-UM Operating Manual page 97

3.1.3.7 Replacement of O ring of the ABG probe's protection cover
3.1.3.7.1 If the O ring of the protection cover is damaged it should be replaced
with the new one included in the delivery kit.
Do the following:
- loosen the two captive screws holding the protection cover and remove the
cover (Figure 3.2);
- replace the O ring (1):
- firmly press the protection cover with grids and gaskets to ABG probe's body
(Figure 3.5);
- tighten the two captive screws (Figure 3.6).
Figure 3.7 – O ring of the protection cover
of ABG probe's body
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