CRS 202910 Manuel d'utilisation - Page 12

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Operation and Maintenance

The AFS Purifier I has two visual indicators, one for oxygen and one for
moisture. When the green indicator changes to gray, indicating oxygen
contamination, or the blue indicator changes to light brown, indicating
water contamination, the filter cartridge should be changed.
To exchange the spent cartridge, first turn off the gas supply upstream of
the filter. Shut down any instruments downstream of the filter. The check
valves in the manifold will interrupt the gas supply when the cartridge is
removed and protect the gas lines from the atmosphere.
Unscrew the clamping screw. This pushes the cartridge off the manifold
spools. Only after the screw is completely disengaged is it possible to
remove the filter from the manifold.
Mount the replacement cartridge as instructed in the section "Setup".
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CRS AFS Purifier I