Maintaining the PCM 14
Maintaining Your GC 271
7 Place a new O-ring on the new frit and press it down into the
block.
8 Place the block on the module and tighten the screw firmly.
9 Restore the gas supply.
After installing or replacing a frit, be sure to update the PIDs
used with your PCM. For more information, refer to the
Advanced User Guide.
WARNING
When hydrogen is used, dangerously high flows are possible if
insufficient flow resistance is provided downstream of the supply
tube. Always use either the High (Blue dot) or Medium (Red dot)
frit with hydrogen.
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