16 Maintaining EPC Modules
Installing or Replacing Frits in the PCM
262 Maintaining Your GC
Installing or Replacing Frits in the PCM
To install or replace a frit:
1 Gather the following:
• O-rings, package of 12, p/n 5180-4181
• Frit
• Tweezers
2 Turn off the gas supply to the channel.
3 Select the appropriate frit.
4 Remove the screw holding the partner fitting with the output tubing.
5 Remove the tubing block. Remove the frit and O-ring using the tweezers. Be careful to
avoid scratching the metal surfaces.
6 Remove the other O-ring as well. Replace it with a new O-ring.
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.
Frit
O-ring
Screw
Molded Partner fitting
Channel 1
Channel 2
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