Installing Or Replacing Frits In The Pcm - Agilent Technologies 7820A Manual

14
Maintaining the PCM

Installing or Replacing Frits in the PCM

270
To install or replace a frit:
Gather the following:
1
• O-rings, package of 12, 5180-4181
• Restrictor
Tweezers
•
2 Turn off the gas supply to the channel.
3 Select the appropriate frit. For information on selecting PCM
channel frits, refer to the
Remove the screw holding the tubing block with the output
4
tubing.
5 Remove the tubing block. Remove the frit and O-ring using
the tweezers. Be careful to avoid scratching the metal
surfaces.
Remove the other O-ring as well. Replace it with a new
6
O-ring.
Advanced User Guide.
Maintaining Your GC