Agilent Technologies 6850 Series Service Information page 100

Removing both the module and plumbing
assemblies
1. Loosen the three captive Torx screws which
secure the inlet to the oven, and lift the PTV
inlet out of the oven.
2. Disconnect the carrier gas supply line, split
vent line, and septum purge line (for the
septum head) from the inlet. Straighten the
tubing at the module so that the module can
be easily removed from the chassis.
3. Lift the filter trap from the LCO
then slide the module assembly out of the
chassis.
4. Replace the module assembly and plumbing
and reassemble in reverse order.
5. Check the system for leaks.
Released: April 2004
Removing the PTV module only
1. Remove the plumbing block from the front of
2. Inspect the O-rings in the block for damage
3. Slide the module from the chassis and
4. Installation is the reverse of removal.
5. Check the system for leaks.
bracket and
2
Replacing the plumbing assemblies
1. Turn off the oven and the inlet and allow
2. Turn off the oven and the inlet and allow
6850 Series Gas Chromatograph Service Procedures
the module by removing the screws.
and replace if necessary.
replace.
them to cool.
them to cool.
100