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Jun 2001
Inlets
Agilent 6890 Gas Chromatograph Service Manual
Split/Splitless Inlet 210
Leak testing the EPC module only
Figure 210-17 EPC module serviceable parts
Correcting leaks
1. Use an electronic leak detector to check all areas of the inlet and plumbing
that are potential sources of a leak.
2. Tighten loose connections to correct leaks, if necessary. You may need
to repeat the leak test.
3. If the pressure drop is now 1.0 or less, you can consider the inlet system
leak-free. If the pressure drops faster than the acceptable rate, continue
to search for leaks and repeat the pressure test.
Aluminum bracket
O-rings
Supply fitting
O-ring
Inlet split vent fitting
Septum purge fitting
CAUTION
Aluminum bracket removed
for clarity, DO NOT completely
remove the bracket during
valve replacement.
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