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5. Inspect the filter: chips, scratches, and/or
cracks in the light path scatter light, reduc-
ing detector sensitivity. Replace filters as
necessary.
Clamp
Figure 1-18. FPD disassembly
Released: April 2004
6850 Series Gas Chromatograph Service Procedures
Inspect the PMT window for damage; if
necessary, replace the PMT. See
tiplier tube"
on page 1-201.
Window, second heat shield
Flange adapter
New?
"Photomul-
0-ring
0-ring
Flange ring
O-ring,
Viton
178
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