INFICON 3000 Micro GC Gas Analyzer Operating Manual - Manual (Page 194)

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3000 Micro GC Operating Manual
Figure 8-9 Thumbscrews on manifold cover plate
5 Carefully remove the manifold insulation. Save it for reuse. See Figure 8-10 .
Figure 8-10 Inlet manifold insulation
Three screw design
Two screw design
Loosen thumbscrews
Loosen thumbscrews
Manifold cover plate
Manifold cover plate
2-channel 3000 Micro GC
Others are similar
Remove insulation