Agilent Technologies MSD 5977B Series Operating Manual page 177

7 General Maintenance
To Open the Analyzer Chamber
In the next step, if you feel resistance, stop. Do not try to force the side plate
C AU T I O N
open. Verify that the MSD is vented. Verify that both the front and rear side
plate screws are completely loose.
4 Gently swing the side plate out.
Top side plate
thumbscrew
Side plate
Ceramic source
board
Ion source
Analyzer
Figure 54. The analyzer chamber for an Inert+ model MSD
5977B Series MSD Operating Manual
The bottom thumbscrew on the analyzer side plate should be unfastened
during normal use. It is only fastened during shipping. The top thumbscrew
on the front side plate should only be fastened if hydrogen or other
flammable or toxic substances are used for carrier gas, or during CI
operation.
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