Agilent Technologies 5977B Series Operating Manual page 153

3 Loosen the analyzer side plate thumbscrews if they are fastened. (See
In the next step, if you feel resistance, stop. Do not try to force the side plate open.
C A U T I O N
Verify that the MS is vented. Verify that both the front and rear side plate screws are
completely loose.
4 Gently swing the side plate out.
Side plate
Ceramic source
board
Ion source
Analyzer
Figure 46 The analyzer chamber for an Inert+ model MSD
5977B Series MSD Operating Manual
Figure 46 on page 153.)
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.
General Maintenance 6
153