General Maintenance 4
5975/5977 Series MSD Operation Manual 95
The bottom thumbscrew on the front 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.
4 Gently swing the side plate out.
CAUTION
In the next step, if you feel resistance, stop. Do not try to force the side plate open.
Verify that the MS is vented. Verify that both the front and rear side plate screws are
completely loose.
Figure 10 The analyzer chamber
Feedthrough board
Ion source
Side plate
Analyzer