22 5975/5977 Series MSD Operation Manual
1 Introduction
4 Eliminate all potential sources of ignition in the room.
5 Open the vacuum manifold of the MSD to atmosphere.
6 Wait at least 10 minutes to allow any hydrogen to dissipate.
7 Start up the GC and MSD as normal.
When using hydrogencheck the system for leaks to prevent possible fire and
explosion hazards based on local Environmental Health and Safety (EHS)
requirements. Always check for leaks after changing a tank or servicing the
gas lines. Always make sure the foreline pump exhaust and GC injection port
vents are both vented into a fume hood.
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