82 5975/5977 Series MSD Operation Manual
3 Operating in Electron Ionization (EI) Mode
To Move or Store the MSD
Materials needed
• Ferrule, blank (5181-3308)
• Interface column nut (05988-20066)
• Wrench, open-end, 1/4-inch × 5/16-inch (8710-0510)
Procedure
1 Vent the MSD (See “Vent the MSD”on page 77).
2 Remove the column and install a blank ferrule and interface nut.
3 Tighten the vent valve.
4 Move the MSD away from the GC (see the 5977B Series MSD
Troubleshooting and Maintenance Manual).
5 Unplug the GC/MSD interface heater cable and LVDS cable LIXVHGfrom
the GC.
6 Open the analyzer cover (See “To Open the MSD Covers”on page 76).
7 Finger-tighten the side plate thumbscrews.
CAUTION
Do not overtighten the side plate thumbscrews. Overtightening will strip the threads in
the analyzer chamber. It will also warp the side plate and cause leaks.
Front thumbscrew
Rear thumbscrew