Agilent Technologies 5975C TAD VL MSD, Troubleshooting And Maintenance Manual

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94 5975 Series MSD Troubleshooting and Maintenance Manual
4
General Maintenance
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.
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.
5 Unplug the GC/MSD interface heater cable from the GC.
6 Install the interface nut with the blank ferrule.
7 Open the analyzer cover.
8 Finger-tighten the side plate thumbscrews ( Figure 6 ).
9
Plug the MSD power cord in.
10
Switch the MSD on to establish a rough vacuum. Verify that the turbo
pump speed is greater than 50%.
11
Switch the MSD off.
12
Close the analyzer cover.
13
Disconnect the LAN, remote, and power cables.
C A U T I O N
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.