Specifications

General Maintenance 4
5975 Series MSD Troubleshooting and Maintenance Manual 109
To Refill the EI Calibration Vial
Materials needed
• PFTBA (05971-60571)
Procedure
1 Stop any tuning or data acquisition.
2 Turn off the analyzer. There are several ways to do this:
• In the Tune and Vacuum Control view, select MS OFF from the Execute
menu.
• In the Instrument Control view in the Edit Parameters dialog box, select
MS OFF from the Execute menu.
3 If your MSD is equipped with a vacuum gauge, turn off the gauge.
4 Remove the analyzer window cover.
5 Loosen the calibration vial collar (Figure 13). Do not remove the collar.
6 Pull the calibration vial out. You may feel some resistance due to residual
vacuum.
Figure 13 Removing the EI calibration vial

Calibration vial
Collar