74 Troubleshooting and Maintenance Manual
4 General Maintenance
To Refill the IRM Vial
This procedure is for refilling the IRM vial without venting the MS. It includes
sliding the GC away from the MS while keeping the column attached to the
transfer line.
Materials needed
• IRM calibrant for GC/TOF 1 × 0.5 mL (5190-0531)
Procedure
1 Stop any tuning or data acquisition.
2 Turn off the MS electronics.
3 Cool down the GC/MS transfer line, the GC oven, and the GC inlet to 30 C.
4 Uncoil enough slack from the capillary column inside the GC oven to allow
the GC to separate from the MS.
5 Move the GC away from the MS. See “To Separate the GC from the MS” .
6 The IRM vial is located on the side of the instrument near the transfer line.
Figure 8 IRM vials
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