General Maintenance 4
Troubleshooting and Maintenance Manual 75
7 Remove the metal shield covering the vial.
8 Loosen the collar holding the vial.
9 Remove the vial.
10 Syringe or pipette IRM into the vial. With the vial vertical, the liquid
should be just below the end of the internal tube, approximately 70 µL. of
sample.
11 Insert the vial into the collar.
12 Push the vial into the collar as far as possible.
13 Withdraw the vial 1 mm. This prevents damage when you tighten the
collar.
14 Turn the collar clockwise to tighten it.
The collar should be snug but not overly tight. Do not use a tool to tighten
the collar. It does not require that much force.
15 Replace the metal shield.
16 Open the needle valve to the foreline vacuum system located to the right of
the IRM vial manifold, to evacuate air from the system.
17 From MassHunter Method Editor, open the Reference Mass Compound valve
for 3 minutes.
18 Close the needle valve.
19 Position the GC next to the MS. See“To Position the GC Next to the MS” on
page 82.
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