Agilent 6500 Series Q-TOF LC/MS Maintenance Guide 47
Maintenance 2
To replace the MS selection valve rotor seal
8 Use tweezers to remove the filter element from the upper part of the
assembly. The filter element is a stainless steel frit surrounded by a PTFE
ring.
9 In
sert the new filter element.
10 Reassemble the filter assembly.
11 Reinsert the assembly into the bracket and reinstall the top retaining screw.
12 Reinstall the covers and spray chamber.
To replace the MS selection valve rotor seal
When required Approximately annually or when no calibrant flow exists during tuning, or
when the back pressure is high on the LC pump during acquisition.
Tools required Hex key wrench
Parts required Rotor seal (p/n 0100-1855)
1 Stop the flow of LC solvent to the instrument.
2 Remove the front cover.
3 Remove the top cover.
4 Remove the left side cover.
5 Remove the tubing connections from the six-port MS selection valve.
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