Waters Quattro Premier XE, Operator'S Manual, Page: 25 / 86

Installing the Combined APPI/APCI Source 2-7
12. Fit the APPI lamp drive assembly onto the right side of the source
enclosure.
13. Tighten the three securing thumbscrews.
See also:
Figure “APPI lamp drive assembly and side plate” on
page 2-3 .
14. Close the source enclosure door and fasten the door securing clips.
15. Connect the APPI drive cable (part number 4170075CC1), between the
APPI lamp drive assembly APPI electrical connection and the APPI
connector on the instrument front panel.
See also:
The Waters Quattro Premier XE Mass Spectrometer Operator’s
Guide .
16. Connect the HT cable (part number M955286BC1), between the APPI
lamp drive assembly’s HV electrical connection and the HV connector on
the instrument front panel.
17. Install the APCI probe to the source and ensure that it is working
correctly.
See also:
The Waters Quattro Premier XE Mass Spectrometer Operator’s
Guide .
18. Close the instrument’s front access door.
19. Perform a pressure test on the source.
Caution:
The securing thumbscrews must each be sequentially
tightened a small amount until they are all fully tight; this
ensures that the APPI lamp drive assembly is uniformly seated
on the source enclosure.
Warning:
To confirm the integrity of the source exhaust
system, you must perform a pressure test on the source, as
described in the Waters Source Pressure Test Unit
Operator’s Guide .