Waters Quattro Premier XE, Operator'S Manual, Page: 62 / 86

4-14 Maintenance Procedures
7. Insert the mounting shaft into the lamp mounting flange.
8. Remove the mounting shaft insertion tool from the mounting shaft.
9. Fit the lamp bulb sealing O-ring to the mounting shaft.
10. Fit the PEEK insulator to the mounting shaft.
11. Use the 2.5-mm Allen wrench to fit and tighten the two insulator
retaining screws.
12. Insert the new bulb into the lamp drive assembly.
13. Refit the cover cap to the lamp drive assembly.
14. Fit the repeller electrode to the PEEK insulator.
15. Fit and tighten the repeller electrode retaining screw.
16. Fully retract the lamp’s mounting shaft in the APPI lamp drive
assembly.
17. Fit the APPI lamp drive assembly onto the right side of the source
enclosure.
18. Fit and tighten the three securing thumbscrews.
See also:
Figure “APPI lamp drive assembly and side plate” on
page 2-3 .
19. Close the source enclosure door and fasten the door securing clips.
20. 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.
Caution:
To prevent damage to the mounting shaft O-rings, the
mounting shaft insertion tool must be fitted to the mounting
shaft before fitting the shaft to the lamp mounting flange.
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.