Replacing Parts
95
5
Figure 5-16 ESI Probe Tip with Capillary Protruding 0.5 mm
19. Replace the probe end cover and secure it with the two slotted screws. Tighten the
set screw to clamp the LC union in place.
20. Before reinstalling the probe, attach it to the nebulizer gas connection and turn on
the nitrogen by selecting the API gas icon on the Tune page.
21. Make sure no nitrogen escapes from the probe tip. If you find a leak, replace the
probe tip assembly and O-ring.
5.3.3 Replacing the ESI Probe Tip
Replace the probe tip if you encounter any of these problems:
•
Gas leaks from the O-ring.
•
A blockage in the internal metal sheathing through which the stainless steel capillary
passes.
•
The threads are damaged.
Required Materials and Spare Part
•
6-mm hex wrench
•
Loupe
•
ESI probe tip, spare part (part number 750000337, reference number M955016BC1)
STOP
Attention:
Check carefully for leaks! Leakage can destroy a probe.
TP01749
0.5-mm Protrusion
Summary of Contents for Micromass ZQ 2000
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