5
Routine and Preventive Maintenance
Maintaining the ESI Probe
Thermo Scientific
Surveyor MSQ Plus Hardware Manual
61
Figure 40.
View of partially disassembled ESI probe with capillary removed
Replacing the Ceramic Sleeve of the ESI Probe
If you break the ceramic sleeve of the ESI probe, replace it. See
on
part numbers of the ESI probe components.
Y
To replace the ceramic sleeve of the ESI probe
1. Remove the ESI probe from the MS detector as described in
.
2. Disassemble the ESI probe and remove the capillary as described in
3. Use the 2.5 mm Allen key to unscrew the two M3 × 8 cap head stainless steel screws from
the ESI probe mount. See
.
4. Pull the ESI probe mount out of the ESI ceramic sleeve and ceramic mount assembly.
5. Remove the ESI ceramic sleeve from the ESI ceramic mount by pulling the sleeve forward
through the top of the mount.
As
shows, the ESI ceramic sleeve is slightly flared at one end. This flare holds
the ESI ceramic sleeve in place when you insert it into the ESI ceramic mount.
M3 × 10, cap head
stainless steel screws
Probe
clamp
Locking
plate
Capillary
retaining nut
PEEK tube
insert
Graphite
ferrule
ESI probe
mount
ESI ceramic
mount
ESI probe
ceramic sleeve
ESI probe
tip