5-12 Maintenance Procedures
Installing and removing the corona pin
For APCI, ESCi, and dual-mode APPI/APCI operation, a corona pin must be
fitted to the source.
Installing the corona pin in the source
Required materials
Chemical-resistant, powder-free gloves
To install the corona pin in the source
1. Prepare the instrument for work performed on its source (see page 5-7).
2. Pull the source enclosure release (located at the bottom, right-hand side)
outwards, and swing open the enclosure.
3. Remove the blanking plug from the corona pin mounting contact.
Tip: Store the blanking plug in a safe location.
Warning: The LC system connections, ESI probe, and source can
be contaminated with biohazardous and/or toxic materials. Always
wear chemical-resistant, powder-free gloves while performing this
procedure.
Warning: To avoid electric shock, prepare the instrument for work
performed on its source before commencing this procedure.
Warning: The source can be hot. To avoid burn injuries, take great
care while working with the source enclosure open.
Warning: The ESI probe tip is sharp. To avoid puncture wounds,
take great care while working with the source enclosure open if an
ESI probe is fitted.
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