Waters Xevo G2 QTof Operator's, Overview And Maintenance Manual page 88

Corona pin mounting contact:
4. Fit the corona pin to the corona pin mounting contact, ensuring that the
corona pin is securely mounted and that its tip aligns with the sample
cone orifice.
Corona pin:
5-12 Maintenance Procedures
The corona pin tip is sharp. To avoid puncture wounds,
Warning:
handle it with care.
TP03130
TP03130
Sample cone orifice
Corona pin mounting
contact blanking plug
Corona pin