5-8 Maintenance Procedures
Removal and refitting of the source enclosure
The following procedures apply to both the standard and optional source
enclosures.
You must remove the LockSpray or NanoLockSpray source enclosure from the
instrument before performing certain maintenance procedures or fitting the
optional dual-mode APPI/APCI source.
Removing the source enclosure from the instrument
Required materials
Chemical-resistant, powder-free gloves
To remove the source enclosure
1. Prepare the instrument for work performed on its source (see page 5-7).
2. Remove the probe from the source.
• If you are removing an ESI probe, see page 3-7.
• If you are removing an APCI probe, see page 3-18.
3. Slide open the instrument’s source interface door (see the figure on
page 3-5).
Warning: The source components 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 probe and source can be hot. To avoid burn injuries,
take great care while working with these components.