5-72 Maintenance Procedures
Replacing the APCI probe heater
Replace the APCI probe heater if it fails to heat.
Required materials:
• Chemical-resistant, powder-free gloves
• Replacement probe heater
To replace the APCI probe heater
1. Remove the probe from the source (see “Removing the IonSABRE APCI
probe” on page 4-7).
2. Gripping the probe heater as shown, carefully pull it off the probe
assembly.
Warning: The probe and source components can be contaminated
with biohazardous and/or toxic materials. Always wear
chemical-resistant, powder-free gloves while performing this
procedure.
Caution: To avoid damaging the probe heater’s electrical
connections, do not twist the heater when removing it from the
probe assembly.