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Maintaining
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5.3.5 Replacing the APCI Probe Heater
Replace the APCI probe heater if it fails to heat.
Required Material and Spare Part
•
0.89-mm hex wrench or slotted screwdriver, depending on the type of screw that
secures the probe tip
•
APCI probe heater, spare part (part number 700000337)
Procedure
1.
Loosen the two set screws at the base of the probe tip assembly, and slide the probe
jacket off the assembly.
2.
Separate the heater from the probe body, pulling it parallel to the axis of the probe.
3.
Install the new heater onto the probe end-cover.
4.
Replace the probe tip assembly, securing it with the two set screws.