Maintenance | 4-3
Frequency Task
Other Extended Maintenance:
Probe Heater
The Heater Assembly temperature zone circuitry does not require
regular maintenance. However, if problems arise with the Heater
(Probe-related alarms are active), determine the origin of the problem
and immediately replace the faulty part(s). These parts can include the
Over-Temperature Switch, Heater Cartridge, and RTD.
Refer to the “Maintenance and Troubleshooting” chapter (see section
“Host Controller Board Error Conditions and Corrective Action”) in the
analyzer manual for information on specic alarms. See “Replacing
Parts in the Probe Heater Assembly” in this chapter.
IMPORTANT
Be sure to have on-site the proper replacement parts prior to
disassembling the Heater Assembly. Refer to the “Service and
Parts” chapter for the part numbers.
Other Flamepath Gap
During each Probe Heater Assembly maintenance, use a feeler gauge
to check the amepath gap between the Heater Body and the Heater
Cover (see Figure 4-4 for location). The gap must not exceed 0.04 mm;
if the gap exceeds this value, contact AMETEK for advice. See
“Examining and Caring For the Flamepaths” in this chapter for more
information.
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