TA I
NSTRUMENTS
TGA 2050 5–1
CHAPTER 5: Maintenance and
Diagnostics
Overview.....................................................5-3
Routine Maintenance ..................................5-4
Inspection .............................................5-4
Cleaning the Instrument Keypad ..........5-4
Cleaning the Quartz
Furnace Tube........................................5-4
Heat Exchanger ....................................5-7
Maintaining Heat
Exchanger Coolant ........................5-7
Draining and Refilling the
Water Reservoir .............................5-7
Replacing the Thermocouple ....................5-10
Diagnosing Power Problems.....................5-12
Fuses...................................................5-12
Power Failures....................................5-13
TGA 2050 Test Functions ........................5-14
The Confidence Test ..........................5-14
Replacement Parts ....................................5-16
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