Chapter 5: Maintenance And Diagnostics - TA Instruments TGA 2950 Operator's Manual

CHAPTER 5: Maintenance and
Diagnostics
TA I TGA 2950
NSTRUMENTS
Overview ..................................................... 5-3
Routine Maintenance .................................. 5-4
Inspection ............................................. 5-4
Cleaning the Instrument ....................... 5-4
Cleaning the Furnace Housing ............. 5-5
TGA Standard Furnace Only ......... 5-5
Heat Exchanger .................................... 5-6
Maintaining Heat
Exchanger Coolant ........................ 5-6
Draining and Refilling
the Water Reservoir ....................... 5-6
Replacing the Thermocouple ...................... 5-9
Removing and
Reinstalling the Furnace ........................... 5-11
Furnace Removal ............................... 5-11
Furnace Replacement ......................... 5-14
Diagnosing Power Problems ..................... 5-16
Fuses ................................................... 5-16
Power Failures .................................... 5-18
5-1