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TCD with blockFigure 4-6:
Replacing a TCD
Use the following procedure to remove a TCD assembly from the GC for repair or
replacement:
WARNING!
Disconnect all electrical power to the unit and ensure the area is free of explosive gases. Failure
to follow this warning may result in injury or death to personnel or cause damage to the
equipment.
1. Disconnect all power to the unit.
2. If you have not already done so, remove the explosion-proof dome and the thermal
cover.
3. Unscrew and remove the TCDs from the TCD block and the gas connectors. Be
careful not to damage the teflon washer that is placed between the TCD and the
TCD block.
Operation and maintenance
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