Replacing The Trs Converter Heating Tube - Teledyne T102 Operation Manual

TROUBLESHOOTING and REPAIR

11.5.5. Replacing the TRS Converter Heating Tube

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The ceramic bobbins at each end of the heater assembly are fragile.
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10. Reattach the front bobbin onto the converter tube.
11. Reattach the gas lines and retighten the pneumatic fittings.
12. Reassemble the converter cover and reattach the M501-TRS top cover.
The M501-TRS will not operate properly with the top cover removed.
The air cooling required to stabilize the temperature of the converter tube is
dependent on air flow patterns that only exist with the top cover in place.
Without the top cover in place, the thermal cutout may overheat, and shut the
13. Restart the M501-TRS.
14. Check the converter efficiency. See Section 11.4.2 of this addendum.
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Teledyne API - T102/501 TRS, Addendum to T101 Operation Manual
THE CONVERTER TUBE AND HEATER ARE VERY HOT
DO NOT TOUCH WHILE THE M501-TRS IS OPERATING NOR
UNTIL IT HAS COOLED TO ROOM TEMPERATURE AFTER
POWERING OFF THE M501-TRS.
Turn off and remove all power to the M501-TRS
Allow it to cool to room temperature before continuing with this
replacement procedure. This may take 30 minutes or more.
Remove the instrument's top cover (see Section 3.2 of this addendum)
Remove the four nuts holding the converter cover in place.
Carefully lift the converter cover away.
Loosen front and rear pneumatic fittings at each end of the tube and
remove the gas lines from the converter tube.
Remove the front ceramic bobbin from the converter tube. The
thermocouple assembly will come with it.
Be Careful!
Slide a new tube into the heater coil assembly.
Make sure that the thermocouple is slid through its notch on the center
hole of the front converter bobbin and properly seated in the
corresponding indentation in the body of the quartz heater tube.
heating element off.
CAUTION
NOTE:
NOTE
07267B DCN6485