Emerson Rosemount OCX8800A Manual page 291

Oxygen and combustibles transmitter
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Manual
00809-0500-4880
2. To soften the pipe thread sealant, use a propane torch to heat the tube
3. While heating the tube fitting, use a wrench to apply removal torque until
4. Use MEK or methylene chloride solvent to clean thread sealant residue from
10.5.2 
Install tube fittings
Procedure
1. Verify that the replacement tube fitting is identical to the item removed.
2. Apply pipe thread sealant (Loctite #567) to the mating threads of the tube
3. Install and tighten the tube fitting in the mating port of sensor or electronic
Rosemount OCX8800A
fitting to 450 °F (232 °C) minimum.
the pipe thread sealant softens. Remove and discard the used fitting.
the internal pipe threads in the housing.
Refer to applicable material safety data sheet (MSDS) for solvent handling
precautions.
Special fittings are etched with code markings.
fitting.
Do not apply sealant to the first turn of the external pipe threads.
housing.
Maintenance and service
December 2022
291

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