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