3. While heating the tube, use a pipe wrench to apply removal torque to the
part being removed. Apply torque until the pipe thread sealant softens.
Remove and discard the used sample tube (C), exhaust tube (B), or in-situ
filter (D).
4. Use MEK or methylene chloride solvent to clean thread sealant residue from
the internal pipe threads in the housing.
Refer to the applicable material safety data sheet (MSDS) for solvent
handling precautions.
Diassemble O
2
cell and heater strut assembly
CAUTION
Equipment damage
Removing the O
2
cell may damage the cell and platinum pad.
Do not remove the O
2
cell unless you are certain it needs to be replaced.
Manual Maintenance and service
00809-0500-4880 December 2022
Rosemount OCX8800A 261
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