Emerson TESCOM - Page 22

22
TESCOM™ Safety, Installation, Operations & Service Manual
Content
December 2020
Installation Manual
TR000238ENUS-01_12-20
NOTE: Upper portion of the valve may also include stem, seals and o-rings. Review
correct drawing to ensure that all parts have been disassembled.
CAUTION
Care must be used to not damage sealing components.
Reassembly
The valve is reassembled in the reverse order of disassembly, observing the following
precautions. Please reference Bill of Materials and Assembly Drawings for the correct
locationofthereplacementpartsandcorrecttorquespecications.
1. Inspect all parts and replace those worn or damaged with TESCOM replacement
parts.
2. All parts should be cleaned to the cleanliness level required for safe operation with
themediaandsystemthevalvewillbeusedin.Allpartsintheowstreammustbe
free of particles which could prevent proper seating on the valve stem.
3. Applyathinuniformcoatingofuorocarbongreasetothefollowingparts:The
bonnet threads and all o-rings.
NOTE: Do NOT apply any type of grease to the inlet or outlet connections.
4. Placethevalvebodyintoaviseadre-torquethebonnetofspecications.See
Assembly Drawing.
WARNING
After valve has been reassembled, it must be connected to a pressure source with a media
compatible with the use the valve and pressurized to check for internal and external
leakage and operation characteristics.
3.6.5