Catalyst (DOC) - Replace
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| NOTICE |
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Ensure that all components are free of contaminants before installing. Contaminants may cause premature wear and reduced component service life. |
- Remove Catalyst (DOC) cover nuts, bolts, and washer.
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| Illustration 1 | g03426162 |
- Remove hatch cover (1) from the reactor unit.
- Remove gasket assembly from the sealing surface of the hatch cover.
- Carefully remove DOC catalyst assembly (2) by removing the V band clamps. If necessary, repeat for other DOC catalysts.
- Carefully install DOC catalyst into the cabinet with new gaskets. Verify correct position.
- Apply final torque to V band clamps. Refer to Specifications, SENR3130, "Torque Specifications" for the proper torque.
- Replace all inner backing strip gaskets on the DOC catalyst cover.
- Install DOC cover assembly.
- Replace all bolts.
- Apply final torque to all bolts in a circular pattern. Refer to Specifications, SENR3130, "Torque Specifications" for the proper torque.
- Verify that all bolts are at the proper torque value.
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