Find TDC corner leaks during a pressure test
Find corner leaks systematically: mark confirmed leaks while pressurized, separate corner/gasket/flange/seam issues, then repair after depressurizing as directed.
Watch out Do not chase random air movement without confirming and marking actual leaks. Check Move joint by joint. Listen/feel and use approved smoke/soap method if allowed. Mark confirmed leaks. Note room/grid/system. Repair after hold/depressurize if required. Steps Move joint by joint. Listen/feel and use approved smoke/soap method if allowed. Mark confirmed leaks. Note room/grid/system. Repair after hold/depressurize if required. Say this to your foreman Do you want me to mark confirmed TDC corner leaks first, then depressurize and repair in order?
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