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Digital Provenance
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Publisher
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Transcription
TO CLOSE MAIN REGULATOR Close Valve #2. Notes - Close Valve #2 sjowly so that main regulator will not close too fast and shock line. TO OPEN MAIN REGULATOR WIDE Close Valves #1 and #2 and open Valve #3* Notet - Allow cover of valve to drain slowly so that there will be no downstream shock. TO PUT MAIN REGULATOR ON AUTOMATIC OPERATION Close Valve #3 and open Valves #1 and #2.
