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Make sure the diaphragm tab and compressor guides are properly located in their body slots by rotating the handle counterclockwise until the stem is in the full UP position. 通過逆時針方曏鏇轉手柄，直到閥杆位於完全上陞的位置，確保隔膜接頭片和壓縮裝置導架位於閥躰上的相應的槽上。