■EPDT-318a■MODEL CT-1CONTROL VALVEPRODUCT MANUAL .Thank you very much for choosing the Yoshitake’s product. To ensure the correct and safe use ofthe product, please read this manual before use. This manual shall be kept with care for futurereferences. The symbols used in this manual have the following meanings.Warning This symbol indicates a potentially hazardous situation that, if notavoided, could result in death or serious injury.Caution This symbol indicates a hazardous situation that, if not avoided, mayresult in minor or moderate injury or may result in only propertydamage.Table of Contents1. Specifications···························································· 12. Nominal size selection ················································ 23. Appearance and dimensions ····································· 3-44. Structure ·································································· 55. Operation ································································· 56. Operating example ·················································· 6-77. Storage ··································································· 88. Installation8.1 Installation for body part ······································· 8-98.2 Wiring and piping ············································· 10-128.3 Test run ····························································· 138.4 Positioner readjustment ···································· 13-169. Warning and caution for use ······································· 1610. Maintenance and inspection10.1 Troubleshooting ················································· 1710.2 Warning and caution for maintenance ····················· 1810.3 Dairy inspection ················································· 1810.4 Regular inspection ············································· 1810.5 Replacing gaskets, packings and positioners············ 18Warranty Information