{"id":228,"date":"2026-01-16T14:40:42","date_gmt":"2026-01-16T14:40:42","guid":{"rendered":"https:\/\/makeinsalford.com\/wiki2\/?p=228"},"modified":"2026-01-16T14:40:42","modified_gmt":"2026-01-16T14:40:42","slug":"turning-on-the-air-supply-causes-the-bulk-abrasive-hopper-to-rattle-and-make-a-loud-noise","status":"publish","type":"post","link":"https:\/\/makeinsalford.com\/wiki\/cnc-machining\/waterjet-cutting\/troubleshooting\/228\/turning-on-the-air-supply-causes-the-bulk-abrasive-hopper-to-rattle-and-make-a-loud-noise\/","title":{"rendered":"Turning on the air supply causes the bulk abrasive hopper to rattle and make a loud noise."},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The tank has depressurised overnight when the air compressors are turned off and the person before you didn&#8217;t close the<strong> AIR IN<\/strong> valve on the bulk abrasive hopper.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Close the <strong>AIR IN<\/strong> valve on the bulk abrasive hopper.<\/li>\n\n\n\n<li>Remove the lid.<\/li>\n\n\n\n<li>Clean the mating surfaces of the seal.<\/li>\n\n\n\n<li>Pull up on the seal T-handle and hold it in place.<\/li>\n\n\n\n<li>Turn <strong>ON<\/strong> the compressed air supply (<strong>AIR IN<\/strong>) at the hopper.<\/li>\n\n\n\n<li>Once the seal holds itself in place, replace the lid.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The tank has depressurised overnight when the air compressors are turned off and the person before you didn&#8217;t close the AIR IN valve on the bulk abrasive hopper.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[85,15,84,56,68,54],"class_list":["post-228","post","type-post","status-publish","format-standard","hentry","category-troubleshooting","tag-bulk-abrasive-hopper","tag-cnc","tag-compressed-air","tag-omax","tag-troubleshooting","tag-waterjet"],"_links":{"self":[{"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/posts\/228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/comments?post=228"}],"version-history":[{"count":1,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/posts\/228\/revisions"}],"predecessor-version":[{"id":229,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/posts\/228\/revisions\/229"}],"wp:attachment":[{"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/media?parent=228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/categories?post=228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/makeinsalford.com\/wiki\/wp-json\/wp\/v2\/tags?post=228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}