{"id":14856,"date":"2026-05-03T16:05:43","date_gmt":"2026-05-03T08:05:43","guid":{"rendered":"http:\/\/eauav.com\/?post_type=tutorial_lesson&#038;p=14856"},"modified":"2026-05-03T16:05:45","modified_gmt":"2026-05-03T08:05:45","slug":"ep04-pump-connection-air-purging","status":"publish","type":"tutorial_lesson","link":"https:\/\/eauav.com\/th\/tutorial_lesson\/ep04-pump-connection-air-purging\/","title":{"rendered":"EP04: Pump Connection &amp; Air Purging"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"EP04 Water System Setup: Pump Connection &amp; Air Purging\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/wi8GnHuDW_A?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Fill the inlet hose completely with water.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Make sure the filter\/check valve end is fully submerged at the bottom of the clean-water barrel or chemical tank.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Never let it suck air.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect the other end to the pump inlet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To switch between water and chemicals\u2014and to prevent air intake\u2014we upgraded to a three-way valve.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">One branch goes to the clean-water barrel, the other to the detergent tank.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The ground crew switches the valve to select the liquid source.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Connect the <strong>220V ground pump<\/strong> to power. Connect the high-pressure tether hose to the pump outlet. Plug the quick connector into the drone\u2019s rear inlet. Pull lightly to confirm it\u2019s locked.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Start the pump. Let water flow through the 100 m hose and spray continuously for <strong>30 seconds<\/strong>. When bubbles are gone and flow is stable, stop the pump.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The pump supports remote start\/stop.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The pilot can control it directly on the controller\u2014no need to rely on ground crew.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Recommendation: before takeoff, tap \u201cPump ON\u201d to confirm water output, then \u201cPump OFF,\u201d then take off.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fill the inlet hose  [&hellip;]<\/p>\n","protected":false},"featured_media":0,"menu_order":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"product_cat":[246],"drone_model":[477],"class_list":["post-14856","tutorial_lesson","type-tutorial_lesson","status-publish","hentry","product_cat-cleaning-drones","drone_model-c80"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>EP04: Pump Connection &amp; 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