{"id":82,"date":"2026-04-08T10:28:26","date_gmt":"2026-04-08T10:28:26","guid":{"rendered":"https:\/\/www.mechabro.com\/blog\/Emergency-treatment-for-concrete-pump-trucks-failures-Part-15"},"modified":"2026-04-08T10:28:26","modified_gmt":"2026-04-08T10:28:26","slug":"emergency-treatment-for-concrete-pump-trucks-failures-part-15","status":"publish","type":"post","link":"https:\/\/www.mechabro.com\/en\/emergency-treatment-for-concrete-pump-trucks-failures-part-15\/","title":{"rendered":"Emergency Treatment For Concrete Pump Trucks Failures Part 15"},"content":{"rendered":"<div class=\"text-box\">\n<h2 id=\"t1\">Concrete pump truck malfunction:<\/h2>\n<p>Constant pressure\u00a0\u00a0<a _href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-250118p658-2021-sany-56m-concrete-pump-truck\" href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-250118p658-2021-sany-56m-concrete-pump-truck\" target=\"_blank\"><strong>pump truck<\/strong><\/a>, low reversing pressure.<\/p>\n<h2 id=\"t2\">Phenomenon and reasons:<\/h2>\n<p>When the\u00a0\u00a0<a _href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-250121p659-2020-zoomlion-67m-concrete-pump-truck\" href=\"https:\/\/www.mechabro.com\/Truck-mounted-concrete-pump\/no-250121p659-2020-zoomlion-67m-concrete-pump-truck\" target=\"_blank\"><strong>pump truck<\/strong><\/a>\u00a0 is working, the reversing pressure is low, causing the S pipe to swing weakly and difficult to pump.<\/p>\n<p>1. Improper pressure regulation of constant pressure pump;<\/p>\n<p>2. The overflow valve of the constant pressure pump is damaged;<\/p>\n<p>3. The constant pressure pump is damaged.<\/p>\n<h2 id=\"t3\">Emergency elimination methods:<\/h2>\n<p>1. Tighten the constant pressure adjustment screw of the constant pressure pump inward to increase the pressure;<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" _src=\"https:\/\/www.mechabro.com\/wp-content\/uploads\/2026\/04\/1738805904_5201.jpg\" alt=\"1\" src=\"https:\/\/www.mechabro.com\/wp-content\/uploads\/2026\/04\/1738805904_5201.jpg\"\/><\/p>\n<p>2. Remove the overflow valve of the constant pressure pump, fix it with short screws, and directly install the solenoid valve onto the main valve block. (Short screws can be disassembled and assembled on other solenoid valves on the construction site)<\/p>\n<p>3. Adjust the constant pressure adjusting screw of the constant pressure pump inward to the maximum, so that the pressure can swing the cylinder normally. After pumping the concrete, replace the constant pressure pump immediately.<\/p>\n<p>Service is endless, focusing on high quality used construction machinery, and professionally serving global customers, Mecha Brothers looks forward to cooperating with you and make a win-win development with you.<\/p>\n<p style=\"text-align: center;\"><img decoding=\"async\" _src=\"https:\/\/www.mechabro.com\/wp-content\/uploads\/2026\/04\/1738805869_5777.jpg\" alt=\"2\" src=\"https:\/\/www.mechabro.com\/wp-content\/uploads\/2026\/04\/1738805869_5777.jpg\"\/><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Concrete pump truck malfunction:Constant pressure\u00a0\u00a0pump truck, low reversing pressure.<br \/>Phenomenon and reasons:When the\u00a0\u00a0pump truck\u00a0 is working, the reversing pressure is low, causing the S pipe to swing weakly and diffi&#8230;<\/p>\n","protected":false},"author":2,"featured_media":10084,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rs_blank_template":"","rs_page_bg_color":"","slide_template_v7":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[17],"tags":[],"class_list":["post-82","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-news"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Emergency Treatment For Concrete Pump Trucks Failures Part 15 - Hunan Mecha Brothers Technology Co., Ltd.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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