{"id":47,"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-17"},"modified":"2026-04-09T08:18:32","modified_gmt":"2026-04-09T08:18:32","slug":"emergency-treatment-for-concrete-pump-trucks-failures-part-17","status":"publish","type":"post","link":"https:\/\/www.mechabro.com\/zh\/emergency-treatment-for-concrete-pump-trucks-failures-part-17\/","title":{"rendered":"Emergency Treatment For Concrete Pump Trucks Failures Part 17"},"content":{"rendered":"
\n

Concrete pump truck malfunction:<\/h2>\n

The number of directional changes during the operation of the pump truck is relatively low.<\/p>\n

\u73b0\u8c61\u53ca\u539f\u56e0\uff1a<\/h2>\n

When the\u00a0\u00a0\u6cf5\u8f66<\/strong><\/a>\u00a0 is working, the main oil cylinder changes direction less frequently (less than the normal value of 4 times or more), resulting in slow concrete delivery speed.<\/p>\n

1. Improper constant power adjustment of the main oil pump;<\/p>\n

2. A\u00a0\u00a0\u6cf5\u8f66<\/strong><\/a>\u00a0 with two main oil pumps, one of which is not working;<\/p>\n

Emergency elimination methods:<\/h2>\n

1. Turn the regulating rod of the constant power valve of the main oil pump clockwise to increase the constant power of the oil pump;<\/p>\n

\"11\"<\/p>\n

2. Remove the proportional plug of one of the oil pumps and check if the displacement has changed. If there is no change, it indicates that the oil pump is not working (adjust the constant power valve of the oil pump inward and increase the oil pump); The displacement has increased significantly, indicating that the oil pump is functioning properly;<\/p>\n

Service is endless, focusing on high quality\u00a0\u00a0used construction machinery<\/strong><\/a>, and professionally serving global customers, Mecha Brothers looks forward to cooperating with you and make a win-win development with you.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Concrete pump truck malfunction:The number of directional changes during the operation of the pump truck is relatively low.
Phenomenon and reasons:When the\u00a0\u00a0pump truck\u00a0 is working, the main oil cylinder changes direction less f…<\/p>","protected":false},"author":2,"featured_media":10049,"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":[18],"tags":[],"class_list":["post-47","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry-news"],"blocksy_meta":[],"yoast_head":"\nEmergency Treatment For Concrete Pump Trucks Failures Part 17 - 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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