{"id":2279,"date":"2024-02-19T14:42:27","date_gmt":"2024-02-19T13:42:27","guid":{"rendered":"https:\/\/uam.uhrig-group.com\/faq\/does-my-excavator-need-a-case-drain-line-in-order-to-run-uam-compactors\/"},"modified":"2024-04-02T18:39:28","modified_gmt":"2024-04-02T16:39:28","slug":"does-my-excavator-need-a-case-drain-line-in-order-to-run-uam-compactors","status":"publish","type":"faq","link":"https:\/\/uam.uhrig-group.com\/en\/faq\/does-my-excavator-need-a-case-drain-line-in-order-to-run-uam-compactors\/","title":{"rendered":"Does my excavator need a case drain line in order to run UAM compactors?"},"content":{"rendered":"\n<p>Case drain lines are used to keep case pressures constant within a hydraulic system.<\/p>\n\n<p>In general, a separate case drain line will extend the service life of the shaft seal on the hydraulic motor.<\/p>\n\n<p>If the carrier being used does NOT have a separate case drain line, the accumulating leakage oil can also be routed into the return line.<br\/>In this case, however, it is necessary to ensure that the back pressure does not exceed 5 \u2013 10 bar.<\/p>\n\n<p>We use a special hydraulic manifold in our \u201csmall\u201d HD150, HD250, and HD300 plate compactor attachments.<\/p>\n\n<p>If the leakage oil connection on the valve manifold is plugged, the leakage oil will be automatically conveyed into the return line in this case.<\/p>\n\n<p><\/p>\n","protected":false},"author":6,"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 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