{"id":3562,"date":"2023-10-18T20:16:20","date_gmt":"2023-10-18T20:16:20","guid":{"rendered":"https:\/\/schoolbushelp.gregmuri.com\/?page_id=3562"},"modified":"2025-12-07T12:32:36","modified_gmt":"2025-12-07T12:32:36","slug":"pre-trip-air-warning-devices-test","status":"publish","type":"page","link":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/pre-trip-air-warning-devices-test\/","title":{"rendered":"Pre Trip &#8211; Air Warning Devices Test"},"content":{"rendered":"\n<div class=\"wp-block-group has-background-background-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--20);padding-right:0;padding-bottom:var(--wp--preset--spacing--20);padding-left:0\">\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--1\"><a class=\"wp-block-button__link has-foreground-color has-luminous-vivid-amber-background-color has-text-color has-background has-tiny-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/schoolbushelp.gregmuri.com\/index.php\/pre-trip-air-leakage-rate-test\/\" style=\"border-radius:27px;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">&lt;&lt; Prev<\/a><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-765c4724 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button is-style-outline is-style-outline--2\"><a class=\"wp-block-button__link has-foreground-color has-luminous-vivid-amber-background-color has-text-color has-background has-tiny-font-size has-custom-font-size wp-element-button\" href=\"https:\/\/schoolbushelp.gregmuri.com\/index.php\/pre-trip-emergency-brake-test\/\" style=\"border-radius:25px;padding-top:0;padding-right:var(--wp--preset--spacing--20);padding-bottom:0;padding-left:var(--wp--preset--spacing--20)\">Next &gt;&gt;<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\">\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:75%\">\n<ul class=\"wp-block-list\">\n<li>Leave engine off<\/li>\n\n\n\n<li>Slowly press and release service brake<\/li>\n\n\n\n<li>Continue until warning devices activate<\/li>\n\n\n\n<li>Warnings should activate before pressure drops to 55 psi<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\" style=\"padding-top:var(--wp--preset--spacing--40);padding-bottom:var(--wp--preset--spacing--40)\">\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2025\/10\/Air-Warning-Devices-Test.mp3\"><\/audio><\/figure>\n\n\n\n<p><strong><em>&#8220;Next I will test the low pressure warning devices. This is done by pressing and releasing the Service Brake, fanning off air pressure. The warning devices, in this case an alarm and red light on the gauges, must activate before the pressure drops to <mark style=\"background-color:#fdfd09\" class=\"has-inline-color\">55 psi.<\/mark>&#8220;<\/em><\/strong><\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:25%\">\n<figure class=\"wp-block-image aligncenter size-large has-custom-border is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"768\" height=\"1024\" src=\"https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-768x1024.jpg\" alt=\"\" class=\"wp-image-4036\" style=\"border-radius:15px\" srcset=\"https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-768x1024.jpg 768w, https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-225x300.jpg 225w, https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-1152x1536.jpg 1152w, https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-1536x2048.jpg 1536w, https:\/\/schoolbushelp.gregmuri.com\/wp-content\/uploads\/2023\/10\/IMG_3865-scaled.jpg 1920w\" sizes=\"auto, (max-width: 768px) 100vw, 768px\" \/><\/figure>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Next I will test the low pressure warning devices. This is done by pressing and releasing the Service Brake, fanning [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":150,"comment_status":"closed","ping_status":"closed","template":"page-no-title","meta":{"_eb_attr":"","footnotes":""},"categories":[6],"tags":[41],"folder":[29],"class_list":["post-3562","page","type-page","status-publish","hentry","category-pretrip","tag-enginestart"],"_links":{"self":[{"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/pages\/3562","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/comments?post=3562"}],"version-history":[{"count":6,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/pages\/3562\/revisions"}],"predecessor-version":[{"id":5476,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/pages\/3562\/revisions\/5476"}],"wp:attachment":[{"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/media?parent=3562"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/categories?post=3562"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/tags?post=3562"},{"taxonomy":"folder","embeddable":true,"href":"https:\/\/schoolbushelp.gregmuri.com\/index.php\/wp-json\/wp\/v2\/folder?post=3562"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}