Hendrickson lift axle troubleshooting. With the parking brake off, and the truck in Drive, and my foot on the brake, when I activated the switch in the cab, the button would light up, but no air pressure. Lift Axle System Air Controller Module for Freightliner Vehicles. Jun 6, 2024 · After doing king pins on it, the wheels wont point forward when axles are up. Refer to the current version of Hendrickson Publication No. Discover the essential information needed to keep your Hendrickson lift axle system running smoothly. If the TOUGHLIFT axle and suspension is fitted with a Hendrickson lift axle control valve (LACV), then it will most likely be an Auto/Auto valve. The procedures recommended by Hendrickson and described in this technical publication are methods of performing such maintenance, service and repair. Place the tip of the dial indicator on top of the upper kingpin connection. This publication is intended to acquaint and assist maintenance personnel in the identification and opera-tion of and preventive maintenance for Hendrickson non-steerable auxiliary lift axle suspension systems. The information in this publication contains product images, safety information, product specifications, features and proper installation, service and maintenance instructions for Hendrickson SC steerable auxiliary axle suspension systems. The following guide is intended for the troubleshooting of Hendrickson Dynamic Equalization Control System. Hendrickson reserves the right to make changes and improvements to its products and publications at any time. Proper maintenance, service, and repair is important for the reliable operation of the suspension. An optional Manual/Auto valve is also available, which requires the driver to manually raise the axle after unloading. Refer to the current versions of Hendrickson product-specific technical procedures, including Publication No. If necessary, remove the wheels, hubs and drums. TP–H633 for installation and additional service, repair, and rebuild instructions for such products. OPTIMAAX pdf manual download. H621, for additional installation, service, repair, and rebuild Find the wiring diagram for Hendrickson lift axles and learn how to properly install and troubleshoot the electrical connections. When I took my foot off the brake pedal, the air activated to the. With new technologies come new diagnostic needs and techniques, included are some of the most common troubleshooting tips for installers and operators. Jan 13, 2022 · I went to drop the lift axle on my 2007 Kenworth T800 today. You can also move the wheels back to center with your bodyweight while they're up, its like they just don't want to go back to center by themselves. This system was launched for use on Hendrickson mechanical or air primary suspensions with Hendrickson lift axles. View and Download Hendrickson OPTIMAAX service instructions manual online. Place the magnetic dial indicator base on the axle. Each side has perfectly normal movement when tie rod bar is detached. IF LIFT AXLE IS OPERATED BY AN AUTOMATIC OR SEMI-AUTOMATIC LIFT AXLE CONTROL SYSTEM, SUCH SYSTEM MAY CAUSE LIFT AXLE TO AUTOMATICALLY RAISE OR LOWER UNDER DIFFERENT CONDITIONS. Raise the lift axle off the ground. This means that it will lift and lower automatically, without any need for the driver to intervene. Use only Hendrickson Genuine parts for servicing this suspension system. Explore the Hendrickson lift axle parts diagram, a detailed guide to the components, assembly, and maintenance of Hendrickson lift axles for trucks and trailers. Ensure wheels are positioned straight ahead. The estimated lift axle air system pressure requirements listed in the air pressure load chart(s) are applica-ble to a range of lift axle ride heights and tire sizes intended for Hendrickson steerable lift axle applications. They run straight and fine when they are down. htdljhd cfvd bnemlfq xaauafof asr qaczdm ijvjr teom ufb ditwz