Hendrickson suspension ride height measurement. Hendrickson designs and manufactures air suspension systems and components for heavy duty trucks and trailers. The valve has immediate air response with a 1. 88) inches to the measured distance. . The designed ride reViSion: D This publication describes the procedure for checking and adjusting a Hendrickson trailer suspension ride height. compare this measured ride height with the listing in the appropriate table (see page 4 through page 6). To take full advantage of the benefits, each suspension on the trailer must be oper-ated at its designed ride height. Even small adjustments in ride height (within the specified REVISION: I The tables in this publication list the recommended or “designed” ride heights for all current Hendrickson trailer suspensions. switch installed in the cab controls a dump valve at the rear suspension. INTRODUCTION The height control valve maintains a constant ride height by automatically adding air to or exhausting air from the air suspension system. The HAS suspension ride height is controlled by a single height control valve. 5o dead band and high air flow. For example: on 5-inch axles, add 21⁄2 (2. reViSion: D This publication describes the procedure for checking and adjusting a Hendrickson trailer suspension ride height. NOTE: If ride height is correct, then an over-height trailer is not the problem of the suspension. 81" wide frame rails and Mack AL and AL II air suspension (Hendrickson HA/HAS). The suspension’s designed ride height helps optimize suspension performance and helps maintain load equalization among the axles. Gross over-height should not be corrected by lowering the ride height. This permits the driver to exhaust the rear suspension air for trailer coupling and uncoupling. The vehicle is at the pre-set ride height and no airflow occurs when the control arm is in the horizontal position. How do you check your trailer ride height? Watch this helpful video to find out. 5) inches to the measured distance, and on LDATM Large Diameter Axle, add 27/8 (2. REVISION: H The tables in this publication list the recommended or “designed” ride heights for all current Hendrickson trailer suspensions. Operating an air suspension outside its specified ride height can reduce ride quality, damage cargo and increase suspension wear. #Hendrickson here to help you go the #ExtraMile! Technical PROCEDURE TRAILER SUSPENSION SYSTEMS SUBJECT: Recommended Ride Height Settings LIT NO: L388 DATE: October 2018 REVISION: I The tables in this publication list the recommended For safety and precautionary statements, refer to or “designed” ride heights for all current Hendrickson Hendrickson literature number T12007, available at trailer suspensions. Hendrickson air suspensions only require one height control valve per trailer, regardless of the number of trailer axles. Sep 10, 2010 · Does anyone know the proper ride height for a 2000 Hendrickson air ride that's under a 1990 Superliner (double frame) and is it even that critical? Mack says 4 1/4" for 11. The suspension is designed to enhance suspension performance and maintain load equalization among the axles at the designated ride height. Measuring and Adjusting Trailer Ride Height In this video, Aaron from North Central Utility (formerly Badger Utility) demonstrates how to measure and adjust the ride height on a trailer with a Hendrickson Air Ride Suspension. REVISION: G The tables in this publication list the recommended or 'designed" ride heights for all current Hendrickson trailer suspensions. Using a Hendrickson height gauge, see Figure 3, (part number Loaded 45745-050, Unloaded 45745-106), measure the suspension height on the forward and rear drive axles, as shown is Figures 2 and 3. Add half of the axle diameter to this measurement to determine your suspension’s ride height. Hendrickson generally recommends one height control valve per suspension group; however, there are configurations or suspension models where multiple valves may be required. REVISION: G The tables in this publication list the recommended or “designed” ride heights for all current Hendrickson trailer suspensions. This publication describes the procedure for checking and if necessary adjusting your Hendrickson trailer suspension ride height. NOTE: Ride height is just one of many factors that influence load equalization. The designed ride height helps optimize suspension performance and helps maintain load equalization among the axles. jehi pfwbwh ugoct wvxm meqkg txee gnr myd mxwmkq apaziw