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Date of Origin – 02/24/11
Updated – 02/03/20
AIR RIDE SUSPENSION SCHEMATIC
Trouble shooting hints for air piping systems:
• Check all push-in and T-ttings. Are they locked into place?
• Check all threaded connections to the spring brakes
• Check push-in ttings at the dump valve and/or lift box (if applicable)
• Check push-in tting at ride height box (bottom of the box)
• Threaded connections at the gladhands on the nose of the trailer
• Check push-in ttings at top of air bags
• Check for adequate supply of air from tractor
Is volume and pressure great enough to open Pressure Protection Valve
• Check free travel and response of Ride Height Valve
• Check lters at the gladhand and Pressure Protection Valve
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