Luxury Coach Lifestyles - View Single Post - Air system schematic
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Old 09-19-2010, 02:06 PM   #20
HoosierDaddy
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Location: Indiana
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Just based on my experience with my set-up (6 pak for each axle) the only reason for a 6 pak on the tag is to allow it to take more or less load than the main axle to allow shorter turning radius or as an aid in low traction conditions (less weight on the tag) or for "fooling" axle scales (more weight on the tag).
Regarding the one 6 pak for the rear setups, my guess is that the raise and lower valves are plumbed to both axles equally. The tag would be plumbed in with the main on the travel valve as well except there would be an air pressure regulator in the air supply line to the tag.
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1993 Newell 45'#316, 1976 Trans Am 455, 1967 GTO, 1953 Chevrolet 3105 (panel truck),1952 Chevrolet 3600,1969 Airstream Overlander. Always fixing something!
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