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Steering Bay Air Line Cleanup
While changing out the pressure protection valve and getting rid of some push in fittings I decided to change out the Marathon aux air distribution and add cut-offs. One thing that motivated me to do this was the automatic water filter was junk (replaced with manual drain) and Marathon only had the house air feed on the filter. Air going to the Prevost aux, horn and compressor regulator was bypassing the filter, so the only way to keep water out of those air sources was to be diligent in draining the Marathon aux air tank. Now everything goes through the filter.
For those with Marathons that haven’t done it, get rid of your green aux air tank, it’s likely flaking apart inside with rust that can contaminate your aux system. Rather than drop the bumper each time I need to drain the aux, which is almost daily, I installed a lanyard drain that I can pull from the steering bay.
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1 Reply
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Nice work Tom!
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