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Air Bag Inflation Instructions On Trailair Pin Boxes With 18,000 lb Capacity  

Updated 03/15/2017 | Published 03/14/2017



Question:

I did not get manual with my hitch and would like to know the max air pressure that I can put in the air bag when I am adjusting the hitch Thanks

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Expert Reply:

There are a couple different Trailair pin boxes for the 18,000 lb capacity. There is the Flex Air like # LC328492 and the Air Ride like # LC179879. With either model, the air bag should be inflated until the outer cylinder of the shock rises high enough to fully expose the yellow inflation indicator sticker that you can see in its entirety on part # LC177223. There is not a listed max psi.

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Jason S
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