Fifth Airborne Questions

While on the road, I never mess with the air pressure (80 psi for my rig). When I return home, I deflate to 15 psi. Why? because it makes me feel all warm and fuzzy. On my 5th Airborne there is a white inflation line that marks the proper pressure after hitching up. As long as that white line is where it is supposed to be I don't bother checking because as someone else said above, the volume is very small and you will probably let too much air out just checking it. Then you will have to drag the pump out and start all over.

When I had my 5th wheel, I kept the psi at 70. My air bag did not hold the pressure very well, thus checked pressure before every hook up and added if neccessary.

filthy beast wrote:
I do the same, check before hitching in the morning. Mine did say somewhere that you are not supposed to change or increase pressure while hitched. It has made a big difference in the ride.

Note sure where you got the information from that you can not change pressure while hitched.


I check mine after hitching as trying to check air pressure almost always allows too much air to escape and due to the very small air volume and high pressure it requires adding air after the check.

I have not had a problem with air loss and the check after hitching most of the time indicates I am good to go.

This is a quote from the instructions for a fifth Airborne.

ADJUSTING THE AIR SPRING
1. Perform the hitching procedure following the proper hitching procedure according to the manual for your fifth wheel
Hitch.
2. Add air to the air spring at the valve shown in figure 31. Continue adding air until the skid plate is level (on level ground) see
figure 31. (Use the Inspection Notch on lower jaw of the pin box and line up with bottom side of body.)

I do the same, check before hitching in the morning. Mine did say somewhere that you are not supposed to change or increase pressure while hitched. It has made a big difference in the ride.

I had that on my last fiver . . It works well , air it up and take it for a run to see the ride and adjust accordingly . . Mine was set at 75psi with a pin weight of 2800# . . I carried a small compressor with me as every trip it would loose air.. The hitch I have now does not do that ( Flex-Air )