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Old 01-09-2014, 06:07 PM   #1
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TrailAir instruction manual

Just took possession of our 2014 Coachmen Brookstone 355RL, and have to say that our first impressions are quite good. Oh, there are the usual small things (well, I guess rewiring the sound system is a little bigger than small), but all in all it's good. The one thing I am surprised at, though, are the "missing" owner's manuals...Dometic being the missingest! Nothing on the A/C units or the power awning. Thanks to this forum I have pretty much been able to fill in those blanks, but I am completely stumped with finding anything on the TrailAir. I talked to Lippert tech support, but I could have gotten further asking my 2-year old grandson. So, has anyone seen owner's instructions on the proper use of the TrailAir?
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Old 01-09-2014, 07:34 PM   #2
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What TrailAir product are you talking about?
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Old 01-09-2014, 08:46 PM   #3
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TrailAir instruction manual

Well, it would be a whole lot easier if I had something to reference. :-))) It's the part that holds the king pin on a fifth wheel trailer...has an air bladder and a shock absorber...says TrailAir and 18K. Seems funny that something that could hold somebody liable if misused would not have written instructions. Thanks for asking! Bruce
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Old 01-09-2014, 09:42 PM   #4
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Quote:
Originally Posted by Barotrauma Bruce View Post
Well, it would be a whole lot easier if I had something to reference. :-))) It's the part that holds the king pin on a fifth wheel trailer...has an air bladder and a shock absorber...says TrailAir and 18K. Seems funny that something that could hold somebody liable if misused would not have written instructions. Thanks for asking! Bruce
Can't imagine there is anything you can do to it that would result in any liability. If you don't have any air in it or too much air it will still work safely. All you need to do is air it up after you are hitched up so you can see the point of the arrow on the front. Keep in mind this is just a baseline. I usually run mine about 1/4 inch under that. The actual air pressure will vary each time you hitch according to your pin weight. You can play with it a bit to get it right. The idea is to keep your trailer level when hitched. Never add air when you are not hitched. You will over inflate and could blow out the bag. They do loose a little air when parked for a few days. A hand pump or 12 volt compressor will work just fine. It real does smooth out the ride.
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Old 01-09-2014, 09:52 PM   #5
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It's a TrailAir pin box:
Ultra-Fab Products, Inc.| - Trailair® Pin Box - Model L05

And here:
Pin Boxes - Towing - Customer Support
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Old 01-10-2014, 10:47 AM   #6
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Bruce, Like Gottoys said, the only thing you need to do is hitch up your unit, then put air in or take air out, using the Schrader (sp?) valve visible on the top. I use a portable air tank. The bottom of the sleeve on the shock should be at the top of the arrow on the shock body. Like Gottoys said, this varies every time I hook up, hence my carrying a portable air tank with me.
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Old 01-10-2014, 12:24 PM   #7
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This is all good information! I really appreciate it! When we hooked up to bring the unit home from Camping World (CW), I checked and the "bag" had about 70psi in it. CW tech said I should just run with it until I loaded the trailer. Empty, hooked up, we were well above the label, not just the arrow tips, and sitting a bit high in the front. The 100 mile trip home was the best towing I had experienced! Heck, every time I looked she was still back there! Got to the kid's house where we could load, and let air out to about 40psi...which, of course was not enough after we hitched back up, so I hooked up my Costco emergency battery/compressor and went to it. I was concerned when it filled to over 80psi and nothing had changed in relation to the arrows on the label (shock collar still way below the arrow tips, but the lower hinged piece...jaw... was not bottomed out on the upper jaw). So, then I began to wonder if instead of lifting the shock, I was really only spreading out the bag and not providing so much lift. Anyway, got to my trailer storage (still pulled like a dream), disconnected, and the air bag had 56psi. Still does, about a week later. Anyway, with all this going on, a) I'm thankful that I can ask about this to you all, and get some help, and 2) It still seems that UF, or whomever, should have some kind of documentation to cover their product use. It makes me laugh that Coachmen includes a description of putting the key in the door lock. I guess it's like the airlines showing us how to use a seat belt. Thanks, again!
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Old 01-10-2014, 01:38 PM   #8
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One thing I forgot to mention. If you have the optional Tri-Glide jaw on your Trail-Aire you will have 9 zerk fittings on it that you grease every 1,000 miles. There will be 3 down each side and another 3 on the crossbars inside of it. You can access those from the backside. The Tri-Glide is designed to slide back and forth and help eliminate chucking.
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Old 01-10-2014, 06:25 PM   #9
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Continuing right along...it is the plain ol' TrailAir L05, I reckon. Lippert manufactured the chassis, and they must own Ultra-Fab, too. Had I been to the Ultra-Fab site in the first place most of my questions would have been answered. Thank you all, very much! Now, do you guys let the air out of the bag after you unhook, then re-inflate after you hook back up? Once you get thru the "learning curve", you must get a feel for it...and quit worrying about it so much, I hope.
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Old 01-10-2014, 07:15 PM   #10
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I leave mine inflated all the time. I do cover the airbag with a towel or rag when I have it parked in storage. I figure if the Sun can make my tires weather checked the exposed airbag could do the same thing.
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