Frozen trailer air lines

NDBADLANDS · Jan 27, 2013

25(2)+2 said: ↑

The older rubbing alcohol was, showing my grey again, isopropyl alcohol, and wouldn't do the damage to rubber parts that methanol or ethanol would do.

The company mechanics used to charge the tanks with some anti-freeze, but there are warnings about the stuff damaging parts of the braking system on some newer trailers.

It's better to drain the water from the tanks unless that won't work.

The shop made caps for the glad hands on trailers so they wouldn't get water in them while washing them(poultry trailers).

What usually happens is the spring brakes come on when the lines freeze and the supply tank loses too much pressure, I've been under a few to get them to a shop when that happens, but not lately, a good air dryer on the tractor prevents many problems.

Lots of things happen with poor maintenance. I could write a book, and I've only been at this for 9 years.
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A good air dryer and frequent drain of the tanks correct?

25(2)+2 · Jan 27, 2013

NDBADLANDS said: ↑

A good air dryer and frequent drain of the tanks correct?
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Yes,it works if you pull your own or the same trailer all of the time, or if you run out of where there is a good shop.

rank · Jan 28, 2013

NewNashGuy said: ↑

Even disconnected emergency line and the trailer kept rolling. I also wonder if it could be another problem, as the last time I had a frozen air line the pins were stuck but the brakes worked fine.
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How old was this trailer and how young was the mechanic that came to fix it? I agree with 25+2 and Ralph. Sounds like this trailer didn't have spring brakes. We have one of those things and if you hit the pin before you charge the trailer with air you chase it all over the yard.

wiseguy · Jan 28, 2013

dispatch said you dont need trailer brakes, you have 10 on your tractor

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