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Old 05-06-2013, 03:59 PM   #51
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Quote:
Originally Posted by Himcules View Post
front wheel wells... look on the frame for a wire ... ...after parking and shutting the engine off, pull the loop till air stops coming out.
Himcules: Here's the specialty tool I use to hook the wire loop so I don't have to drag my bod under the bus:

Unfortunately the tool is of relatively little value to me when used for its originally intended purpose
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Old 05-06-2013, 10:19 PM   #52
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I maintain 18 diesel trucks and our rule is to drain the air tanks at every fillup. We have the drain valve pigtails by the filler cap so its easy to reach down and pull them.

Critical to drain in the winter because the moisture will freeze in the airlines and make braking a little difficult!!!!!
Someone earlier commented about how little moisture comes out and that is true. During non-freezing weather I drain once in a great while (maybe once a month). I don't drive below freezing, so that doesn't affect me.

Boowho??
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Old 05-07-2013, 08:12 AM   #53
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Ok ... I am officially confused.
I see the need to dump air in order to release excess moisture from the tanks.

I was under the impression that by dumping air from the suspension that "all air was being dumped". One of the notes however indicated that this process is only dumping air from the suspension and not from the tank.

If this is the case, why do both air pressure gauges drop to zero if only suspension air is being dumped.

I believe what is being said ... just trying to understand the process
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Old 05-07-2013, 08:28 AM   #54
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I have a garage compressor/tank I bought new in 1997 from Sears. Have never drained it and I'm not sure it has a drain valve, (In the old days we called these petcocks).

Maybe I should check it.
Chances are, you're only getting 3/4 of the tank capacity due to water in the tank. I check mine about every 6-8 months. Usually get about a gallon from a 60gal tank.
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Old 05-07-2013, 08:51 AM   #55
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I have just found the answer to all of our questions on page 30 in the Freightliner Chassis manual. It says the following;

MYTH:
Air systems require little maintenance

FACT:
FCCC provides automatic moisture ejectors this eliminates the need
to drain tanks drain cables provided which allow tanks to be drained from

above every
6 MONTHS

If someone can tell me how to attach a PDF file ... I can post the entire document
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Old 05-07-2013, 09:22 AM   #56
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Originally Posted by OldCoot View Post

Chances are, you're only getting 3/4 of the tank capacity due to water in the tank. I check mine about every 6-8 months. Usually get about a gallon from a 60gal tank.
Not true.

If you refer to my earlier post about air system dryers there's no need what so ever to use tank drains.
Normal maintenance on the filter and heater as well as the purge valve is ALL THATS NEEDED.

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Old 05-07-2013, 09:26 AM   #57
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http://www.truckinginfo.com/channel/...air-dryer.aspx
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Old 05-07-2013, 09:42 AM   #58
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Originally Posted by f1100turbo View Post
Not true.

If you refer to my earlier post about air system dryers there's no need what so ever to use tank drains.
Normal maintenance on the filter and heater as well as the purge valve is ALL THATS NEEDED.

The man was talking about a home tank and there are no water checks on a home compressor filling the storage tank. The dryers are on the line from the tank.
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Old 05-07-2013, 10:31 AM   #59
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Originally Posted by OldCoot View Post

The man was talking about a home tank and there are no water checks on a home compressor filling the storage tank. The dryers are on the line from the tank.
Funny this post is about motor home air brakes.......
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Old 05-07-2013, 10:43 AM   #60
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Originally Posted by OldCoot View Post

The man was talking about a home tank and there are no water checks on a home compressor filling the storage tank. The dryers are on the line from the tank.
Oh and by the way they make auto tank drains for compressors to.
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