1983 PT 40 question on location air tanks -- Buzzy's Question and Answer Forum

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Subject: 1983 PT 40 question on location air tanks

Author:
Mike Warmbier

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Date Posted: 10/ 3/ 01, 2:40pm

I have a 1983 PT 40 and think it has two or three air tanks, one for the steps and other air accessories and two for the air brakes. Where are these located and how often should they be drained? Where is air compressor on engine?

Also I found a petcock under the engine (6V92 w/turbo) and assume this is some type of drain, I opened it, some oil came out, so I closed it. What is this for and should I be draining it.

If you have a Blue Bird the same model I have, would like to talk to you. You can E mail your phone number and I'll give you a call.

Thanks,

Mike crosley31@aol.com

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Replies:

[> Subject: Re: 1983 PT 40 question on location air tanks
Author: harvey Lawrence [ Edit \| View ]	Date Posted: 10/ 4/ 01, 7:40pm phone 361 790 8447 do not under any circumstances crawl under your motor home and bleed air out of the tanks, unless you want to be crushed like a bug!! [ Post a Reply to This Message ]

[> Subject: Re: 1983 PT 40 question on location air tanks

Author:
Bob Dilks
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Date Posted: 10/ 5/ 01, 7:53pm

call me at 580/564-3517
There are three air reservoirs, one for the rear brakes, one for the front brakes and one for the accessories. They are supposed to be drained periodically, but in reality, if you keep you air dryer serviced regularly, water accumulation should not be a problem. When you park your coach, be sure to pump the brake pedal to exhaust all the air pressure, otherwise the constant pressure is tough on the seals and other brake parts. The engine air compressor is on the passenger side high rear (toward the transmission) and can be seen and felt by looking behind the exhaust pipe.

My best fuel mileage (interstate driving on the coastal plain) is 6 MPG which is normal. If you start in Denver and drive 60 MPH downhill to Dallas on the interstate you might eek out 7 MPG.

Will be happy to share information on the 6V92 with you.

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