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  #1  
Old 02-25-2009
tulipvendor50's Avatar
tulipvendor50 tulipvendor50 is offline
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Default Forward Control Dash Air Conditioner

I have been having problems with my front air conditioner.
Last year, something happened to it and basically the compressor would not turn any more.

I have been told that the compressor is toast and the magnetic clutch needs to be replaced as well. In addition to the odds and ends that have to be changed, the quote is $1800.

Somewhere I have seen that a number of people just get rid of the dash air and turn on the genset and run the main air conditioners.
I am inclined to go this way for a number of reasons:
1. I can buy a lot of fuel for the genset for $1800.
2. Genset would get used more which is good for it.
3. I would have some extra power to push the coach along.

Okay folks, which way should I go, pros and cons please
Thanks
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  #2  
Old 02-25-2009
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Quote:
Originally Posted by tulipvendor50 View Post
I have been having problems with my front air conditioner.
Last year, something happened to it and basically the compressor would not turn any more.

I have been told that the compressor is toast and the magnetic clutch needs to be replaced as well. In addition to the odds and ends that have to be changed, the quote is $1800.

Somewhere I have seen that a number of people just get rid of the dash air and turn on the genset and run the main air conditioners.
I am inclined to go this way for a number of reasons:
1. I can buy a lot of fuel for the genset for $1800.
2. Genset would get used more which is good for it.
3. I would have some extra power to push the coach along.

Okay folks, which way should I go, pros and cons please
Thanks

Bill,

The decision to go with not repairing the dash air on my 'Bird was made easier, by that cost of repairs similar to yours, plus I would have to replace some of the hoses too, making the job even more expensive and difficult.

I run the generator and run as many of the air conditioners as it takes to make me feel comfortable, even when I stop in a rest area and walk to the back to use the bathroom, or decide to lay down and take a nap, I don't have to wait for those areas to cool down. Here below is the way that I use the dash air fans to get the cold air blowing on me, it makes it a lot more comfortable when the sun is shinning straight in that windshield, it works great.


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I'M SO SLOW ON THE HILLS,THAT I GET TO SMELL THE FLOWERS AS I GO BY.....AND WATCH THEM GROW TOO!! NOT SO MUCH ANYMORE
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  #3  
Old 02-25-2009
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Randy Dupree Randy Dupree is offline
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Bill,theres way less than $500 in parts to fix the AC,
compressor should be around $250 for a new one,then you need a dryer and an expansion valve,and a system flush.
i bet you can do it your self.
i most likely would not fix it,for the reasons you stated.
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  #4  
Old 02-26-2009
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Repair or remove is a personal preference. I prefered to remove the existing compressor and also the bulk oil fill as well (OMG some might say). there is now a much better flow of air up and over the engine as well as back to the turbo etc. I run my generator like Iamflagman with great success. You are right, less drag on the engine, better cooling inside as needed all the way to the back. My Kohler Gen. has well over 8000 hours on it and just keeps going! Also and of great importance, the dash fan switches are under rated/overloaded and as mind were, slap burnt up as well as the associated wiring in the dash. The fan switches really need to be switching properly rated relays. Lastly, I never really trusted the bulk oil fill with reguard to accumulated tank condensation etc. Plus the !#$%^&* handle always rattled at an idle and out it came...
Best wishes and happy cooling!
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  #5  
Old 02-26-2009
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Last time I saw my dash air compressor it was in a trash barrel at a truck stop in Perry. I prefer the genset approach.
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  #6  
Old 02-26-2009
mynavion mynavion is offline
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I agree. These old birds need all the power they can get. Why throw out the anchor everytime the AC compressor kicks in. Run the generator, save 50lbs in weight up front and open up the engine area more. In fact I use the space where the AC compressor was to rout the additional air intake.

Quote:
Originally Posted by Turbokitty View Post
Repair or remove is a personal preference. I prefered to remove the existing compressor and also the bulk oil fill as well (OMG some might say). there is now a much better flow of air up and over the engine as well as back to the turbo etc. I run my generator like Iamflagman with great success. You are right, less drag on the engine, better cooling inside as needed all the way to the back. My Kohler Gen. has well over 8000 hours on it and just keeps going! Also and of great importance, the dash fan switches are under rated/overloaded and as mind were, slap burnt up as well as the associated wiring in the dash. The fan switches really need to be switching properly rated relays. Lastly, I never really trusted the bulk oil fill with reguard to accumulated tank condensation etc. Plus the !#$%^&* handle always rattled at an idle and out it came...
Best wishes and happy cooling!
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Last edited by mynavion; 02-26-2009 at 08:18 AM.
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  #7  
Old 02-26-2009
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Default Works like a Jake Brake

Quote:
Originally Posted by mynavion View Post
I agree. These old birds need all the power they can get. Why throw out the anchor everytime the AC compressor kicks in. Run the generator, save 50lbs in weight up front and open up the engine are more. In fact I use the space where the AC compressor was to rout the additional air intake.
I would suspect that you could leave the dash air conditioner system intact and use it as a substitute Jake brake, or an Exhaust Brake.

I used to run VW Rabbit diesels in my flag car business and I always told the truck drivers that I was escorting, that the VW diesel was equipped with a Jake Brake only VW called it the air conditioner, it actually had a York compressor almost the same size as I have seen on some of the early FC's and when you turned it on at speed, it felt just like a Jake, or an Exhaust brake it would slow down significantly, seriously!!



Here is a picture of them both with a truck hauling a Cat D-9 Pipe Layer on it way to Alberta, Canada, this same load was featured in Volkswagen Times titled "They both fuel at the same pump" it featured a photo of the truck on one side of a diesel pump and the VW on the other side being fueled at the same time at the old Skelly Truck Stop in Sheridan, Wyo.

They were a challenge to drive as fast as they would go to stay out of the way of the load....................................but they got the 55 mpg as advertised. Very similar, in throttle responce, to driving my 3208NA powered 'Bird with the trailer in tow, which actually is a little bit faster than the VW Diesels of that era.
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FORUM MODERATOR-ADMINISTRATOR
1982 FC35RB
I'm NO EXPERT, but I did stay in the FINN'S INN EXPRESS last night
HOPKINS, SOUTH CAROLINA
VISIT THE FINN'S INN EXPRESS REMODELING ADVENTURE AND TECH. TIPS
I'M SO SLOW ON THE HILLS,THAT I GET TO SMELL THE FLOWERS AS I GO BY.....AND WATCH THEM GROW TOO!! NOT SO MUCH ANYMORE
Visit the WILD HARE RACING website
REMEMBER 9/11
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  #8  
Old 02-26-2009
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Turbokitty Turbokitty is offline
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John, with regard to your "York Jake Brake"... As a famous comedian would say "now I don't care what anybody says.... thats funny"
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Timberlake Products Group, Inc.
1985 PT36
1983 FC35RB Left me for Atlanta!
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https://www.timberlakeproductsgroup.com/
https://www.ebay.com/str/timberlakeproductsgroup

Last edited by Turbokitty; 05-17-2012 at 08:17 PM.
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  #9  
Old 02-26-2009
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Default Forward Control Dash Air Conditioner

OK, Bill put this thread up for me.....I love my A/C must have in everything I have.
It looks like it is coming out BUT this concerns me a little bit.....
You all have working gensets....i don't know what a "genset" is? A working genset ...that is our last 5wk trip...Well let's say genset was there in "machine" form...but it had given up it's ghost and it was Hot trip!
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  #10  
Old 02-26-2009
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vadie,its also know as an APU,or in your case we will call it a generator!
you know,the noisy thing just outside the door!
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