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Old 07-18-2018, 11:05 AM   #1
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Join Date: Jul 2018
Location: Phoenix, Arizona
Posts: 2
Year: 1997
Engine: 5.9L Cummins
Rated Cap: 72 Passenger
Removing Our A/C...HELP

So we are almost at a roadblock with our demo. I need to remove and disconnect the A/C unit properly from the bus. Iím lost and do not know what Iím doing with this thing. Some advice or direction would be stellar!! Also seen a lot about keeping the A/C but not sure how with this unit, would prefer the damn thing out and off the roof! Also it appears we have the unit on the roof and 3 inside the bus. One in the back, one on the driver side mid way back and one passenger side front of the bus. I do not see any dashboard units, only a heater.
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Old 07-18-2018, 02:08 PM   #2
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Join Date: May 2018
Location: topeka kansas
Posts: 252
Year: 1954
Coachwork: wayne
Chassis: old f500- new 2005 f-450
Engine: cummins 12 valve
Rated Cap: 20? five rows of 4?
what you have

From what I see, The thing on the roof is called a condenser, After the refrigerant goes inside and is used to cool the air, the gas goes back to the compressor, then after that goes through the condenser, that drops the temp of the gas and goes back to a liquid. from the condenser, the liquid goes through tiny little holes and is back to a gas with low temperature.


If you get rid of the condenser on the roof you would have to put another one on the bus skirts or in the nose. The ceiling mount units do not all have to be used but the condenser, compressor, is sized for that useage. You have a big system there. I would assume the bus came from some place warm/hot.

the ceiling mounts, take the covers off first. You will find some wires and two pipes, little pipe and big pipe.

you have two ways to get the refrigerant out of the system, responsible way, and the easy way. Find some automotive a/c place and ask them. Look on line about how to remove refrigerant.

Unplug / cut wires remove line fittings from ceiling units, unbolt units from ceiling.

The part on the roof is likely to weigh a couple of hundred pounds.

I dont know if compressors are engine mounted, most likely, or roof mounted and electric- possible but not likely.

does this help at all?

william
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