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08-20-2017, 09:38 PM
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#1
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New Member
Join Date: Aug 2017
Posts: 8
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Removing air conditioning
Hi long time reader but first time posting. We're in the middle of our bus demo and want to take the two overhead air conditioning units out of the bus. I was just wondering what steps we should be planning on taking to safely do this. If there are pieces that will need to be disconnected from the engine what those would be. Any information would be appreciated
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08-21-2017, 09:45 AM
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#2
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Bus Crazy
Join Date: Dec 2014
Location: Dowdy Lakes, Colorado
Posts: 1,444
Year: 1989
Coachwork: Thomas
Chassis: Saf-T-Liner ER
Engine: 3208 CAT/MT643 tranny
Rated Cap: 87
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Pumpkin,
Well, it would be helpful if you can take pictures so we can see exactly what you have. Not all A/C units are set up the same. In addition, your location may be able to give us ideas about local A/C people that may be able to help you more directly. Sorry about sounding so vague, but it's the best I can do for right now....
My two cents......
M
__________________
Firearms stand next in importance to the Constitution itself. They are the American people’s liberty teeth and keystone under independence. — George Washington
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08-21-2017, 03:00 PM
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#3
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Bus Nut
Join Date: Mar 2017
Location: Greenwood, Indiana
Posts: 669
Year: 1999
Coachwork: New Flyer
Chassis: D45HF "Viking"
Engine: 11.1L Detroit Diesel S60
Rated Cap: 51,600
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Yea, what M1031A1 said. You need a technician that is at least moderately experienced in mobile AC units to remove the refrigerant - please don't dump that stuff into the atmosphere if you can help it!
Once that is done you can start looking at removing the actual AC evaporator and condenser coils as well as the pump and associated belts, hoses, and wires.
However, any more specific help will require pics.
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08-21-2017, 04:25 PM
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#4
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Bus Geek
Join Date: May 2016
Location: Eastern WA
Posts: 6,401
Year: 2002
Coachwork: Bluebird
Chassis: All American RE (A3RE)
Engine: Cummins ISC (8.3)
Rated Cap: 72
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When you make your plan to remove them I would suggest that you keep an eye towards keeping the dash air.
RV roof air and window air conditioners can do a great job when you are parked, they are far from ideal when you are running down the road.
Good luck!
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08-21-2017, 04:40 PM
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#5
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,757
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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it will only have Dash air if its a van cutaway.. or a very rare newer freightliner chassis or IC bus..
I had to add dash air to my first bluebird.. and then my carpenter.. my current bluebird has rear air but no dash air (for now)..
as for taking it out.. DONT let the freon out...
DO keep the parts nice..unscrew, dont cut.. there *ARE* skoolie owners who would like to have that A/C.. give it away instead of scrapping it..
MOST times the compressors drive off of their own belts so removing them usually wont affect the drive belt (or belts) for your other accessories...
-Christopher
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08-21-2017, 06:58 PM
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#6
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New Member
Join Date: Aug 2017
Posts: 8
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08-21-2017, 07:13 PM
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#7
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New Member
Join Date: Aug 2017
Posts: 8
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Quote:
Originally Posted by M1031A1
Pumpkin,
Well, it would be helpful if you can take pictures so we can see exactly what you have. Not all A/C units are set up the same. In addition, your location may be able to give us ideas about local A/C people that may be able to help you more directly. Sorry about sounding so vague, but it's the best I can do for right now....
My two cents......
M
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I uploaded photos of all of the components. Meant to do this with my original post but my brain was fried from a full weekend of demo. Thanks for your response and feedback [emoji3]
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08-21-2017, 10:12 PM
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#8
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Bus Crazy
Join Date: Mar 2011
Location: Oregon/Philippines
Posts: 1,660
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Quote:
Originally Posted by MarkyDee
Yea, what M1031A1 said. You need a technician that is at least moderately experienced in mobile AC units to remove the refrigerant - please don't dump that stuff into the atmosphere if you can help it!
Once that is done you can start looking at removing the actual AC evaporator and condenser coils as well as the pump and associated belts, hoses, and wires.
However, any more specific help will require pics.
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Yeah, dont dump it... lol... pretty much ALL ac units will leak out over time.. and there is obviously billions of them. This is a fact. What little one allows to be released ahead of time wont make any difference.... except that it will cause climate change...waiting for that.
2. is a good idea to keep the system instead of trashing it if one wants to have front ac when driving.
__________________
Jesus Christ... Conversion in progress.
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12-11-2017, 06:12 AM
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#9
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Bus Nut
Join Date: Sep 2017
Posts: 386
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Quote:
Originally Posted by chev49
Yeah, dont dump it... lol... pretty much ALL ac units will leak out over time.. and there is obviously billions of them. This is a fact. What little one allows to be released ahead of time wont make any difference.... except that it will cause climate change...waiting for that.
2. is a good idea to keep the system instead of trashing it if one wants to have front ac when driving.
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As come on Markey Al Gore still needs a job! But don't dump it someone else might need those few drops of recycled refrigerant. Like me!
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12-11-2017, 06:18 AM
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#10
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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If anyone's getting rid of any air conditioning parts I need the plastic housing for my rear unit. Mines cracking apart pretty bad.
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12-11-2017, 07:25 AM
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#11
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Bus Nut
Join Date: Sep 2017
Posts: 386
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Sorry mine are each side
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12-11-2017, 09:21 AM
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#12
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,757
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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Quote:
Originally Posted by golfersmurf57
As come on Markey Al Gore still needs a job! But don't dump it someone else might need those few drops of recycled refrigerant. Like me!
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unless you can verify refrigerant is pure I typically dont re-use what I tank out of an unknown system. esp if its an old R-22 system. never know what someone pumped into it...
-Christopher
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12-12-2017, 09:59 AM
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#13
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Bus Nut
Join Date: Sep 2017
Posts: 386
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Doubtful it'd have any in it. Most times there's little to recover. Most older systems have been converted already. I've never heard of a 22 system that wasn't refrigeration being engine powered. I bet it would cool good though. Those old 22 freezers get downright chilly.
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12-12-2017, 10:18 AM
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#14
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Bus Geek
Join Date: May 2009
Location: Columbus Ohio
Posts: 18,757
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
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Quote:
Originally Posted by golfersmurf57
Doubtful it'd have any in it. Most times there's little to recover. Most older systems have been converted already. I've never heard of a 22 system that wasn't refrigeration being engine powered. I bet it would cool good though. Those old 22 freezers get downright chilly.
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ive seen several forum members with busses from the late 80s early 90s that were 22 and not 12. the coach busses with V-style piston compressors almost always ran R-22.
that 86 Blue-bird chevy i had previous had factory air and a GMC A-6 (yep the old frigidaire style) compressor and R-12. but that was a short bus.
believe it or not the old GMC A-6 compressor known for its wicked cold air in the old caddies.. has enough capacity to cool a 3/4 sized bus!
-Christopher
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07-07-2018, 08:04 PM
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#15
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Mini-Skoolie
Join Date: Feb 2018
Posts: 17
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Quote:
Originally Posted by Pumpkin
Hi long time reader but first time posting. We're in the middle of our bus demo and want to take the two overhead air conditioning units out of the bus. I was just wondering what steps we should be planning on taking to safely do this. If there are pieces that will need to be disconnected from the engine what those would be. Any information would be appreciated
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we are currently about to tackle this project with similar units, any advice? how did yours go?
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07-07-2018, 08:50 PM
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#16
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Bus Geek
Join Date: Sep 2014
Location: Eustis FLORIDA
Posts: 23,764
Year: 1999
Coachwork: Thomas
Chassis: Freighliner FS65
Engine: Cat 3126
Rated Cap: 15
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Anyone in FL looking to ditch their AC, let me know. I'm looking for spare AC parts.
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