M35a2 A/C system

brainsboy

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Tampa, FL
I just bought my first M35a2 a few months ago and turns out it needed a lot more work than I had originaly thought. I dont think the last guy did anything to it because it basically needed everything. Fuel filters were so clogged I cant even believe it was running. Master cylinder had no fluid in it, wheel bearings were bone dry and about to lock up and all the axle seals were junk. Im not a diesel mechanic so I think I have sent more time researching how to fix the problems and actually working on the truck. Anyhow, I live in Florida and thought I would do something more in my field of specialty so I added A/C to my truck. Took about two weeks to complete and really was not as hard as I thought it was going to be. I have a mill and lathe so I made all my own brackets. I did some junkyard searching and found the perfect A/C blower assembly, the a/c lines and water drain were in just the right spots so it mounts nicely. I still have a few minor details to finish but sure is nice having ice cold a/c in my duece. I didnt add in any vents. Actually with no vents the blower motor has a crazy amount of air flow since there are not any restrictions of having to push air though air tubes. The entire cab cools down in seconds.
ac5.jpgac.jpg
 
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brainsboy

New member
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Tampa, FL
Everything is dirty and messy right now because I wasnt even sure this was going to work, so I didnt bother cleaning up the junkyard parts. Since everything is up and working great I will clean up the engine compartment next week and replace the reciever dryer with a new one. Most of the parts were from a Kia and a Hyundai along with some custom a/c lines. I used this system because the expansion valve, blower motor, blower resister, and thermal resister switch are built into the box together which makes it easy to install.
ac7.jpg
 
461
4
18
Location
Sandyston, NJ
Thats a great install. I would love to know what specific parts came from what as I am sure alot of other people would. The more info the better. Like what year make and model did each part come from would be awesome. I like this route better than taking a brand new military AC unit an chopping it up to make it fit.
 

w3azel

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Waipahu/HI
I'm so excited about this. Might get a build that doesn't cost me an arm and a leg or 20 phone calls to figure out my own cheap system that probably wont work.
 

tm america

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merrillville in
Looks like a f series truck was the donor?I have been working on a ac kit for the m35 ..just working out a few small details ..total package will come in around 1200 bucks..and this is all new parts with heat as well..just gotta do a redesign on my 12volt alt kit..I'm gonna move the 12volt alt to the driver side of the engine so i can mount the ac compressor above the 24 volt alt where my 12 volt kit mounts now..i have a company that is gonna make the air box for me and i will make the rest of the stuff so it is a dirrect bolt in..Question ?how well does it cool without insulating the cab?
 

welldigger

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Benton LA
Looks like a f series truck was the donor?I have been working on a ac kit for the m35 ..just working out a few small details ..total package will come in around 1200 bucks..and this is all new parts with heat as well..just gotta do a redesign on my 12volt alt kit..I'm gonna move the 12volt alt to the driver side of the engine so i can mount the ac compressor above the 24 volt alt where my 12 volt kit mounts now..i have a company that is gonna make the air box for me and i will make the rest of the stuff so it is a dirrect bolt in..Question ?how well does it cool without insulating the cab?
A guy down in Alexandria I know air conditioned several of his 5 tons with no insulation and he claims the a/c will frost the windows in August. If that is true here in LA then it shouldn't be a problem most anywhere else.
 

greg2560

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Yoakum Texas
the humidity is so high that is why it will fog the windows lol....Na never know <<< going to start looking for ac parts..I like the ford style with the orffice yube...as long as you can get about 20-30psi on the low side going to be cold.. Look at the PT chart for 135a freon
 

Another Ahab

Well-known member
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Alexandria, VA
Looks like a f series truck was the donor?I have been working on a ac kit for the m35 ..just working out a few small details ..total package will come in around 1200 bucks..and this is all new parts with heat as well..just gotta do a redesign on my 12volt alt kit..I'm gonna move the 12volt alt to the driver side of the engine so i can mount the ac compressor above the 24 volt alt where my 12 volt kit mounts now..i have a company that is gonna make the air box for me and i will make the rest of the stuff so it is a dirrect bolt in..Question ?how well does it cool without insulating the cab?
If someone comes up with an A/C "kit", a plug-and-play unit that will function in a Deuce, I'd be a buyer (cost within reason). Anybody enterprising enough out there (including TNJ, Eastern Surplus, etc.) will likely find other buyers as well. Just sayin'...
 

welldigger

Active member
2,602
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Location
Benton LA
the humidity is so high that is why it will fog the windows lol....Na never know <<< going to start looking for ac parts..I like the ford style with the orffice yube...as long as you can get about 20-30psi on the low side going to be cold.. Look at the PT chart for 135a freon
Believe me I'm well aware of the humidity. Either way you still need a good temperature change for the fog to form.
 

DHennon

Member
Steel Soldiers Supporter
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Location
Orlando, Fl
I also put a/c in my deuce and you can't run it very long on Hi or it will freeze you out! Well worth the effort. Not all that hard if you work on your on vehicle. I posted the install under "Air Conditioning a Deuce." I am working on a plug and play version. I used the A/C unit designed for the new family of military trucks. It has been in the truck since April and works just fine here in Florida!
 

orren

Member
Steel Soldiers Supporter
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Location
Live Oak, Florida, USA
Your A/C ideas sound great.

But, why couldn't a unit be make that is 24 Volt powered and mounts on the roof of a hard top
much like the ones used on RV's. May have to have a bigger alternator, etc. but should simplify
things. Seems the conventional units are to powerful and wasteful.

May have to insulate cab pretty good.

Your comments appreciated.

Orren
 
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