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My A/C on life support

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  #16  
Old 04-07-2012, 06:52 AM
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Quote:
Originally Posted by fordpride View Post
It's fixed and blowing cold
What was the problem, just need recharged?
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  #17  
Old 04-07-2012, 07:35 AM
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Quote:
Originally Posted by tshrager View Post
What was the problem, just need recharged?
The HS line started leaking at one if the crimps
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  #18  
Old 04-07-2012, 09:52 AM
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I have one of those vac's, its been along time sinse I used it. How long do you run it?
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  #19  
Old 04-07-2012, 12:37 PM
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I ran it for 1 hour
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  #20  
Old 07-03-2012, 10:58 PM
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Quote:
Originally Posted by fordpride View Post
HS is between 110-220
LS is beteen. 25-55

My vents are getting down to 35*
Its been 100* here in the Black Hills and besides being chased around by forest fires my ac, which has been working good since I replaced the HS switch, is cutting out. Is my system overcharged according to your figures above Mike? It doesn't make sense to me for it to be overcharged. If you guys (Mike) don't see this I'll start a new thread but sometimes old threads get more attention.

Click the image to open in full size.
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The 'Old Gray Mare' 97 dually cc, rest in peace. To be resurrected by a fellow FTEer!
The 'Babe the Blue Ox' 97 dually EC,T4 s366,DI IC,stage I's,Hydra,studs,springs,pushrods,swamps HVHF IDM,John Woods auto,FS2500 oil bypass,3"DP-4",SD dual tensioner,6.0 trans cooler,turbo silencer,adrenaline
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  #21  
Old 07-03-2012, 11:01 PM
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Normally when the HS gets too high is cause of a blockage.

Was that with the AC an max?
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  #22  
Old 07-03-2012, 11:02 PM
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The HS shouldnt get over 250
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  #23  
Old 07-03-2012, 11:38 PM
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Great, not what I wanted to hear. I don't have the vac with me, darn it. Those reading are at max, high idle and after about five minutes of running. I pulled the camper about 20 miles and it would only work when not under a heavy pull. When stopped it would click on and off. After about a hour it would stay running and that's when I put the gauges on.

A little side note, I couldn't get the HS fitting on and was at a loss as to way. I finally figured it out, when I took the cap off the plug inside stayed in the valve and left a hole in the top of the cap. I used a needle point from a light tester, a little bit of light drilling and got it out. Then after I put the gauges away and walked back to the truck I heard it leaking. Put the gauges on again and took the picture. The first time I had them on the HS was up to 340 so I guess I have a blockage.

Thanks for your help Mike. Would that reading be OK because I was using high idle??
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The 'Old Gray Mare' 97 dually cc, rest in peace. To be resurrected by a fellow FTEer!
The 'Babe the Blue Ox' 97 dually EC,T4 s366,DI IC,stage I's,Hydra,studs,springs,pushrods,swamps HVHF IDM,John Woods auto,FS2500 oil bypass,3"DP-4",SD dual tensioner,6.0 trans cooler,turbo silencer,adrenaline
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  #24  
Old 07-03-2012, 11:42 PM
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When I did mine I had it in high idle and it never got over 225
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  #25  
Old 07-03-2012, 11:43 PM
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When the HS gets to hight it will shut the compressor down to prevent damage
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  #26  
Old 07-04-2012, 12:00 AM
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OK, thanks. After 205K its time for a overhaul.

What usually gets blocked, is it a little screen in there, seems like I read that?
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Glenn-3 PSD's
The 'Mule' 96 2WD F250 EC/LB auto PSD, semi-retired.
The 'Old Gray Mare' 97 dually cc, rest in peace. To be resurrected by a fellow FTEer!
The 'Babe the Blue Ox' 97 dually EC,T4 s366,DI IC,stage I's,Hydra,studs,springs,pushrods,swamps HVHF IDM,John Woods auto,FS2500 oil bypass,3"DP-4",SD dual tensioner,6.0 trans cooler,turbo silencer,adrenaline
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  #27  
Old 07-04-2012, 12:20 AM
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Orifice tube could be stopped up but if it the orifice is stopped up that means debris came from somewhere.

The last one I seen clogged was cause of metal shavings coming out of the compressor
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  #28  
Old 07-04-2012, 12:34 AM
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Ambient temp
100°F

Low side
40-50 psi

High side
200-250 psi

Center vent temp
52-60°F
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  #29  
Old 07-04-2012, 12:35 AM
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Read this

AC Compressor | Evaporator Core | Fuel Pump | Condenser | Water Pump | Clutch
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  #30  
Old 07-04-2012, 12:41 AM
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Tried to rep you but.... Looks like a good article, to beat to read it now. Thanks Mike!!!
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Glenn-3 PSD's
The 'Mule' 96 2WD F250 EC/LB auto PSD, semi-retired.
The 'Old Gray Mare' 97 dually cc, rest in peace. To be resurrected by a fellow FTEer!
The 'Babe the Blue Ox' 97 dually EC,T4 s366,DI IC,stage I's,Hydra,studs,springs,pushrods,swamps HVHF IDM,John Woods auto,FS2500 oil bypass,3"DP-4",SD dual tensioner,6.0 trans cooler,turbo silencer,adrenaline
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