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can i recharge a kegerator/fridge


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12 replies to this topic

#1 MicroMonkey

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Posted 27 July 2005 - 07:27 AM

I have a kegerator, and It got a hole poked in the grid inside where the coolant flows through. I fixed the hole, now I was wondering, is there a way to put the coolant back into it. The back of it is just like any refrigerator Ive seen, in that the lowside of the coolant fill is crimped at the factory. Is there a kit of some sort that i can get to tap into it to put the coolant in? thanks for any help you can give :)

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#2 Pegi

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Posted 27 July 2005 - 07:52 AM

You will need to have some one certified by the EPA to access this system and recharge it with the proper freon for this unit.  Wondering how you patched this hole also that got punched into the coil??
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#3 MicroMonkey

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Posted 27 July 2005 - 11:45 AM

I fixed the hole with pc-7 (basically liquid steel). And it works fine, no more leak. I had figured that r-134a would suffice, as i know how to charge car AC systems. I had tapped into the low side with a tap for water line coupled with a fitting to connect to a freon can, but that coupler isnt sealed properly, so it all eventually leaked out again. so I assumed that maybe I will have to cut that copper tubing, and sweat a new piece onto it with a valve fitting on the end. I just wondered if there was a place to buy the proper equipment to do this. I am a mechanic, so i know i can fanagle something and make it work, but I would rather do it the proper way. I always say this  "If someone put it together, I can take it apart and fix it". The last statement doesnt apply to space shuttles or satellites, lol also, thanks again for any help or advice :)

#4 Pegi

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Posted 27 July 2005 - 11:55 AM

Find an A-1 access kit, should fit, has 2 inserts in there so it will fit different size lines, we use them here on window units and they seal well.
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#5 nickfixit

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Posted 27 July 2005 - 12:21 PM

I wonder how the epoxy you used will hold up in use under pressure. When the compressor is running, the evaporator sees low pressures, but when the compressor cycles off you see higher pressures. When you add in the expansion and contraction of the tubing, the patch may just come off.

Lets us know how it works.

I do factory work, so we would replace the evaporator.

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#6 MicroMonkey

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Posted 28 July 2005 - 03:27 AM

where would i find this A-1 access kit?

#7 exsearsguy

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Posted 28 July 2005 - 07:50 AM

Nick, one of my fellow techs way back when I worked at sears had used this fix on a fridge.It had held for a few years when I had to go change the compressor(it must have been an MA call).The box had been warm for a few days when I changed the compressor and the patch still held. I couldn't believe it did but we never got called back.

#8 Pegi

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Posted 28 July 2005 - 08:41 AM

Probably any shop that works on friges and window units would have an A-1 or any appliance parts dist. place.
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#9 nickfixit

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Posted 28 July 2005 - 11:31 AM

That is impressive, I've seen epoxy for sale that was made for sealed system, I didn't know if they would work. I imagine you lightly sand the area first, it's the prep work that usually makes the difference with adhesives.
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#10 MicroMonkey

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Posted 28 July 2005 - 02:06 PM

I sanded it with the same material you scuff copper with before sweating it. I will know if its really going to hold once I can get the freon in it, and have it STAY in it, lol. pc-7 is some really strong stuff, it is usually stronger than steel provided the two parts are mixed properly. I found a site with some useful looking fittings www.rparts.com. All I need is a schrader valve, and something to thread it to, and I think Ill be ok. I just cant evacuate the system, as I have no way to do it on a fridge. But I think it will be fine anyway.

#11 exsearsguy

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Posted 29 July 2005 - 05:35 PM

Nick, the epoxy we used just came from Walmart or the hardware store.Nothing fancy or expensive.You're right abour sanding and having it CLEAN. Micromonkey,you've had 2, count them,2 leaks on your low side. High possibility of moisture or air in your system. Wanna learn about  sweep charging your system?

#12 MicroMonkey

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Posted 30 July 2005 - 06:51 AM

are you asking if i want to learn how to do it? if so, then yes, I would like to do what i can to make this thing work again :)

#13 exsearsguy

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Posted 01 August 2005 - 09:23 PM

MM, sorry about the delay. Get yourself a brave  in fitting for the low side and a  drier with an access fitting already on it. Cut out the old drier.Replace it and braze in your access fitting for the lowside. Check for leaks Since I don't know your system it will get a little guesswork here.Partially charge your system,run it for a few minutes, then open the high side fitting and let it blow all the gas out.Then charge your system normally. Should work. Ask me any questions if you have them before you start and I'll try to answer them. Good luck.




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