Author Topic: 550 subzero could this be a leak?  (Read 3802 times)

Offline krazytech

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550 subzero could this be a leak?
« on: May 01, 2011, 09:46:45 PM »
check this evaporator out ,,,, could this be anything other than a leak it took 12 weeks to leak out,
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Offline krazytech

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Re: could this be a leak?
« Reply #1 on: May 01, 2011, 09:48:30 PM »
This is the cap tube and suction line...
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline niobrara

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Re: could this be a leak?
« Reply #2 on: May 02, 2011, 06:44:40 PM »
Could be , but its not. Those evaps are bad for leaking.Pump it down and recharge it and add some dye. I had one about 6 months ago.561 I think.

Offline JWWebster

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Re: could this be a leak?
« Reply #3 on: May 02, 2011, 08:02:40 PM »
As you probably know the points where is leak is most likely to occur is where the heater meets the evaporator. Look for signs of oil residue around that area.
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Offline krazytech

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Re: could this be a leak?
« Reply #4 on: May 02, 2011, 08:14:13 PM »
No heater on this on JW, Cycle defrost....
  No oil in the trough no oil in the drain pan...two tech before me changed the evaporator.. and recharged.. this is a R-12 that has R-414a in it....
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline niobrara

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Re: could this be a leak?
« Reply #5 on: May 02, 2011, 10:21:00 PM »
I never found any oil on the last one I had. And after dye it took about 5 to 6 weeks before customer called . Not cooling again , never did pin point the leak , but it was in the evap.

Offline Icehouse

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Re: could this be a leak?
« Reply #6 on: May 03, 2011, 01:45:14 PM »
Could be , but its not. Those evaps are bad for leaking.Pump it down and recharge it and add some dye. I had one about 6 months ago.561 I think.
:tickedoff: Only two things that belong in a refrigeration system.
1. Refrigerant
2. Oil
Nothing I repeat nothing else.
Proper leak detection with refrigerant and dry charged Nitrogen. Thank You.  O0
NATE, NCCER, PHCC,HVAC Certified Instructor
Member RSES, US Army Refrigeration Specialist(Retired), Former Refrigeration Teacher NYC Board of Ed.
a tragedy has happen to me : http://web.me.com/zenzoidman/Bobice/

Offline JWWebster

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Re: could this be a leak?
« Reply #7 on: May 03, 2011, 04:51:07 PM »
I use a halide torch to look for leaks. Not a big fan of adding anything other than oil or refrigerant.
May the hinges of our friendship
        never grow rusty.

About the icons: The beer is tip link, if a tech saves ya some money buy em a 6 pack. The small green square=personal message. The green dot is a link to my web page on appliance repair and other general BS I love to post. The letter sends me email.
I love fan letters! LOL

Offline Icehouse

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Re: could this be a leak?
« Reply #8 on: May 03, 2011, 05:08:49 PM »
I use a halide torch to look for leaks. Not a big fan of adding anything other than oil or refrigerant.
Ah a man who is after my heart. Good old Halide torch.
True story. Years ago my dad was installing a showcase on Madison Ave. in NYC.
Dupont salesman had just convinced him how great Methyl Chloride was so his helper grabbed the Halide Torch to look for leaks. Ironically the kid happen to turn his head when he lit it and BOOM The kid my father,salesman and showcase wound up on the other side of the street.  :rofl: :rofl:
NATE, NCCER, PHCC,HVAC Certified Instructor
Member RSES, US Army Refrigeration Specialist(Retired), Former Refrigeration Teacher NYC Board of Ed.
a tragedy has happen to me : http://web.me.com/zenzoidman/Bobice/

Offline niobrara

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Re: could this be a leak?
« Reply #9 on: May 03, 2011, 05:29:46 PM »
Better update Whirlpool on that. Those nasty dye dryers. They even come with the compressors. GE is the only one that says add nothing to the system that I know of.

Offline krazytech

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Re: could this be a leak?
« Reply #10 on: May 03, 2011, 07:26:39 PM »
I have used Superseal on systems with a leak I could not find and even on  systems that the customer would not spend what it cost to repair..and have not had a call back on them..

I have put on many dye dryers not had any trouble with them..
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline Icehouse

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Re: could this be a leak?
« Reply #11 on: May 03, 2011, 09:02:49 PM »
I have used Superseal on systems with a leak I could not find and even on  systems that the customer would not spend what it cost to repair..and have not had a call back on them..

I have put on many dye dryers not had any trouble with them..
SuperS**t is more like it. :2funny: Will void all warranties. :'(
NATE, NCCER, PHCC,HVAC Certified Instructor
Member RSES, US Army Refrigeration Specialist(Retired), Former Refrigeration Teacher NYC Board of Ed.
a tragedy has happen to me : http://web.me.com/zenzoidman/Bobice/

Offline krazytech

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Re: could this be a leak?
« Reply #12 on: May 03, 2011, 09:14:15 PM »
yep the jobs that I have used them on, No longer had warranties long ago...
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline PARTech

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Re: could this be a leak?
« Reply #13 on: May 04, 2011, 09:38:22 AM »
Could be , but its not. Those evaps are bad for leaking.Pump it down and recharge it and add some dye. I had one about 6 months ago.561 I think.
:tickedoff: Only two things that belong in a refrigeration system.
1. Refrigerant
2. Oil
Nothing I repeat nothing else.
Proper leak detection with refrigerant and dry charged Nitrogen. Thank You.  O0

Just don't tell Whirlpool, Nitrogen is a no no now.....  Dye check for them...  <sigh>
Serving North Idaho

Offline Icehouse

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Re: could this be a leak?
« Reply #14 on: May 04, 2011, 09:45:05 PM »
Could be , but its not. Those evaps are bad for leaking.Pump it down and recharge it and add some dye. I had one about 6 months ago.561 I think.
:tickedoff: Only two things that belong in a refrigeration system.
1. Refrigerant
2. Oil
Nothing I repeat nothing else.
Proper leak detection with refrigerant and dry charged Nitrogen. Thank You.  O0

Just don't tell Whirlpool, Nitrogen is a no no now.....  Dye check for them...  <sigh>
Maybe they should stop making them in Mexico with Brazilian compressors
NATE, NCCER, PHCC,HVAC Certified Instructor
Member RSES, US Army Refrigeration Specialist(Retired), Former Refrigeration Teacher NYC Board of Ed.
a tragedy has happen to me : http://web.me.com/zenzoidman/Bobice/

 

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