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09-12-2004, 11:32 PM #1
I wish my sidekick wouldn't go on holiday!
As some of you know, i am an a/c, ventilation type of guy more orientated to the installation, design and business side of things.
My sidekick, the technical, refrigeration, trouble shooting, servicing fella has gone for his annual 6 weeks in his homeland (india).
So here i am left, doing all our callouts with no backup.
Today i got one of those "my fridge isn't working can you come and fix it?"
Anyway i went along with one of the labourers, had a look, tried my limited knowledge of refrigeration trouble shooting and found the problem. The compressor down to earth.
Off i went feeling chuffed with myself, when the labourer started pecking my head with questions i couldn't answer.
can you please help me?
Q1) why did you get a shock of that capacitor? can you not dischage it before you touch it?
A1)**** off
Q2) why do two same compressors have different resistances across the windings. Working one 15, 12 & 3. Broken one 6, 2 & 1
A2)Any more questions and your walking home.
i know these are trivial to some of you, but servicing and fixing ain't my thing, that is what my partner does and he's about 2500 miles away.
My last questions are.
When i take out that compressor on tuesday, i'm going to cut her open and have a look inside (to educate the labourers, and no other reason, honest! because i know all about them, not)
What precautions must i take? and whats the best way to do it?
cheers
eggs
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10-12-2004, 12:09 AM #2
Re: I wish my sidekick wouldn't go on holiday!
Originally Posted by eggsAny opinions, statements and facts expressed in this message do not constitute legal advice in any shape or form and is given for a general outlook in nature. You are advised to seek appropriate and specific professional assistance from a regulated and authorised advisor for definitive advice.
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10-12-2004, 12:10 AM #3
Re: I wish my sidekick wouldn't go on holiday!
Ok sorry, I know that was a " naff" reply.........
I couldnt resist it.................
Now what was the question again ????
By the way, thx a million for the info u sent...........Im chewing on it......Any opinions, statements and facts expressed in this message do not constitute legal advice in any shape or form and is given for a general outlook in nature. You are advised to seek appropriate and specific professional assistance from a regulated and authorised advisor for definitive advice.
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10-12-2004, 12:19 AM #4
Re: I wish my sidekick wouldn't go on holiday!
speaking of cheap gear.
i was chatting to a customer today, who is looking to start importing "Arneg" multi deck cabinets. obviously needs people to buy them. i will keep you posted as i know more.
cheers
eggs
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10-12-2004, 12:49 PM #5
Re: I wish my sidekick wouldn't go on holiday!
Originally Posted by eggs
Seriously though, I'm assuming that it is a small hermetic compressor here; drill a hole in the bottom of the compressor and allow the oil to drain out - dispose off thoughtfully. Also note how much oil came out so that you can compare with the original quantity.
To open the compressor I believe the best way is to use an angle grinder on the welded seam around the waistline of the compressor.
Usual cautions:- Oil contamination of yourself, setting fire to the oil when grinding, refrigerant remaining in oil will froth if can shaken.
Compressor motors are often just suspended on springs so if you turn it over the guts can fall out, generally on your foot.
Good luck grasshopper your training session.Brian - Newton Abbot, Devon, UK
Retired March 2015
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10-12-2004, 01:35 PM #6
Re: I wish my sidekick wouldn't go on holiday!
Hi Brian,
Compressor motors are often just suspended on springs
I have this habit of cutting open every compressor over 2hp that I change, you learn a lot of what went wrong when inspecting the remains.
Chemi
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10-12-2004, 08:16 PM #7
Re: I wish my sidekick wouldn't go on holiday!
Chem
Spill your secret ( if its not classified) how you open up the baby !!!
Ivbe never done it me self, but admire guys who do !!!
Eggs...........Youre a brave man to want to tryAny opinions, statements and facts expressed in this message do not constitute legal advice in any shape or form and is given for a general outlook in nature. You are advised to seek appropriate and specific professional assistance from a regulated and authorised advisor for definitive advice.
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10-12-2004, 08:34 PM #8
Re: I wish my sidekick wouldn't go on holiday!
OK Abe,
No big deal really.
As Brian said, get rid of the oil into a clean bucket so you can inspect it for metal particles.
It can be done by drilling a hole at the bottom or tip it on the side with the suction down wards.
Once you get the oil out, using the biggest angel grinding you can lay your hands on and cut it carefully just above the welding line.
When done, use the torch or pipe cutter to disconnect the discharge line.
Now it opens like an egg.
you can use the shell for a vase if you like but make sure to look inside and see the cause for the problem: broken piston, burned winding, acidic oil, broken shaft or broken balancing spring.
Tells you a lot about the way the system was working and maintained.
Maybe I will show you when I come over.
Chemi
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10-12-2004, 11:11 PM #9
Re: I wish my sidekick wouldn't go on holiday!
aiyub. i'm not brave, i just have to save face. you know,educate the spanner passers, while the spanner mans on his jolly's.
Why can't i just say "i don't know?"
with any luck another job will come along for tuesday afternoon and i can just pretend we don't have time.
cheers
eggs
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10-12-2004, 11:56 PM #10
Re: I wish my sidekick wouldn't go on holiday!
Originally Posted by eggs
Rog
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11-12-2004, 07:56 AM #11
Re: I wish my sidekick wouldn't go on holiday!
Yes Rog,
Nasty stuff acidic oil. Thats why its important to empty the oil before you cut it open.
Chemi
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11-12-2004, 11:12 AM #12
Re: I wish my sidekick wouldn't go on holiday!
Thanks for the tip.
will do it next time.
Chemi
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11-12-2004, 11:13 AM #13
Re: I wish my sidekick wouldn't go on holiday!
Originally Posted by chemi-cool
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