Fridge Compressor Fun The Opening!

[ramiretz]

can you tell me how much pressure can those compressors handle without getting overloaded ????

[Aussie50]

@ramiretz I'm not sure on the peak pressure but I would guess it would be happy at around 200psi? may not restart without a hard-start kit tho.

[ramiretz]

@Aussie50 wow 200psi... thats great

i bought an super silent compressor and its set to 87psi from factory... i set it up to 116psi now but i was not sure how much those little compressor motors can handle so i stopped with 116psi ....

i read on a page from a fridge company that they work in normal home fridges with 116-130 psi

would be interressting to test out how much pressure they can handle...

maybe u can test it in a video ????

thank you for your answer

[Aussie50]

@ramiretz R134a compressors are a bit low on pressure but if you can use a R22 compressor, they are rated much higher!, so 200psi would be effortless for it.

but yeh, head pressure in 134a systems is around 130psi, so start there and see how it behaves.

[ramiretz]

@Aussie50 thank you for the info...

i have set it now to 130psi and it works fine ;)

if u have time u can watch on my profile a video wich i made from the compressor...

unfortunely i dont have any info about the compressor motor itself

[scruff1014]

so i want to take one of these and make a air compressor and i was wondering if self lubricated or would i have to lube it from the intake like an ac compressor in a car

[TombstoneTrevor]

Great vid, thanks for sharing this!

[MrStan187]

I believe you can make a small engine out of the compressor parts ;)

[rcnuty]

are theses self lubricated or do you have to lube it from the intake

[DonaldDuck400]

This is a Danfoss!

[unisailor]

Many thanks!

[iJustier]

82,000 viewer :D

[Rinconmaniac]

$3.00 a kilo, for # 1 copper ? In Canada they pay $3.00 a pound = About $8.00 a kilo

[260830107]

can a fridge pump be used to pump water?

[Aussie50]

@260830107 no, its all cast iron and it will rust up as soon as its stopped for a amount of time, like overnight.

likewise it would have to be externally driven since water and electric motors is a bad idea.

[MJD595]

Hi, Ed. Your videos have been useful to me. I burned up my mini hermetic air compressor on overnight. It was so quiet I did not hear it. I'm cutting the top off to see if I can repair it. The run winding is open (common terminal to run) and the start winding is good (start terminal to common) The There is no continuity between the start and run terminals. Open overload device? Why ask? Well I'm sawing by hand and ready to give up. Thanks,Ed. Keep the videos coming!

[Aussie50]

@MJD595 the overload devices usually reset once the compressor cools down. I would say your run winding has burnt out and gone open. probably not worth opening it unless you can get it re-wound.

[destructionrocks]

how much HP does the average fridge compressor motor have?

[Aussie50]

@destructionrocks 1/8 to 1/4Hp on average

[glasstronic]

Well done. Thanks for posting!

[jonr5000]

Great video, thanks.

[nyko461]

Very well explained video about refrigerator compressor.

Good job and thanks

[horncomposer]

wow thanks for the video! i've seen schematics but never actually seen really what's inside. pretty neat lubrication system too.....cool to see it working. thanks!

[qualitatserzeugnis]

finally I found out somebody how really explain us with great details and furthermore open the mysterius black case and make some very didactic experiements!!! really thank you!! I have a question: Is there any real technical reason to weld the compressor housing or is it just a way for the manufacture to force users to replace all unit?.

[Aussie50]

@qualitatserzeugnis Its for a few reasons, cost, reliability and safety.

the housing has to hold pressurized gas for years on end, so the best way to prevent leaks is to weld the entire assembly, as opposed to bolting the housing together with gaskets.

and due to the few amount of parts needed with a welded shell, its a lot cheaper to weld them up, as opposed to the semi-hermetic compressors which are bolted together, and much heavier (Industrial applications use them)

[juanoporras]

hello sir, I really enjoy your videos I really like the way you explain the principles and all that, keep up the good work.

[Mr3wheeledbike]

is there a great place to get them

[Mr3wheeledbike]

is it possible to make an air compressed out of this

[DragonFlyback256]

@Mr3wheeledbike

They are good for hobby air compressors.

[mrcrtking]

I used a hack saw to get one open, too bloddy forever to cut the darn top off, gave me a real workout thou.

[osamasouri]

i dunnu maybe when the refigerator gas be compressed should transform the air to cold air..

[4iwilllive]

do a video about an electric weed wacker

[martinexex]

Very good video , I always wanted to open an hermetic compressor!

[kerrsydotes]

great informative video.

[eyechubcunt]

£5.52 a Kg.for bright wire the other week in the UK. They would take em as elecky motors here.

[4iwilllive]

post a video about an mri

[Aussie50]

@4iwilllive as in a MRI scanner?. I have never seen one available as scrap or used!.

[UBERKron]

coppers 9.50 a kg here in nz

[Aussie50]

@UBERKron today I get $5 a KG, but thats them buying off me as a individual.

is $9.50 what they pay you as a customer, or what they sell for?

[UBERKron]

@Aussie50 i get 9.50a kg. 955 as of yesterday

[julienmauricemort]

one of my school's water fountain makes a loud smack sound when it turns off

is the compressor hitting the side?

[Aussie50]

@julienmauricemort yeha I'd say its too close to the casing.

[maxhero1985]

@Aussie50 i've got 2 fridges ... 1 take alot amps (can notice from the lights ) and make small noise and still not cooling (use to cool few days ago tho) so what should i check ...

other one work normaly ... the compressor sound kinda loud but still no cooling

could it be gas fly out the pipes?

[zaprodk]

Very clever lubrication technique!

[petersmellslikeshit]

and how do u get the copper out of the motor

[Aussie50]

@petersmellslikeshit cut one end of the stator off and pull the rest out. some are set in varnish and need both ends cut off and the cores punched out of the stator.

[stdavross666]

Thanks for the video always wondered what was inside a compressor. Can you tell me is that the oil that will get sucked into the refrigeratant if you lay the fridge down? or is that an old wivees tale?

[Aussie50]

@stdavross666 oil normally cycles with the refrigerant during normal operation. laying the fridge down can cause it to go out the suction line, but after standing for 30 min or so it will drain back down.

just let it stand for a little while, then run it for a few seconds, turn it off and wait 15 mins before running it normally.

[Aussie50]

@aidan456456 thats why I'm the satanic-mechanic :D

[frendo21]

i hear birds, is this heaven?

[Aussie50]

@frendo21The workshop is my little spot of heaven :D

[castirondude]

why does the compressor need to be destroyed? because of the association with CFC gases?

When you think about it all these environmental regulations only promote big billion dollar syndicates. The EPA isn't regulated by any antitrust laws so they can put all the competition out of business for you. Then you can name your own price. Make crappy products and forbid people to fix them. All in name of the environment.

[Aussie50]

@castirondude Its a tax write-off thing, new stock gets shipped in by the container load, they go through stock take and re-stocking, the oldest stock goes in the bin and the company writes it off.

it is a disgusting waste IMO, but I can't stop it, if I tried to sell these new compressors, I would be in Major Trouble!

[DragonFlyback256]

@castirondude

"When you think about it all these environmental regulations only promote big billion dollar syndicates. The EPA isn't regulated by any antitrust laws so they can put all the competition out of business for you. Then you can name your own price. Make crappy products and forbid people to fix them. All in name of the environment."

Couldn't say it better, just the same thoughts of me. This is a nasty game.

[sparky0506]

Thats very interesting, Ive always wondered how a fridge compressor works, I have a wine fridge and I think the compressor is cactus is it possible to replace the compressor and is it financially viable?

[Aussie50]

@sparky0506 depends how expensive the fridge is to begin with, its usually not worth it for small fridges.

[gmtrg1]

Aussie50, can you send me the design of the base you constructed for the disassembly.

[cheetawolf]

you should run one totally out of the case like at 2:24 and burn it up.

[rolibiker]

Hy can u tell me why is there oil inside ?

[Aussie50]

@rolibiker the oil is simply a lubricant for the pump bearings and piston. same as in a car engine.

[mksboysal]

@Aussie50, I used one of these compressors and turned into air pump that powers my finish carpentry nail guns. It works real well as a low volume air compressor.

One of the best advantage is that super quite running air compressor.

[isethaitchison]

i ripped apart a small air conditioning unit and it had one of these compressor units. i cut one of the pipes and it started to hiss. is that normal? this compressor ran 2 radiators.

[Aussie50]

@isethaitchison yeah hissing is high pressure gas coming out (illegal) usually CFC in those old ones.

the radiators are called the evaporator coil (indoor side) and Condenser coil (outdoor side)

[garotinhogostoso]

Hi there, Ed, mate!

Very interesting stuff, bloke! Listen up, I've got a 2.9-gal airbrush compressor which works with one of these fridge compressor heads (?). Thing is the compressor seems not to work any more after long periods of inactivity; this is, the compressor is not used. This is the second time the compressor doesn't start, so I wanted to ask ya why this happens and if there's anythin' to do to avoid this happening again once the head (?) is changed by a technician.

Cheers, mate!

[Aussie50]

@garotinhogostoso when you say it hasn't been used in a while I assume you mean stored for some time?

I have a commercial airbrush comp that uses a refridgeration style compressor and it has rusted out in the discharge chamber and ruined the valves. maybe that is what is happening to yours?

I'm not sure on how to stop it tho, once the water is trapped it won't come out unless you remove the top of the discharge chamber and let it evaporate.

[garotinhogostoso]

@Aussie50 Yeh; the compressor stays inside a closet, unused, for about 6 months or so. When plugged to the wall socket outlet, it just won't start. There's a light which kinda witnesses the compressor is on, but then after 10 seconds I can hear sort of the sound of a short gust of air before the current is cut, and the light is off.

D'ya think I could be able to remove the top of the discharge chamber for myself or I'd better take it to some specialised personnel?

Thanks, Ed, mate!

[Aussie50]

@garotinhogostoso if the compressor is working enough to make a short blast of air come out somwhere it may be a sticky valve on the tank/regulator assembly.

try disconnecting the compressor discharge line from the regulator/tank and run it for a while.

that may tell you if its a stuck/blocked line.

[theclockman1]

are regular home refridgerators full of POE oil?

[Aussie50]

@theclockman1 the newer ones do, any R134a or 410a comps do.

[shanemm1]

is this a scroll compressor?

[Aussie50]

@shanemm1 nope, this is the oldest style of domestic fridge compressor, its a Piston (reciprocating) type!

[craigr13666]

Sorry I meant oil, (it was like 2a.m.)do you think the piston ring's shot I've had this thing for 12 years its just been a recent occurance. I've always used synthetic oil like they recommended. Or maybe the valve's wore I don't find any cracks in the output lines

[craigr13666]

do you have any idea why they would start sucking air? I have a high dollar silent air compressor that runs that kind of compressor all i got from the manufacturer was a parts manual with no pictures.

[Aussie50]

@craigr13666 Not sure what you mean by "start sucking air" since thats what compressors do naturally, if you meant it stopped sucking air, then it could be a number of things.

if the motor is running, but it is not pumping it could either be excessive bore wear, broken con-rod, or broken reed valves. all or which make the compressor a write-off :(

[fredlezonard]

i've been using one for years to inflate tires of old trucks(it works good enough for me)/but i have to build a new one.

[fredlezonard]

how to make an air pump for tires from these old fridge air conditionner compressors.could you explain if you have time.

[ChevyToughRebel]

that was pretty cool, I always wondered what was inside one of those.

[risjnet]

thanks for upload this!

[DragonFlyback256]

Oil shower anyone? hehe. xD

[TheLaurencekid]

thanks for telling me aussie50

[TheLaurencekid]

i have finished cuting a kirby it is as stiff as hell is it ment to be like that ?

[Aussie50]

if the crankshaft is stiff it means it suffered bearing failure, prolly from oil loss through the lines.

normally they are supposed to be smooth and free turning.

[rickster348]

That was really cool! Thanks for the video!

[xXINSANELOSERXx]

holy crap thats cool i have a really old (like 30 yrs old) freezer that has cooling racks with freon in them and one broke like 3 weeks ago but its still running the case on the outside is really hot but and when you get your finger wet and touch the compresor you can hear it sizzle (thats probaly bad) but i got a mew one but i dont get why it hasent seezed up yet ????????? but its been working hard.

[Pujc]

Open up open upp! Yeah there are , i can see inside ! THX your video are well good , and informative too THX!

[HDXFH]

shame they'd deem them obsolete for no particular reason, maybe they have newer models that are more environmentally friendly (cheaper to build and use less current)

[Aussie50]

there are numerous reasons why manufacturers scrap compressor stock, mainly to do with oil shelf life, warranty and gas compatibility.

Danfoss is aready discontinuing R22 systems in favor of R410a

The only part of a packaged compressor I can't recycle is the Styrofoam insert, capacitor and starting relay.

[windoes98se]

they probly just want peoples mony , and theoryeticaly oil  should never go bad, i have herd that if you let gasoline sit for a verry long time it gos bad

[ChevyToughRebel]

Gasoline does go bad when it sits for a long time, and it smells even worse when its old

[Nogls]

Your work table looks cool, can you show more of it ?

[Aussie50]

I had a vid made up ages ago but didn't upload it because I thought it was a bit boring.

I'll see if I still have it

[m3sca1]

cool man-now i know how they work ......