Notes

How exactly to Replace a Refrigerator Compressor
When the compressor becomes faulty, your fridge cannot operate correctly, and you also run the risk of experiencing to throw food away.

So, if your refrigerator compressor has divided, it will need to be replaced. However, before you replace the compressor, you should weigh the price of replacing it with purchasing a new refrigerator. Investing in a new refrigerator might be a better choice.

Replacing a compressor is a very difficult repair to make and involves welding. You need to only attempt this repair if you are experienced and/or a professional technician. It is also an extremely dangerous repair to handle, as it involves dealing with highly flammable gasses.

Here`s a step-by-step guide for how exactly to replace the compressor.

Step One. Take away the Old Compressor
The first step would be to take away the old compressor. To achieve that:

Turn the power off to the refrigerator and pull the plug out.
Remove all of the contents of your fridge. Since replacing a compressor can take a long time, it will be best to place your food into coolers.
Pull the fridge out from the wall to help you access the back of it.
Take away the back panel of the fridge. To remove the panel, you merely need to unthread the screws that hold it in place, also it should come off. Once removed, place it taken care of.
Locate the compressor. It is behind the fridge on underneath of it.
Disconnect the power cable, and take away the cover that protects the electrical components.
Remove the relay, the capacitor, and the overload protector.
Release the refrigerant by attaching a perforating valve onto the process tube and then releasing it. Make sure you have adequate ventilation.
Once released, you must connect a nitrogen cylinder onto the manifold and inject the gas at a pressure of 50 PSI.
Remove the manifold valve.
Sand the compressor tubes in the areas which have been soldered so they are abrasive.
Slice the discharge and suction tubes (leave about 20-30 mm from the finish of the process tube).
Remove the compressor.
Remove the filter. You need to use a soldering torch (use a neutral flame).
If the compressor motor burned out, you need to clean the tubes. That is done by welding on a tube connector to the suction line and charging a cylinder with about 500 ml of solvent. You then attach the cylinder to the suction line and attach the finish of the cylinder to the solvent cylinder. Put the tip of the capillary into a container to receive the used solvent. You can inject the solvent through the system. After that, you will need to give the system a nitrogen charge to drive out any residual solvent.
repair refrigerator compressor . Install the brand new Compressor
Given that you have removed the old compressor, the next step is to install the new one. To do that:


Attach the new filter (be sure you have the correct one). You first need to solder a Schrader valve onto the excess connection (make sure you take the cap off before welding). Next, connect and weld the filter onto the condenser outlet. After that you can attach the filter to the capillary tube and weld it on.
Place the brand new compressor into the correct position.
Connect all of the tubes around it, and weld them on.
You should then execute a leak test by injecting nitrogen into them and utilizing a sniffer tool. In the event that you don`t have a sniffer tool, it is possible to place soapy water onto them and appearance out for just about any bubbles that appear, as this indicates there is a leak. Once tested, release the nitrogen.
Work with a vacuum pump to eliminate air from the compressor.
Install the capacitor to the relay, accompanied by the overload protector, and attach the relay to the compressor`s terminal.
Connect the cooling system wires to the relay and the overload protector terminals.
You can now put the electrical components cover back on.
Fill the compressor with refrigerant (make sure you have the right volume).
Double-check that all of the wires and tubes are correctly positioned, and when so, your brand-new compressor should now be successfully installed.
Step Three. Test That It Works
The final step is to test that your new compressor works. You can do that simply by turning your refrigerator back on and testing to see if it is working. If not, you will need to contact a technician to take a look at it.

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