As with any used product, used refrigerators should be considered inspected before they are purchased, in order to prevent getting a cooler that may have a preexisting problem. Even though there is no way to know what the compressor looks like on the inside, there are some indicators to pay attentiveness to on the outside. This is to avoid spoiling the great price you may have gotten on the unit by spending a huge number on repairs.
There are three things that are the most foremost to seek when seeing at a used refrigeration unit. These are the evaporator, the cabinet, and the condenser.
Door Gasket Refrigerator
Evaporator Check
The evaporator is the box inside the refrigerator that contains a fan. All its parts should be secure and straight. Check the drainage by pouring water into the drain pan.
The fans should be running and not development any unusual noises. The blades should all look the same and be nick-free.
An evaporator qoute can also cause compressor failure. A exchange evaporator costs approximately as much as a new compressor.
Cabinet Check
Don't forget to check the cabinet. If it looks old and worn out, it's time to find an additional one unit. Be sure the door shuts tightly. Make sure the lights turn off when you close the doors. The gaskets should be checked to make sure they are not loose, split, or too dry. Be sure there aren't cracks. Problems with any of these things can lead to compressor failure later on.
Condenser Check
The condenser is the part on the outside of the refrigerator that has the compressor and fan on it. The compressor is black and has a large and a small tube arrival from it. With the refrigerator turned off, you should be able to slightly rock the compressor back and forth. If it doesn't rock, the shipping bolts were probably never loosened and the compressor will most likely be damaged.
Inspect the fan blades and the cowl colse to the fan for dirt. A unit that has been run constantly with a dirty condenser most likely has a damaged compressor. Check the condenser fins as well. Grease can cause damage by overheating and overworking the compressor.
If all things looks okay, you may have ruled out many potentially costly problems, although there is no guarantee. By inspecting the machine, you have greatly reduced your risk, but it is impossible to eliminate it all together. So stay diligent and be a smart consumer. Good luck buying a used refrigerator.
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