This quick electrical check for compressors that fail to start does not cover those compressors that operate with capacitors. If you are checking a compressor…

Compressors become inoperative through either a mechanical or an electrical failure. Before beginning a compressor test, check the power supply to see if low voltage…

Remove the valve stem caps and gauge connection caps from compressor discharge, and suction valves, and connect your gauges to the valves(compound gage to the…

There are generally four types of compressors in use today: reciprocating, rotary, centrifugal, and the screw type. Some of these compressors, used commercially, could be…

Do not attempt to bend tubing by hand or around a pipe or pole. Unless the tubing is supported around its circumference, it will flatten…

1. Cut and clean the ends of the tubes as described earlier. Use a fine-toothed file to smooth the ends or to make a slight…

It is easy to take brazed joints apart using the same method by which they were joined. Heat the joint with a torch until it…

Silver brazing: Brazed joints are very strong and considered to be the best method of making leakproof connections. The correct procedure is as follows: CAUTION:…

In automatic-defrost freezers and refrigerators (and in larger-capacity units) that require a more rapid cooling of the condenser, additional air movement through the condenser is…

In frost-free refrigerators and freezers, a fan is installed over the evaporator to move air through the evaporator and circulate it in the freezer and…