When the two ohmmeter probes touch any two compressor terminals, the meter should register an ohm reading. Otherwise, the compressor is defective and it must…

1. Disconnect the power supply. 2. Remove the compartment cover, compressor terminal cover, start relay, and the wire connecting the overload protector to the common…

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:…