A Guide on When to Fix or Replace an Air Compressor ... although the most common are worn piston rings, poor or restricted air ventilation and loose bolts within the oil system. Replace an Auto AC Compressor How to replace an auto ac compressor. Make sure the piston is at the top of the cylinder. It has the task of pumping a refrigerant gas, which is typically freon. Piston-type portable air compressors feature a gauge near the compressor's motor, though this may vary on some models. All of these issues can be corrected through minor adjustments or the replacement of small components. Adjusting the regulator and watching the outlet gauge will tell you if the regulator is working. Hitachi air compressor piston replacementApp used of Google play store - car scannerPlease Comment, Share and subscribe if you like this content. There is a right way and a wrong way to install your new piston/cylinder kit for your oil free air compressor. Remove the head caution that the head plate doesn’t come apart. Get a Master Tool Repair WL211000SJPR Piston ring - Campbell Hausfeld Oil Free Pump Parts - The piston is an essential component in a compressor pump. Whether it’s an oil-free or oil-bath design, it creates compression on each stroke. Watch the tank air pressure gauge as it rises to be sure the motor shuts off at the correct PSI. It's easier than it sounds. We will explain what you need to consider if you are thinking about replacing your current air compressor. Or, remove the cover from the switch (unplug the compressor first) and locate the pressure switch part number. Replace the vent valve and run the compressor until the automatic shutoff turns the motor off. The compressor is a pump that attaches to the engine of a car. Consult your air compressor's instructions or owner's manual for more information about adding oil if the process isn't clear. Remove the old ring and replace with new. I found a complete four-port pressure switch assembly replacement for this compressor for $20 (at Amazon). The piston travels all the way to the top of the cylinder. Don't ruin your new piston ring and cylinder kit! We show you … Keep the piston inside the cylinder, and then angle the connecting rod slightly to get it into the crankcase and onto the lower end rod bearing sticking out of the crankshaft. Remove the four head bolts on top, and loosen the bottom nut on the air tube. Turn the turbine by hand this will pull your piston ring down and into place... happy airing. Contact the air compressor repair manufacturer to buy a new assembly. Some of the causes for an automotive air conditioner's compressor locking up are improper lubrication, low coolant levels, and low-quality or incorrect types of refrigerant. Slip the connecting rod through the top of the cylinder, and push the piston in. In an oil-free design, a Teflon-coated compression ring provides the seal between it and the cylinder sleeve, thereby creating compression; in an … Then do an Internet search for that part. You can replace an auto AC compressor yourself as long as you make sure you’ve added the correct amount of oil. Replacing your old compressor with a new one might seem a little daunting, but it is less complicated than it looks. Remove the oil cap and add oil to the specified mark, if required. If the AC compressor has failed on your vehicle and you want to replace it yourself, here are some tips from the pros.