How-To Blogs & Videos

One of the most frequent questions we hear at Master Tool Repair is: "What pressure should my air compressor be set at?" It's a great question, and the answer isn't a simple one-size-fits-all number. The ideal pressure for your air compressor depends entirely on the tools you're using and the task at hand. Setting it correctly is crucial for tool performance, safety, and even the longevity of your compressor and its parts. Understanding the Basics: PSI and CFM Before we dive into specific pressu …

If your air compressor is producing hot, moisture-heavy air, you could be putting your tools and equipment at risk. That’s where an aftercooler comes in handy; a simple upgrade that makes a big difference in performance and air quality. What Does an Aftercooler Do? An aftercooler is a type of heat exchanger that cools down the compressed air coming out of the pump before it reaches your tank or tools. By lowering the temperature, it reduces the amount of moisture and condensation in the ai …

If your air compressor isn’t holding pressure like it used to, a worn-out compression ring might be the culprit. Also called a piston ring, cylinder ring, or o-ring (depending on the design), this small but mighty component plays a big role in maintaining your compressor’s performance. Here's what you need to know. What Does a Compression Ring Do? The compression ring sits around the piston inside the pump cylinder. As the piston moves, the ring forms a tight seal against the cylinde …

Looking for an air compressor that delivers powerful performance without rattling your entire workspace? Meet the California Air Tools 60065C—a 6.5 HP, ultra-quiet, oil-free air compressor that delivers serious airflow with surprisingly little noise. Whether you're managing a body shop, manufacturing facility, or a high-demand home garage setup, this 60-gallon powerhouse brings efficiency, reliability, and quiet operation together in one durable package. Key Features: Ultra-Quiet at 85 dB …

Installing a motor or engine pulley may seem simple, but getting it right—especially when it includes a bushing—is essential for your air compressor's long-term performance, safety, and smooth operation. Whether replacing a worn pulley or installing one for the first time, here's a step-by-step guide to help you do it properly. 1. Clean the Components Thoroughly Before installing anything, ensure that the shaft, bushing bore, and pulley hub are clean and free of: Dirt or debris Grea …