How-To Blogs & Videos

When your air compressor runs for what seems like no reason, or you hear a constant hiss, a tiny but vital part may be the culprit: the check valve. At Master Tool Repair, we've helped countless customers diagnose this common issue, and we're here to explain why this small component is so important. What is an Air Compressor Check Valve? The check valve is a one-way valve located on your air compressor's tank. Its primary job is to allow compressed air to flow from the pump into the tank, but pr …

Air hoses are the lifelines of many pneumatic tools, but they’re often overlooked until a leak or burst brings work to a halt. Proper storage and maintenance aren't just about saving money on replacements; they’re about ensuring efficiency, safety, and consistent performance. Let's dive into the best practices to keep your air hoses in top condition for years to come. Why Your Air Hose Deserves Attention Think of your air hose as a crucial, yet vulnerable, component. It’s const …

An air compressor is a vital piece of equipment for many workshops and industrial applications, but the air it compresses is often hot and moist. That's where an aftercooler comes in—a critical, yet often overlooked, component. An aftercooler is a heat exchanger that cools compressed air, causing moisture to condense and separate, which is then removed by a moisture separator or a drain. This process is essential for protecting your tools and equipment from rust and damage. What an Afterco …

When you hear "air compressor," you probably think of a loud machine in a garage, inflating tires or powering a nail gun. And you'd be right! Those are some of the most common uses. But what if we told you that the same technology that keeps your car running smoothly can also launch a rollercoaster, create a winter wonderland, or even save a life in a hospital? Air compressors are one of the most versatile tools you can own, and their power and utility go far beyond the workshop. They're a prime …

Your air compressor is a workhorse, but when it sputters or refuses to start, it can be frustrating. Often, the first thought is a major motor failure, but a common culprit is a much smaller, more affordable component: the electric motor capacitor. Knowing how to diagnose a capacitor failure can save you time and money, getting you back to work with a simple parts replacement. What is a Capacitor? An electric motor capacitor is a small but mighty component that provides the initial jolt of energ …