How-To Blogs & Videos

It’s a universal frustration: You’re mid-project, the motor hums for a second, and then—click—the breaker trips. At Master Tool Repair, we know that a tripping breaker isn't just a nuisance; it’s your system’s way of screaming for help before a motor burnout occurs. Why Your Air Compressor is Tripping the Breaker When an air compressor draws more current (amperage) than the circuit is rated for, the breaker trips to prevent a fire. Here are the most common cul …

There’s no sound more frustrating in a workshop than the failed attempt of an air compressor to start. Instead of the satisfying roar of a motor kicking on, you get a hesitant hum, a lonely click, or, worst of all, silence. When this happens, your project stops, but the solution is often simpler (and cheaper) than buying a new unit. At Master Tool Repair, we know these symptoms are clues. Here is your definitive guide to diagnosing the three most common air compressor motor issues and gett …

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 compressors are essential tools, but when they start acting erratically – either short cycling (turning on and off frequently) or running continuously – it can be incredibly frustrating and costly. This improper pressure regulation not only hinders your work but can also indicate underlying issues that need immediate attention. Why Your Compressor Might Be Short Cycling Short cycling occurs when your air compressor turns on and off too frequently. This can lead to increased wear …

Welcome to our new "Part of the Week" series! This week, we're shining the spotlight on a crucial component of your air compressor: the check valve.What is a Check Valve? A check valve, also known as a one-way valve or non-return valve, is a small but mighty device that plays a big role in your air compressor's functionality. Essentially, it's a valve that allows airflow in one direction while preventing it from flowing in the opposite direction. Think of it as a gatekeeper for your compres …