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Introduction Grease guns are essential tools in machinery maintenance, helping ensure smooth operation and extended equipment life. But like all tools, they can malfunction often at the worst times. Whether you're using a manual, pneumatic, or battery-powered grease gun, understanding and solving common problems can save time, money, and frustration. In this article, we’ll walk through some of the most frequent issues users encounter with grease guns and how to troubleshoot them effectivel …