Real power tools save time in every drill, cut, grind, and even fastening activity on industrial sites and workshops, as well as, in maintenance departments. However, unlike the myths that surround power tools, they are also susceptible to failure - sometimes in the middle of an urgent task. The reality of the situation is that in 80% of cases, the failure of power tools lies in its handling, maintenance, or basic wear and tear, rather than poor manufacturing. It is critical for a technician to understand the primary reasons that lead to the failure of power tools along with their easy fixing techniques because understanding the root cause could very well be the difference between success and failure on-site.
The Most Common Killer — Carbon Brush Wear in Electric Tools
The culprit behind sudden power tool failure is worn out carbon brushes. Considering most electric power tools like drills, grinders and cutters use brushed motors,













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