Question about Bosch Brute Breaker Hammer 11304
Bosch brute is made to work all day every day and will continue to do so if it is not over or under powered and properly lubed. If not powered correctly, motor will not turn at full rpm, get very hot and burn brushes to point that auto stop feature will stop motor (brush will push away from armature, or burn switch). The hammer will overheat if too long or wrong gauge of cord is used. Also if run on generator with voltage /cycles incorrect. Under normal use, motor will not get very hot. Another problem with overheating is that the grease will melt out of range to do any proper lubrication. If you are sure that it is getting proper voltage /amps then may need lubrication or bearing work. Remove bearing cover and turn armature by hand. It should be easy to turn. If stiff, suspect bearing/grease. With amp meter connected, check amp draw and compare to rated amps.
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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