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Motivated Noob
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68 Posts
Discussion Starter · #1 ·
I have two Makita HR4010C Rotary Hammer Drills that are used mostly in demolition. Both of the hammers have stopped hammering. They still drill but will not hammer.

Anybody had this problem before or know of a solution to get them to hammer again?
 

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Motivated Noob
Joined
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68 Posts
Discussion Starter · #3 ·
Did you regularly grease the bits? The grease helps cool the bit and lubricate.

Try and put a good bit if grease on the bit and insert it in. Then bang the but against something hard whilst it in the drill. Try this a few times and it may free it up then function normal again.

I messed up in my previous post, I hadn't actually seen the drills yet and asked the wrong question.

Apparently both of them drill, even when in hammer only mode. I did what you said and it didn't help with the problem.
 
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