The Makita Jack Hammer model HM1203C is a 20-pound demolition hammer.
alex @alex27624
Rep: 1
Posted: Jun 18, 2024
why is it not hammering
Is this a good question?
Kyle Kraxberger @kylekraxberger
Posted: Feb 23, 2025
I have this issue. When I took it apart I found a small hole in the piston. This means the it couldn't throw the striker hard enough deadening the blow. I haven't replaced the piston yet but pretty sure that is the issue.
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