Question about Bosch 11247 Factory Reconditioned 1 - 9/16" Spline Drive Rotary Hammer

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Bosch 11247 Hammer drill works in drill mode but in hammer mode it spins as drill but does not hammer. Also how can I remove drive shaft from housing?

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Usually replacing the o-rings on the piston, striker and Impact bolt will solve any hammering issues. That is considering there is no damage to the mechanical parts in the hammer mechanism.

Posted on Apr 13, 2009

  • Corey McConnell
    Corey McConnell Apr 13, 2009

    Usually replacing the o-rings on the piston, striker and Impact bolt will solve any hammering issues. That is considering there is no damage to the mechanical parts in the hammer mechanism.

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hola le hace falta aceite a los engranes por eso no golpea puedes usar aceite para transmision

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