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power hammer problem

i have a electrically operated power hammer.it works on fast and loose pully principle.shifting of driving belt is controlled by pedal.it is not in work for many years also its settings are changed.now it is not giving the same power to hammer. the leaf spring lifts the hammer head & it comes down by its own weight.it is not exerting much force on the workpiece.can you tell me what will be exact problem with it?

Reply to
the mecanikar
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Try posting to alt.blacksmithing, or as the Guru at

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The leaf spring is usually to automatically adjust the blow for the thickness of the work, protects the bearings and increases the power of the blow by storing energy. What brand. model. other info do you have on it? geoff

Reply to
Geoff M

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