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Bosch 11247 是一款有线电动电锤,专为在混凝土、石材和砖石上钻孔而设计。它提供双模式操作,每分钟可进行 400 次旋转和 3,000 次冲击。本页面提供了这款长 17-1/4 英寸、重 13.6 磅的钻机及其使用 10mm 柄径或 1/2 英寸普通钻头的更多信息和维修指南。

It won't hammer

It won't hammer. Bits & chucks are ok

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Hello @indymark

I am not familiar with the specific model but is it one that has a switch to turn the hammering on and off? If that's the case, the switch clicks in just fine? Some of these kinds of switches I came across are round and need to be turned, others are rectangular and need to be pushed back and forth. Once I had a similar problem on a drill, the lever that selects the torque, it looked like it was pushed in but it only traveled 90% of the way and didn't fully engage because of some dirt that got stuck in the path where it slides.

Worth a look, and maybe an air compressed blow if you have it! Before you start looking into more serious causes that is.

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