The electric hammer has an abnormal sound and does not rotate or rotate very slowly
billyliu
| Posted in General Discussion on
My electric hammer after receiving electricity produces abnormal cry and turn slowly, I want to know is why?
I’ve been using the electric hammer for a long time. I don’t want to throw it away. Can I fix it
Replies
1. Burnt switch contact.
2. The mechanical part is stuck or the dynamic part is rubbed together.
3. The drill bit bit or touches the steel bar.
4, special nut loose.
5. A small amount of short circuit or open circuit in the armature.
6. Chips get stuck when drilling deep holes.
7. Low power supply.
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