20 Most Recent Makita HR3000C Electric Rotary Hammer Questions & Answers

But sometimes the armature can be fused in by melting coil part of the electric field you mean ? if the electric field is damaged by overheat some shortened windings then its become sometimes a disassemble problem . Makita HR3000C Rotary Hammer Parts

Have you replaced the brushes?

burnt out field windings or failed armature segments would be a good assumption here. Over heating from prolonged heavy load use or worn brushes causing the bars on the armature to burn and burn the wires.. Have an appliance electrician look at it but generally a replacement unit will be required.

That means you should get it serviced

A gear in the gear case is busted... ( the teeth on it are gone ) I suggest you get it fixed before those missing teeth wander in between other gears and do even more damage

If its a variable speed switch and only running when fully depressed, its in the switch

The big control levers off, but the small one only comes off once you have removed the screw and have it in the down position.

If the smoke came from the main housing it sounds like the motor, take it to a service agent. It's a good machine.

It could be the brushes, see if the are stuck in the brush holders, they might be worn out also. Some of them have cutouts on them.

go to makitausa.com and you can download a parts schematic there, let me k now if you need more assistance.