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Introduction |
| ***++Before You Start++*** | | | ***It is very important to ensure the electrical connection are correctly replaced so the drill works properly upon reinstallation.*** | | | ***If a cellphone with a camera is accessible to you, it may help to take more close-up pictures of the drill before disassembly***. | | | ***++Identify the problem:++*** | | | Motor brushes are small blocks of carbon that are crucial to the operation of a brushed motor like the one in the Ryobi D620H. They transfer the electrical current from the power source to the motor itself. If they are cracked, flaking, split, low, or not in contact with the motor the drill will not run. | | | ***++Safety:++*** | | | For your safety places make sure that the Ryobi D620H Hammer Drill is not connected to any power sources before repairs. |
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