#Milwaukee hammer drill stopped working install

To remove the gear on a shaft, pull the shaft out of the case. Inspect all gears for broken or missing teeth or any other damage, such as chips in the teeth.ĭepending on your model, your gear may be an all-in-one unit on a small shaft or it can be removed from the shaft. To replace a worn or broken gear, remove the screws securing the gear housing cover to the front of the drill. Some models house the gears in the front, inside of a gear housing. Attach the handle.Ī broken or stripped gear will not be able to transfer power to the chuck. Tighten the chuck hand tight with the allen wrench, then remove the wrench. Insert an allen wrench into the chuck and tighten the chuck down. Thread the drill chuck back on the hammer drill hand tight. Ensure to reapply the tension to the brushes before installing the rear cover. Place the motor and gear case assembly into the drill case and reassemble it back together.

#Milwaukee hammer drill stopped working install

Install the gear selector onto the new gear case and assemble the gear case to the motor. Pull the gear case away from the motor and remove the gear selector. With the case open, pull the motor and gear case assembly out of the drill case. On some models, you will be required to separate the gear case assembly from the front of the hammer drill. Separate the two halves of the drill by removing the screws. Remove the rear cover and take off the tension of the brushes by moving the springs to the side. Insert an allen wrench into the chuck and snug the chuck on to the allen wrench then hit it the wrench with a hammer to loosen the chuck on the spindle. Remove the handle and then the chuck by inserting the proper screwdriver into the chuck to take out the chuck screws at the bottom (it is reverse thread). To replace a gear case, you will have to take apart the drill case – this will vary on models as they are slightly different. Any of these symptoms requires the gear case to be replaced. It is also usually accompanied by a grinding sound if the clutch slips or the hammer function stops working. Symptoms of a worn gear case is when the motor spins and the chuck does not. The gear case consists of the transmission and the clutch.