Switch is defective Remove the second spring in the same way. Put the brush holder in the middle position and remove it I disassemble the cartridge Impact bolt end riveted I take out the stator Extracting contacts I unscrew the two screws securing the anchor And I take it off Rear bearing noisy, front bearing in good condition Remove the mode switch Part of the switch is broken For disassembly, it is necessary to remove the retaining ring located inside Chamfering the impact bolt And straighten his butt Ready Removing the rear rotor bearing and install a new one I measure the resistance of the stator windings. The values are the same, most likely the stator is working Despite melted plastic I remove the influx of plastic so that they do not interfere with the installation of the rotor Ready Part broken off I decided to additionally fix the bearing with glue I start to assemble, I apply new grease to all parts Changing the o-ring on the striker I compress the spring in a vise to put on the retaining ring I check that the retaining ring is firmly seated in the groove I lubricate the rubber boot so that it sits easier in its seat All modes are switchable, the punch works well