Remove the rubber sleeve from the neck of the die grinder Remove the 4 screws that hold the neck on set aside the plastic coupler & large washer While holding the neck in a vice, unscrew the collar nut Set aside the smaller washer & felt washer that were behind the collar nut Using the handle of the crescent wrench, unscrew the butterfly nut Set aside the butterfly nut Place new shaft in the neck. Place metal washer and felt washer into neck, then reinstall collar nut. Reinstall butterfly nut. Note the vice is holding the shaft Reinsert plastic coupler Place large washer in neck How it looks before reattaching the neck Reattach the neck with 4 screws, be careful to line up exhaust vents to the side Slide the rubber cover back onto the neck
