Follow these steps to disassemble the drill and replace the planetary gear for the RIDGID R84015 X2 power drill.
Using a Torx T20 screwdriver, remove the four screws attaching the back plate.
Remove the five screws attaching the drill handle.
Remove the 4 screws attaching the front of the casing.
Unscrew the four screws at the rear of the plastic gear chamber.
Remove the motor from the drill.
Remove the four screws that attach the plastic gear chamber.
Remove the plastic gear chamber.
Remove each component from the gear assembly.