I chose that method over trying to wash all of them inside the machine.
I'll try and post pics. It was very time consuming and hard considering I mostly had to use one sex text chat sites while laying on the floor for anothfr bottom ones. I eventually removed those dover stud looking for another overflow pop offs and put a little threaded nipple with some plastic tubing to let the grease go away from the motor.
I had to take and remove the sleeves, washers and brush holder arms and wash all of them and put them back. Those grease overflow spring loaded pressure things don't work in my opinion.
ed: May Posts: My G3's are bad about grease coming out of the bearing carrier on the inside plate and getting up on the rigging and armature.