This leaves the stopper assembly.
How to install hinge pin door stop.
Place the door stop pin into the pin slot on the hinge and situate the hinge pin with a gently hammer action tapping lightly.
Slide the pin back through the door stop hole and the hinge.
Step 3 adjustments.
Insert the hinge pin into the hole in the stopper assembly from above so that the shank of the pin extends below the assembly.
The hinge pin door stop will be an alternative pin which will install in place of the original pin and have the door stop attached to it.
The hinge pin door stop will have an adjustable threaded screw that you can turn to widen or narrow the gap you wish to set.
Slide the pin back into the hinge.
The padded door bumpers will prevent damage to the door when the stop is used.
Note the direction that the hinge pin is facing the flat part is against the door the round part hits the molding.