Bommer 7801 Series Double Acting Floor Pivot Sets
Bommer 7801 Horizontal Spring Pivot with Floor Plate-Light Duty-Hold Open-Steel Trim-Primed for Painting
The example in this video is 7801-652.
There are more steps in instructions:
1. You have got to achieve a radius on the style of the door , is 1-1/2" RAD
You have to have a radius on the door because the access of pivoting of the pivot. If you radius you will be able to achieve a margin between the edges and the door.
2.Getting a 1-1/2" radius on the edge of the door is easy but you need tools to do it.
The instruction do not call out for putting a radius on the opposite style of the door which means the gap between the edge of the door and jamb have to be large.
The assembly that goes on the top of the door , 2 parts, frame portion, the one you will mortise to the frame. You will drill a hole to the door appropriate to this stud.
3.Shows how to cut the bottom of the door.
Bottom assembly :the spring tension is not adjustable, it can not be modified so it's important that you use this as in a guide line.
The other future of this is that is a hold open at approximately 85 degrease.
4. Instal to the bottom of the door
5. Shows how to get the entire door into the opening insert the top pivot into the top plate. So you have the frame portion installed, the door portion installed and then you going to make the two of them, then you swing the door in the place is showing on instructions.
Installation has to be plumbed.
Screws are included for everything.
6.Final, attaching the floor plates.