C rotate tension lever to the right counter clockwise and insert tension pin in hole to the left.
Bommer hinge adjustment.
4 detail d tension adjustment up for all hinges on the left hand door 3 max.
Recomended a a detail c scale 1.
B insert tension lever in left hand hole in the adjustment slot.
The bommer brand has been the original standard of excellence since 1876 and we produce only american made hinges using american made steel.
This is an adjustable spring tension pivot hinge.
Bommer offers a complete line of architectural grade butt hinges continuous aluminum geared hinges our industry leading line of single acting spring hinges the world renowned double acting spring hinges.
4 tension adjustment down for all hinges on the right hand door scale 1.
Install hinge in normal manner with tension adjustment up as shown.
Specifications brass material adjustable spring tension max door size width 36 thickness 2 1 2 up to 75 lbs.
Bommer 7312 double action spring hinge adjustment pivot hinge 36 wide door.