NGP 422N Instrucciones De Instalación

Mortise required
1" x 2 1/8"
15/16"
2"
WARNING: Do not pull drop bar out of case unless disengaged from spring or damage
will occur and void warranty.
7/8" Max Drop
1. Mortise bottom of door on center line for Model 422N, 522N: 1" wide x 2-1/8" deep, Model 423: 15/16" wide x
1-5/8" deep.
2. Cut door bottom to exact net width of door. DO NOT CUT UNTIL DROP BAR IS EXTENDED IN DOWN
POSITION. Insert the (2) nails provided into the small holes on the side of the drop bar to keep drop bar
extended while cutting. Do not cut from end with adjusting rod. MAXIMUM CUT- door bottoms 36" and longer
= 4", shorter than 36" should not be field cut - order net length.
3. Position door bottom in mortise with actuator rod toward hinge edge; mark screw holes.
4. Drill pilot holes for screws using 5/64" drill bit.
5. Install door bottom with adjusting rod at hinged side of door.
6. Set adjusting rod for proper seal. To reduce drop, turn adjusting rod right. To increase drop, turn adjusting rod
left. nce hinge end of drop bar makes solid contact, other end will drop. MAXIMUM drop Model 422N, 522N
= 7/8", Model 423 = 3/4".
7. Install end caps to ends of the door bottom, with screws provided.
National Guard Products Inc.
422N/423N/522N
Mortise
Automatic Door Bottom
Installation Instructions
1-800-647-7874