1. Door preparation (continued).
C.
E.
C.
As shown, chisel a hole in marked area, depth of 15mm.
D.
Line up dust box and strike with hole in door jamb.
E.
Use pencil to trace strike and mark holes.
F.
Drill two (2) 3mm pilot holes and use chisel to create strike mortice, 2mm deep.
G.
Position dust box and strike and screw into place.
8
m m
2 1
F.
G.
D.
12mm drill bit