PREPARATION
4. PREPARE DOOR JAMB AND INSTALL STRIKE PLATE
Mark outline for dust box (O) and then drill a hole 1-3/16 in. (30 mm) deep by 1-9/16 in (40 mm)
tall by 1 in. (25 mm) wide to allow for installation of dust box (O). Chisel a 5/32 in. (4 mm) deep
outline for the strike plate (L) on the door jamb. Install the dust box (O) and the reinforced strike
place (N) with the 3 in. (76 mm) wood screws (M). Install the strike place (L) with the
3/4 in. (19 mm) wood screws (K).
Door jamb hole dimension:
1-3/16 in. (30 mm)
1-9/16 in. (40 mm)
1 in. (25 mm)
Strike dimension:
5/32 in. (4 mm)
2-3/4 in (70 mm)
1-1/8 in. (28 mm)
NOTE: The dust box (O) and reinforced strike plate (N) are optional. Install both for
maximum security.
N
08
O
M
L
K