P/N YRL-LKFTSINSTL-FUL Rev A
5
Preparing Door & Frame
Necessary for new doors or adjusting existing prep.
1" (25mm)
Deep
Inside
of Door
Frame
Frame
!
Drill holes 1/2 way
through door then
complete from other side
to prevent splitting.
2-1/8"
(54mm)
Dia.
2-3/8" (60mm)
or
2-3/4" (70mm)
Backset
1"
(25mm)
Dia.