1”
Measure Door Width
If the door is thinner than 1³⁄₈”
or thicker than 1³⁄₄”, then the
lock will not fit properly on the
door.
1
Measure for Backset
If existing backset is not 2³⁄₈”
or 2³⁄₄”, then the lock will not
fit properly on the door.
2
Measure Hole Sizes
If hole sizes are larger than those shown, then the lock will not fit
properly on the door.
If hole sizes are smaller than those shown, see steps 4 and 5.
3
Tools Needed
If Needed, Enlarge
Hole in Door
If hole in door is smaller
than 2¹⁄₈”, then use 2¹⁄₈”
hole saw to enlarge hole.
4
If Needed, Enlarge Hole in Door Edge
If hole in door edge is smaller than 1”, then use 1” drill bit to
enlarge hole.
5
1”
OR
6
Tape
Measure
1³⁄₈” to 1³⁄₄”
Tape
Measure
Drill Bits Needed:
¹⁄₈”, ⁷⁄₈”, 1”
2¹⁄₈” Hole Saw
Pencil Chisel
2³⁄₈” or 2³⁄₄”
Tape
Measure
Check Strike (Door Jamb) Preparation
a. Place new strike box and strike against door jamb.
b. If strike box and strike do not fit properly, use pencil to trace
around strike box and strike and mark hole positions.
c. If needed, use chisel and drill to correct door jamb
preparation.
a
c
2¹⁄₈”
2¹⁄₈” Hole Saw
b
1”
Tape
Measure
2¹⁄₈”
BE365 Door Preparation Instructions For Door With Existing Holes
© Allegion 2014
Printed in U.S.A.
BE365 DP existing holes Rev. 11/14-online
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