2
B
Prepare the door.
a. Drill a 2
Z\,
" (54 mm) hole through the door.
b. Drill two
B\zn
" (8 mm) through-bolt holes.
Notice
When drilling through the door, drill from
both sides to avoid splintering wood.
Notches
B\zn
" through-bolt
holes
2
Z\,
" hole
1" hole
B\cx
"
mortise
L
Note: A drill guide is recommended to ensure straight and level
holes. If using the Falcon optional drill guide, make certain the
correct backset locators are even with the door edge.
Falcon optional
drill guide,
M204-198
Backset
locators
c. Drill 1" hole on door edge to intersect with 2
Z\,
" hole.
d. Using the latch faceplate as a guide, trace outline and
mortise the door edge so the latch will be flush with the
door.
L
If using
C\v
" projection latch additional preparation is required.
See "3/4 inch projection latch preparation" for details.
e. File two notches
B\cx
" (4 mm) x
B\cx
" (4 mm),
Z\,
" (3 mm) deep
on both sides of the door.
For wood door jambs:
• Close the door and mark the position for the hole in the
jamb using a strike locating tool or other pointed object.
• Open the door and drill a 1" (25 mm) hole, at least
C\v
"
(19 mm) deep, in the jamb.
Adjust for door thickness (if necessary)
For 1
C\v
" (45 mm) thick doors, skip to step 1.
If door is not 1
C\v
" (45 mm) thick, complete the following steps to
adjust for door thickness.
A
Remove outside trim retaining screw and slide the outside
trim from the chassis.
B
Place template against retractor housing to locate door
thickness mark.
FOLD HERE &
PLACE ON HIGH
TEMPLATE FOR
INSTALLING
T–SERIES LEVER
LOCKS
MARK CENTERLINE OF L
A TCH
FOR CORRECT DOOR
THICKNES
S.
HIGH EDGE
LATCH
MARK CENTER FOR
5/16"(8mm) HOLES
USING DRILL
FIXTURE
030736-000-50 IS
RECOM-
MENDED T
O
ENSURE
PR
OPER
ALIGNMENT
2 3/4"(70mm) BA
CKSET
MARK CENTER FOR
2 1/8"(54mm) HOLE
IMPORTAN
T:
CHECK LOCK FOR PR
OPER
BA
CKSET BEFORE DRILLING
1 3/4"
(45mm)
2"(51mm)
2 1/4"(57mm)
5/32"(4mm)
5/32"(4mm)
x1/8"(3mm) DEEP
2"(51mm) DR
2
1/
4"(57mm) DR
1
3/
4"(45mm) DR
DOOR CENTERING ADJUSTMENT
C
For doors greater than1
C\v
" (45 mm)
• Use hex wrench (included)
to rotate the flanged
nut counterclockwise.
FOLD HERE &
PLACE ON HIGH
TEMPLATE FOR
INSTALLING
T–SERIES LEVER
LOCKS
MARK CENTERLINE OF L
A TCH
FOR CORRECT DOOR
THICKNES
S.
HIGH EDGE
LATCH
MARK CENTER FOR
5/16"(8mm) HOLES
USING DRILL
FIXTURE
030736-000-50 IS
RECOM-
MENDED T
O
ENSURE
PR
OPER
ALIGNMENT
2 3/4"(70mm) BA
CKSET
MARK CENTER FOR
2 1/8"(54mm) HOLE
IMPORTAN
T:
CHECK LOCK FOR PR
OPER
BA
CKSET BEFORE DRILLING
1 3/4"
(45mm)
2"(51mm)
2 1/4"(57mm)
5/32"(4mm)
5/32"(4mm)
x1/8"(3mm) DEEP
2"(51mm) DR
2
1
/
4
"(57mm) DR
1
3
/
4
"(45mm) DR
DOOR CENTERING ADJUSTMENT
Outside
mounting
plate
Flanged
nut
Hex
wrench
•
Use the template to confirm
accurate adjustment.
Note: Three (3) full
turns =
Z\,
" (3 mm).
• Pinch the button mount
legs together and
move the button cap
to the desired position.
FOLD HERE &
PLACE ON HIGH
TEMPLATE FOR
INSTALLING
T–SERIES LEVER
LOCKS
MARK CENTERLINE OF L
A TCH
FOR CORRECT DOOR
THICKNES
S.
HIGH EDGE
LATCH
MARK CENTER FOR
5/16"(8mm) HOLES
USING DRILL
FIXTURE
030736-000-50 IS
RECOM-
MENDED T
O
ENSURE
PR
OPER
ALIGNMENT
2 3/4"(70mm) BA
CKSET
MARK CENTER FOR
2 1/8"(54mm) HOLE
IMPORTAN
T:
CHECK LOCK FOR PR
OPER
BA
CKSET BEFORE DRILLING
1 3/4"
(45mm)
2"(51mm)
2 1/4"(57mm)
5/32"(4mm)
5/32"(4mm)
x1/8"(3mm) DEEP
2"(51mm) DR
2
1/
4"(57mm) DR
1
3/
4"(45mm) DR
DOOR CENTERING ADJUSTMENT
Cap
Button
mount legs
2
Z\v
"
2"
1
C\v
"
For doors less than1
C\v
" (45 mm)
•
Use hex wrench (included) to remove the flanged nut.
• Remove the outside mounting plate.
• Place one spacer over the outside chassis spindle.
•
Reinstall outside mounting plate and flanged nut.
• Place the adjusting gauge against retractor housing and make
any necessary additional adjustments to the flanged nut for proper
door thickness.
• Install the second spacer with the inside mounting plate at step 3.
DOOR CENTERING
ADJUSTMENT GAGE
NT FALCON T-SERIES LEVER
LOCKS FOR DOORS LESS THAN
1 3/4 (45mm) THICK
NT FALCON LOCK
P/N 030793-001-70
PRINTED IN U.S.A.
1 3/4 (45mm)
1 1/4 (32mm)
1 1/2 (38mm)
Flanged
nut
Spacer
Outside
mounting plate
Outside
chassis spindle
DOOR CENTERING
ADJUSTMENT GAGE
NT FALCON T-SERIES LEVER
LOCKS FOR DOORS LESS THAN
1 3/4 (45mm) THICK
NT FALCON LOCK
P/N 030793-001-70
PRINTED IN U.S.A.
1 3/4 (45mm)
1 1/4 (32mm)
1 1/2 (38mm)
D
Slide the chassis on to the outside trim and secure the trim
retaining screw.
