3800 Series Mortise Lock - Sectional
Installation Instructions
I-LS00761
REV 3
Page 2 of 4
STEP 1: PREPARE DOOR AND JAMB (cont)
D.
Drill trim holes.
NOTE: To prevent splintering or damaging doors, drill through-holes halfway from each side of
door.
E.
Create a recess for the lock face. The standard recess is 1-1/4” x 8” x 7/32”.
F.
Install strike.
i.
Align centerline of strike template with the centerline marked on doorjamb. Be sure to
match centerline on both strike and lock trim templates.
ii.
Bore 1” diameter holes into doorjamb, 1-1/8” deep.
iii.
Create a recess 5/32” deep for installation of the strike and dust box.
NOTE: Additional recess is required when using strike reinforcement.
iv.
Using a Phillips screwdriver and two (2) strike mounting screws, install strike into
doorjamb.
1"(25mm) holes
1 1/8" (28mm) deep
Clear Out for Strike Box
L
C
1 7/8"(48mm)
CL
STEP 2: INSTALL LOCK CASE
A.
Change latch handing.
i.
Pull anti-friction tongue and latchbolt away from lock case.
ii.
Rotate latchbolt 180 degrees.
SKIP STEP “B” FOR THE FOLLOWING FUNCTIONS: 10, 17, 27, 57, 60, 62, 63, 64, 65, 66, 73, 75, 77, 80, 81, 82, 83.
LOCK HANDING SCREW IS NOT REQUIRED FOR THESE FUNCTIONS.
B.
Change lock handing screw.
i.
Remove lock handing screw from side of lock case.
ii.
Install lock handing screw on other side of lock case.
NOTE: The lock handing screw must always be on the inside of the door for proper operation of the lock.
C.
Install lock case.
i.
Install with the lock handing screw on the inside of the door and leave the mounting screws slightly loose to allow
for
adjustment.
Pull & Rotate
Lock Handing Screw
Lock Handing Screw
(6.0mm)
7/32"
