Installation Guide - UL Mortise Thumb by Lever/ Knob
1. Install Mortise Lock 3. Install Key Cylinder
Face plate can be
adjusted for door
bevel up to 3-1/2 deg.
2. Mount Inside and Outside Trim to Door
Outside
Inside
For bottom
grip assembly.
Install key cylinder by
threading it clockwise
on to trim plate.
See template for door
prep specications.
4. Tighten Key Cylinder
After key cylinder is installed, secure
cylinder by tightening screw with 9/64 hex
wrench (provided).
!
TIGHTEN
SCREW
CLOSEST TO
OUTSIDE EDGE
OF DOOR.
DO NOT OVER
TIGHTEN.
Outside edge
of door.
1. Install Security Plate
Fasten security strike to door jamb
with #10 x 3 wood screws (provided).
Dust box slips into
security strike.
Trims and grips will vary
depending on style.
5. Install Trim Plate
Outside
6. Tighten Inside Lever or Knob
2. Install Dust Box 3. Install Strike Plate
Inside
Tighten lever
with 3/32
hex wrench
(provided).
See template for door
jamb prep specications.
#12-24 self
taping screws
(provided).
IN4-ULMORTHBLVKB REV. 03-15-2013