DUMMY
MORTISE LOCKSET
SINGLE
DM 171
SECTIONAL
(Through bolts)
A
B
DM171S -TB -INS - EN-FR - 2015/03
Installation instructions
OUTSIDE
Door preparation
1. Draw backset vertical line and lever/knob centerline on door.
2. Apply installation template on door, align backset vertical lines and
lever/knob centerlines.
3. Drill required holes as per supplied template.
INSIDE
Left hand outswing door installation shown
(Right hand outswing is opposite)
Finishing washers
Oval head machine screws
8-32 UNC
Bushing
Long spindle side
Lever / Knob
(outside)
INSTALLATION
INSTRUCTIONS
1. Insert bushing into outside lever/knob assembly.
2. Place spindle fixing assembly on outside lever assembly, ensure side with long spindle is facing towards lever/knob.
2. Position outside lever assembly in post holes on door (ensure lever handle is in horizontal position).
4. Using two posts of outside lever/knob as a guide, slide spindle fixing assembly on outside door.
5. Attach outside lever/knob assembly to door using the machine screws and the finishing washers.
Backset vertical line
Horizontal line
Round or square rose
Spindle fixing assembly
Installation
template
Door edge
Fold line
Backset vertical line
C
L
Lever / knob
Horizontal line
2 3/4"
(70mm)
Cut-off post tip
for 1 3/4” thick door
