4
CL3500 Series
Installation Instructions
Cylindrical Lockset
FM237 03/19
Copyright © 2012, 2019, ASSA ABLOY Access and Egress Hardware Group, Inc. All rights reserved. Reproduction in whole
or in part without the express written permission of ASSA ABLOY Access and Egress Hardware Group, Inc. is prohibited.
For installation assistance contact Corbin Russwin
1-800-607-5703 • [email protected]
2
Door and Frame Preparation
a
Mark Door
Locate and mark horizontal center line at desired
height above floor. Fold template over edge of
door, centering on horizontal line. Mark centers
of holes at proper backset. Mark both sides of the
door.
Note
Be sure to verify backset before marking and
drilling door.
b
Drill Door
1. 2-1/8" (54mm) hole through door. Cut ANSI
tab notches as shown on template (except
CL3550 and CL3570).
2. Drill 1" (25mm) hole in edge of door. Cut
out for latch front 5/32" (4mm) deep. 1-1/8"
(29mm) wide x 2-1/4" (57mm) high. Check
latch unit for proper width front and square or
round corners (except CL3550 and CL3570).
3. Drill two (2) 11/32" (8mm) diameter holes
through door for all functions.
Caution
To avoid splintering wood doors, drill holes from
both sides.
c
Install Strike
Figure 2
Mark Door
Door
Template
1
2
3
Figure 3
Drill Door
Figure 4
Install Strike
Attaching Screws
#12-24 x 1"
#8-32 x 3/4"
Optional Strike
Box
Strikes
