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3500 Series ANSI Grade 2 Knob Set

Installation Instructions

Meets ANSI 156.2

I-LS00767

For use on doors 1-3/8” to 1-3/4” (35 mm - 45 mm) thick

REV 2

Page 1 of 2

1. MARK DOOR

TOOLS REQUIRED FOR NEW INSTALLATION:
(1) Phillips Head Screwdriver
(1) 2-1/8” (54 mm) Hole Saw
(1) 1” (25.4 mm) Drill Bit
(1) Chisel
(1) Catch-Release Tool (Provided)
(1) Hex Wrench (Provided)

TOOLS REQUIRED FOR REPLACEMENT INSTALLATION:
(1) Phillips Head Screwdriver

FOR REMODELING OR NEW CONSTRUCTION:
-Follow all steps

FOR REPLACEMENT OF EXISTING LOCK:
-Follow steps 3C, 4C, 5 through 9 after removal of old lock

Measure center line of lock; height as 
desired from finished floor.  Select 
2-3/4” or optional 2-3/8” backset, 
fold and apply template to high side of 
bevel of door and mark center of door 
edge as indicated on template.  Mark 
center hole on door face through 
guide on template.

2. DRILL HOLES

Drill 2-1/8” (54 mm) hole through 
door face as marked for lockset.  (It is 
recommended that holes be drilled 
from both sides on wood doors to 
prevent splitting.)  Drill 1” (25.4 mm) 
hole in center of door edge for latch.

3. INSTALL LATCH

A.  Insert latch in hole keeping 
it parallel to face of door.  Mark 
outline of latch face plate and 
remove latch.

B.  Chisel 5/32” (4 mm) 
deep or until latch face 
plate is flush with door 
edge.

C.  Insert latch and 
tighten to the door 
using #8 screws.  
NOTE: Latchbolt bevel 
must face to closing 
direction.

4. INSTALL STRIKE

A. 

Close door until latchbolt 

touches jamb.  Locate strike in 
jamb and center line of strike.  
Open door and extend line to 
door stop.  Measure one half 
of door thickness plus 1/8” 
from door stop.  Vertically 
mark center line for strike.

B. 

Drill two (2) 1” (25.4 

mm) holes 3/4” (19 mm) 
deep in door jamb 5/16” (8 
mm) below horizontal 
center line.
CAUTION: To ensure proper 
lockset function, hole in 
jamb must be drilled a full 
3/4” (19 mm) deep.

C.  Cut out jamb 
mortise for strike 
3/32” (2.4 mm) 
deep or until strike 
is flush with jamb.  
Tighten to the frame 
using #12 screws.

KEY

OUTSIDE KNOB

OUTSIDE ROSE

ASA STRIKE

LATCH

MOUNTING SCREWS

INSIDE ROSE

INSIDE KNOB

PUSH BUTTON

LOCK BODY ASSEMBLY

INSIDE MOUNTING PLATE

(Illustration: Entrance Function)

MARK FOR 2-1/8” 

(54 mm) HOLE ON 

DOOR FACE

CENTER 

LINE

MARK FOR 
1” (25.4 mm) 
HOLE IN 
DOOR EDGE

2-1/8” (54 mm) 
HOLE

1” (25.4 mm) HOLE 

JAMB

CENTER 
LINE

5/16”

CL

5/16”

CL

LATCH

STRIKE

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