Master Lock BAO0115 User Manual

Instructions for installation of knob or lever locksets
Backset is the distance from the door edge to the center of the hole on the door face. Master Lock door locks are supplied
with an adjustable latch which can fit 2-3/8”
(60mm) or 2-3/4” (70mm) backset.
Follow steps below to change backset.
To convert to 2-3/4" backset
Backset
a. This latch is for 2-3/8" (60mm) backset.
b.Keep spindle cam in correct position as illustrated. Pull spindle cam all the way to the right.
c. Your latch is now set for 2-3/4" (70mm) backset.To reset 2-3/8" backset,push spindle all the way back to the left.
A
C
B
Mark door with template Drill holes
Measure one half of door thickness from doorstop
and mark for the vertical centerline of strike. Drill
1" hole, 1/2" deep at the intersection of the
horizontal and vertical centerlines.
Close door to mark horizontal
centerline of strike.
Insert latch in
hole, mark
outline of face
plate and
chisel 11/64"
(4mm) deep.
Insert latch and tighten screws.
Select 2-3/8" or 2-3/4" (60mm or 70mm)
backset as desired and mark center of hole
on door face.
Drill 2-1/8" (54mm) hole on door face from both sides
to avoid wood splitting.
Drill 1" (25.4mm) hole for latch.
Install latch
2
3
/ 8 " 2
3
/ 4 "
UP
Attach the latch face that matches the mortise in the edge of your door
Fin
Floating Sleeve
Round Face Plate
Locate floating sleeve and round
face plate and proceed.
To change latch faces:
1. Use a flat screwdriver to separate the face plate.
2. Snap selected latch face onto backplate.
For drive in installation:
Push latchbolt to the end and hold. Align the round face
plate opening with the fin on the latch.
Push to the end
and rotate the round face plate counter-clockwise. After
assembly, release latchbolt to fully extend. Move the
floating sleeve toward the round face plate until the
edge fits into the ring opening of the round face plate.
Back Plate
Plaque arrière
Placa posterio
Face Plate
Têtière
Placa frontal

Master Lock BAO0115 Specifications

General

Brand	Master Lock
Model	BAO0115
Category	Door locks
Language	English

Summary

Backset Adjustment

Convert Backset to 2-3/4 Inches

Instructions for converting the latch backset from 2-3/8" to 2-3/4".

Latch Face Installation

Change Latch Faceplate

Steps to separate the existing face plate and attach the new one to the backplate.

Drive-In Latch Installation

Instructions for installing a drive-in latch with a round face plate.

Door Preparation

Mark Backset Center

Using the template, mark the center of the hole for the latch on the door face.

Drill Door Holes

Drill the main door hole and the latch hole on the door edge.

Prepare Latch Mortise

Insert latch, mark face plate outline, and chisel mortise for flush fit.

Secure Latch

Insert the latch into the prepared hole and secure it with screws.

Mark Strike Centerline

Close the door to mark the horizontal centerline for the strike plate on the jamb.

Strike Plate Installation

Mount Strike Plate

Align strike with jamb centerlines, mark, chisel, and secure the strike plate.

Lockset Assembly

Install Outside Knob/Lever

Insert spindle through latch and press flush against door.

Install Inside Knob/Lever

Install the inside knob or lever and tighten screws until lock is firm.