Master Lock BAO0315 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.
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
Face Plate

Master Lock BAO0315 Specifications

General

Brand	Master Lock
Model	BAO0315
Category	Door locks
Language	English

Summary

Adjusting Backset

Backset Adjustment Procedure

Explains how to adjust the latch for 2-3/8" or 2-3/4" backsets using the spindle cam.

Latch Installation Steps

Attaching Latch Faceplate

Details how to separate and snap the selected latch face onto the backplate.

Drive-In Latch Installation

Instructions for driving the latch into the door, including aligning and securing the faceplate.

Marking Door Hole Center

Guides marking the center of the hole on the door face based on backset selection.

Drilling Door Holes

Instructions for drilling the 2-1/8" face hole and 1" latch hole in the door.

Fitting Latch and Faceplate Outline

Guides inserting the latch and marking the faceplate outline for chiseling.

Marking and Drilling for Strike Plate

Instructions for marking and drilling the door jamb for the strike plate.

Strike and Knob Installation

Strike Plate Installation

Details aligning the strike plate, marking, chiseling, and installing it flush with the jamb.

Installing Outside Knob/Lever

Guides inserting the spindle through the latch and pressing the outside knob/lever flush against the door.

Installing Inside Knob/Lever

Instructions for installing the inside knob/lever and tightening screws until the lock is secure.