Master Lock BAO0315 - User Manual

To Next Page

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.

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

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

Need help?

Do you have a question about the Master Lock BAO0315 and is the answer not in the manual?

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.

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.

This document provides comprehensive instructions for installing a Master Lock knob or lever lockset, detailing the process from initial preparation to final assembly and adjustment.

Function Description

The Master Lock knob or lever lockset is designed to secure doors by providing a locking mechanism. It features an adjustable latch that can accommodate different door backsets, ensuring compatibility with a variety of door types. The lockset includes components for both the exterior and interior of the door, allowing for complete installation and functionality.

Important Technical Specifications

Backset: The lockset features an adjustable backset, which is the distance from the door edge to the center of the hole on the door face. It can be set to either 2-3/8" (60mm) or 2-3/4" (70mm). This adjustability is a key feature, allowing for versatile application.
Drill Hole Sizes:
- For the door face, a 2-1/8" (54mm) hole is required. It is recommended to drill from both sides of the door to prevent wood splitting.
- For the latch, a 1" (25.4mm) hole is needed in the door edge.
- For the strike plate, a 1" hole, 1/2" deep, is drilled at the intersection of the horizontal and vertical centerlines on the door jamb.
Chisel Depth: When installing the latch face plate, a chisel depth of 11/64" (4mm) is specified to ensure the plate sits flush with the door edge. For the strike plate, an approximate depth of 1/8" is required for a flush fit with the jamb.
Material: The instructions imply the use of standard lockset materials, though specific material types (e.g., brass, steel) are not explicitly detailed. The focus is on the installation process rather than material composition.

Usage Features

Adjustable Backset: The lockset's primary usage feature is its adjustable backset. Users can easily convert the latch from a 2-3/8" (60mm) setting to a 2-3/4" (70mm) setting by pulling the spindle cam all the way to the right. To reset to 2-3/8", the spindle is pushed all the way back to the left. This flexibility makes the lockset suitable for various door preparations without needing different models.
Multiple Latch Face Options: The lockset supports different latch face types (e.g., round face plate, square face plate, drive-in). The instructions detail how to change latch faces using a flat screwdriver to separate the existing face plate and then snapping the desired one onto the backplate. For drive-in installations, a specific procedure involves aligning the round face plate opening with a fin on the latch, pushing it to the end, rotating it counter-clockwise, and then moving a floating sleeve to secure it. This adaptability ensures compatibility with different door edge preparations.
Easy Installation Process: The manual breaks down the installation into clear, sequential steps, making it accessible for DIY enthusiasts. It covers marking the door with a template, drilling holes, installing the latch, and finally assembling the exterior and interior knobs/levers.
Key Hole Orientation: During the installation of the outside knob or lever, it is explicitly stated that the keyhole must be in the down position, indicating a specific orientation requirement for proper function.
Secure Fastening: The installation process emphasizes tightening screws until the lock is firm, ensuring a secure and stable installation that contributes to the lockset's overall security and longevity.

Maintenance Features

The document primarily focuses on installation and does not explicitly detail ongoing maintenance features. However, implicit maintenance aspects can be inferred:

Durable Construction (Implied): The detailed installation steps and the expectation of a "firm" lock suggest a design intended for long-term use, implying durability that minimizes frequent maintenance needs.
Component Replacement (Implied): The ability to change latch faces suggests that individual components might be replaceable if damaged or if a different aesthetic/functional requirement arises, although specific replacement parts are not listed.
Standardized Design (Implied): Given that it's a Master Lock product, it likely adheres to industry standards, which often means that common lubricants or cleaning agents can be used for routine care, though none are specified in the manual. The clear instructions for assembly and disassembly (e.g., changing latch faces) also imply that the lockset is designed to be serviceable if internal components need attention.

In summary, the Master Lock knob or lever lockset is a versatile and user-friendly security solution for doors, characterized by its adjustable backset, adaptable latch face options, and straightforward installation process. While specific maintenance instructions are not provided, its design suggests a durable product that can be serviced if necessary.

Master Lock BAO0315 Specifications

General

Brand	Master Lock
Model	BAO0315
Category	Door locks
Language	English

Related product manuals