Johnson 40-6646 User Manual

©2017 Johnson Level & Tool 1
Self-Leveling 3 Dot Laser
Model No. 40-6646
Instruction Manual
Congratulations on your choice of this Self-Leveling 3 Dot Laser. We
suggest you read this instruction manual thoroughly before using the
instrument and save this instruction manual for future use.
This is a Class II laser tool and is manufactured to comply with CRF 21,
parts 1040.10 and 1040.11 as well as international safety rule IEC 285.
1836i-English_Manuals 3/15/17 11:36 AM Page 1

Johnson 40-6646 Specifications

General

Brand	Johnson
Model	40-6646
Category	Laser Level
Language	English

Summary

Safety Instructions

Location of Warning Labels

Location of Part Components

Operating Instructions

Battery Installation

Details on how to install batteries, including cover removal, insertion, and replacement.

Powering the Laser On/Off

Tips from the Pros

Advice on maximizing laser beam visibility in bright conditions.

Care and Handling

Checking Accuracy

Checking Plumb Accuracy

Procedure to verify the vertical accuracy of the laser beams.

Checking Level Accuracy

Procedure to verify the horizontal accuracy of the laser beams.

Application Examples

Troubleshooting Guide

Technical Specifications

Product Warranty

Warranty Registration