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©2014 Johnson Level & Tool - Rev. 1

3

3. Safety Instructions 

Please read and understand all of the following instructions, prior 
to using this tool. Failure to do so, may void the warranty.

DANGER!

Class IIIa Laser Product
Max. Power Output:  

5mW

Wavelength:  640-660nm

THIS TOOL EMITS LASER RADIATION.
DO NOT STARE INTO BEAM.
AVOID DIRECT EYE EXPOSURE.

ATTENTION

IMPORTANT

• Read all instructions prior to operating this laser tool. Do not remove any labels from tool.

• Do not stare directly at the laser beam.

• Do not project the laser beam directly into the eyes of others.

• Do not set up laser tool at eye level or operate the tool near a reflective surface as 

the laser beam could be projected into your eyes or into the eyes of others.

• Do not place the laser tool in a manner that may cause someone to unintentionally 

look into the laser beam. Serious eye injury may result.

• Do not operate the tool in explosive environments, i.e. in the presence of gases or 

flammable liquids.

• Keep the laser tool out of the reach of children and other untrained persons.

• Do not attempt to view the laser beam through optical tools such as telescopes as 

serious eye injury may result.

• Always turn the laser tool off when not in use or left unattended for a period of time.

• Remove the batteries when storing the tool for an extended time (more than 3 months)

to avoid damage to the tool should the batteries deteriorate.

• Do not attempt to repair or disassemble the laser tool. If unqualified persons attempt

to repair this tool, warranty will be void. 

• Use only original Johnson

®

parts and accessories purchased from your Johnson

®

authorized dealer. Use of non-Johnson

®

parts and accessories will void warranty.

7920H-English_Manuals  3/21/14  9:35 AM  Page 3

Summary of Contents for 40-6174

Page 1: ...ore using the instrument Save this instruction manual for future use This tool emits one laser beam that is selectable as a dot vertical line or horizontal line Visibility of the beam depends upon lig...

Page 2: ...Qty Magnetic Torpedo Laser Level 1 AA Alkaline Batteries 2 Leveling Base 1 Mounting Straps 2 Instruction Manual with Warranty Card 1 Soft sided Carrying Case 1 2 Features and Functions Able to projec...

Page 3: ...nner that may cause someone to unintentionally look into the laser beam Serious eye injury may result Do not operate the tool in explosive environments i e in the presence of gases or flammable liquid...

Page 4: ...4 2014 Johnson Level Tool Rev 1 4 Location Content of Warning Labels 7920H English_Manuals 3 21 14 9 35 AM Page 4...

Page 5: ...Leveling Base Power Switch Vertical Vial Mode Conversion Head Rotating Head Horizontal Vial Battery Door Cross Vial Magnet 1 4 Screw Thread hole V Shaped Base Leveling Screw Attachment Bolt Power Swi...

Page 6: ...dous waste and should be disposed of properly Leveling Base Usage 1 Install the leveling base by screwing the attachment bolt clockwise into 1 4 thread hole at the bottom of the instrument 2 Level the...

Page 7: ...IMPORTANT It is the responsibility of the user to verify the calibration of the instrument before each use Checking Vials Start by making sure that the vials are accurate This is done by placing the...

Page 8: ...Start by placing the unit on a flat surface and aim the laser at a stationary target Position the unit target at close range and note a reference point on the target As the unit is moved away from the...

Page 9: ...50 ft 1mm 5m in the horizontal direction of laser point Interior Working Range Up to 100 ft 30m depending upon light conditions Power Supply 2 AA alkaline batteries included Dimensions 7 37 x 2 x 1 1...

Page 10: ...0 2014 Johnson Level Tool Rev 1 10 Application Demonstrations Projects one laser point Projects one horizontal laser line Projects one vertical laser line 7920H English_Manuals 3 21 14 9 35 AM Page 10...

Page 11: ...on each of its products You can obtain a copy of the limited warranty for a Johnson Level Tool product by contacting Johnson Level Tool s Customer Service Department as provided below or by visiting o...

Page 12: ...Tool s Customer Service Department at 800 346 6682 13 Warranty Registration Enclosed with this instruction manual you will find a warranty registration card to be completed for your product You will n...

Page 13: ...any applicable limited warranty and there will be NO WARRANTY If you need any assistance in locating any accessories please contact our Customer Service Department In the U S contact Johnson Level Too...

Page 14: ...14 2014 Johnson Level Tool Rev 1 7920H English_Manuals 3 21 14 9 35 AM Page 14...

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