Johnson 40-6650 User manual
©2016 Johnson Level & Tool - Rev. 1 1
Self-Leveling Cross-Line Laser
Model Nos. 40-6650, 40-6656 & 40-6657
Instruction Manual
Congratulations on your choice of this Self-Leveling Cross-Line Laser.
We suggest you read this instruction manual thoroughly before using
the instrument. Save this instruction manual for future use.
This is a Class IIIa laser tool and is manufactured to comply with
CFR 21, parts 1040.10 and 1040.11 as well as international safety
rule IEC 285.
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2©2016 Johnson Level & Tool - Rev. 1
Table of Contents
1. Kit Contents
2. Features and Functions
3. Safety Instructions
4. Location/Content
of Warning Labels
5. Location of Parts/Components
6. Operating Instructions
7. Using the Product
8. Calibration
9. Technical Specifications
10. Application Demonstrations
11. Care and andling
12. Product Warranty
13. Warranty Registration
14. Accessories
15. Troubleshooting
1. Kit Contents
Description for Model 40-6650, 40-6656 & 40-6657 ty.
Self-Leveling Cross-Line Laser Level 1
Multi-Functional Elevating Magnetic Bracket 1
“AA” Alkaline Batteries 3
Mounting Strap 1
Instruction Manual 1
Soft-Sided Pouch (40-6650 & 40-6656) 1
ard-Shell Carrying Case (40-6657) 1
2. Features and Functions
• Able to project one horizontal, vertical or cross-line laser beam,
separately or simultaneously.
• Magnetic dampening compensation system.
• Self-leveling with a laser flash alarm when beyond leveling
range.
• Multi-functional elevating magnetic bracket is included to allow
the laser to hang on a wall, attach to metal, or connect to tripod
(5/8"-11 or 1/4"-20).
• Includes adjustable strap for attachment to pipe or conduit.
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©2016 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.
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.
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4©2016 Johnson Level & Tool - Rev. 1
DANGER!
Class IIIa Laser Product
Max. Power Output: ≤5mW
Wavelength: 625-645nm
THIS TOOL EMITS LASER RADIATION.
DO NOT STARE INTO BEAM.
AVOID DIRECT EYE EXPOSURE.
DANGER!
Class IIIa Laser Product
Max. Power Output: ≤5mW
Wavelength: 522-542nm
THIS TOOL EMITS LASER RADIATION.
DO NOT STARE INTO BEAM.
AVOID DIRECT EYE EXPOSURE.
40-6650
40-6656 & 40-6657
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©2016 Johnson Level & Tool - Rev. 1 5
4. Location/Content of Warning Labels
40-6650 40-6656 & 40-6657
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6©2016 Johnson Level & Tool - Rev. 1
5. Location of Part/Components
Instrument
Laser Output
Windows
Power LED
Battery Cover
Self-Calibration
Aperture
1/4"-20 Thread
Laser Operation
Button
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©2016 Johnson Level & Tool - Rev. 1 7
Multi-Functional Elevating Magnetic Bracket
6. Operating Instructions
Battery Installation
Note: Always check to be sure that the power is off
before removing and replacing batteries.
1. Open the battery cover and put in three “AA”
batteries according to the illustrated polarity direction.
Note:
• Pay attention to the polarity of the batteries.
• Used (discharged) batteries are hazardous waste
and should be disposed of properly.
ang ole
Lock/Unlock Knob
Laser
Attachment
Wheel
5/8"-11 Thread
Belt Groove
Magnets
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
1/4"-20 Thread
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8©2016 Johnson Level & Tool - Rev. 1
7. Using the Product
This bracket was specially designed for more extensive adaptability
of the laser. The bracket can be connected with a standard tripod by
5/8"-11 thread and a 1/4"-20 camera tripod. With the use of the
bracket, the laser can be freely rotated, hung on the wall, attached to a
metal plate, or bound on staff or pipe with use of its strap. Attach the
laser to the bracket using the laser attachment wheel on the bracket.
Operation Keypad
Power LED
ON (green): power is on
OFF: power is off
ON (red): low battery
Laser Operation Button
Press once for the vertical line only.
Power LED
Laser Operation Button
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©2016 Johnson Level & Tool - Rev. 1 9
Press a second time for the
horizontal line only.
Press a third time for both the
horizontal and vertical line
simultaneously.
Press a fourth time to turn both the horizontal and vertical
line off.
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10 ©2016 Johnson Level & Tool - Rev. 1
8. Calibration
IMPORTANT: It is the responsibility of the user to verify the
calibration of the instrument before each use.
Horizontal Line Transverse Accuracy Check
Transverse accuracy refers to the accuracy of the horizontal laser
beam projected along the wall, and ensures the beam is level from
left to right
1. Set the instrument on a tripod and place approximately 15 ft
(5m) from a wall.
2. Unlock the unit and power the unit on.
3. Face the cross-line laser line to the wall, and set the center as
Dot ‘A’. Make a mark on the wall for Dot ‘A’. Make another
mark on the wall 8 ft (2.5m) from Dot ‘A’ and mark on the wall
as Dot ‘M’.
4. Rotate the instrument 90° and make a mark on the wall 15 ft
(5m) from Dot ‘A’. Label this mark as Dot ‘B’.
8 ft (2.5m)
15 ft (5m)
8 ft (2.5m)
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