Johnson 40-6688 Instruction Manual

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Self-Leveling Combination Cross-Line Laser

and Five-Beam Laser Dot

Model No. 40-6688

Instruction Manual

Congratulations on your choice of this Self-Leveling Combination Cross-Line Laser and Five-Beam Laser Dot. 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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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. Accuracy Check

9. Technical Specifications

10. Application Demonstrations

11. Troubleshooting Guide

12. Care and Handling

13. Product Warranty

14. Warranty Registration

15. Accessories

1. Kit Contents

Description for Model 40-6688 Qty.

Self-Leveling Combination Cross-Line Laser &

Five-Beam Laser Dot 1 Multi-functional Magnetic Base 1 Mounting Strap 1 “AA” Alkaline Batteries 3 Tinted Glasses 1 Magnetic Target 1 Instruction Manual 1 Hard-Shell Carrying Case 1

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2. Features and Functions

• Laser simultaneously projects two, three or five laser beams (up, down, front, left and right directions).

• Able to project one horizontal, vertical or cross-line beam.

• Magnetic dampened compensation system.

• Laser beam flashes and sounds audible alarm when the laser is beyond its self-leveling range.

• Pendulum locking mechanism helps protect units inner mechanisms.

• Multi-functional magnetic base for attaching to tripod or any metal surface.

• Manual mode feature allows unit to be tipped at extreme angles without the audible alarm and laser flash being triggered.

• Pulsed line feature allows outdoor use with line generator laser detector (sold separately).

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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.

DANGER!

Class IIIa Laser Product Max. Power Output: ≤ 5mW Wavelength: 625-645nm & 532nm

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

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4. Location/Content of Warning Labels

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5. Location of Part/Components

Keypad

Laser Dot Output Windows

Laser Line Output Windows

Battery Cover

1/4” - 20 Thread

Self-calibration Aperture A

Self-calibration Aperture B

Compensator Lock/Unlock Switch

1/4” - 20 Thread attaches to base

Wall Mount

Belt Mounting Groove

Laser Connecting Knob

Rare Earth Magnets

5/8” Thread

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6. Operating Instructions

IMPORTANT: It is the responsibility of the user to verify the

calibration of the instrument before each use.

Battery Installation Note:

Always check to be sure that the compensator lock/unlock switch

is in the locked position before removing and replacing batteries.

1. As shown in figure, open the battery cover.

2. Put three “AA” alkaline batteries into the battery compartment noting polarity

3. Close the battery cover.

7. Using the Product

Place the laser on a relatively smooth, flat and

level surface.

Note: Product must be within ±4º of level for self-leveling feature to function properly. Greater than 4º will result in an alarm condition (flashing laser and intermittent beeping sound).

Place the laser on a tripod using the multi-functional

base.

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Attach the laser to a steel object.

Laser can pivot on base.

Strap the laser to a pole.

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Keypad Operations

Power LED:

LED On: Laser is on or pendulum compensator is unlocked LED Off: Pendulum compensator is locked and laser is off LED Flashing: Low Battery

Manual Mode LED:

LED Flashing: The pendulum compensator is locked (laser is not

self-leveling) and laser is on

LED Off: The laser is in self-leveling mode or the laser is off

Horizontal Laser Line LED:

LED On: The horizontal laser line is on LED Flashing: The horizontal laser line is in pulse mode and can be

used with a line detector (sold separately)

LED Off: The horizontal laser line is off

Dot LED / Out-of-Level LED (when flashing)

Horizontal Line LED

Pulse Mode Button

Vertical Line LED

Power LED

Laser Dot Control Button

Manual Mode LED

Laser Line Control Button

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Vertical Laser Line LED:

LED On: The vertical laser line is on LED Flashing: The vertical laser line is in pulse mode and can be

used with a line detector (sold separately)

LED Off: The vertical laser line is off

Dot LED:

LED On: Dot laser is on LED Off: Dot laser is off LED Flashing: Laser is outside its self-leveling range

Pendulum Compensator Lock Switch

Unlock the laser, the laser will be on, and the power LED is on. Lock the laser, the laser will be off, and the power LED is off.

When unlocking the laser, if the laser flashes and sounds an alarm, the laser is out of its self-leveling range.

Locked Position Unlocked Position

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Pulse Mode Button

When the horizontal laser line, vertical laser line, or both laser lines are on, press the pulse button and the laser line will enter Pulse Mode and the corresponding LED will flash. Press the pulse button again and the laser will exit the pulse mode, and the corresponding LED will return to solid.

Note:

1. When the laser lines are off, the pulse mode button will not

function.

2. Pulse mode is for use with a line detector (sold separately).

Laser Line Control Button

Press the line button to turn the laser line on or off. Unlock the laser and press the line

button once. The horizontal laser line LED will be on and the output of the laser is as follows:

Press the line button a second time, the horizontal laser line LED will be off, the vertical LED will be on, and the output of the laser is as follows:

Horizontal Line

Vertical Line

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Press the line button a third time, the horizontal laser line and vertical laser line LED will be on, and the output of the laser is as follows:

Press the line button a fourth time, the horizontal laser line and vertical laser line LED will be off, there is no laser line output.

Laser Dot Control Button

Press the dot button to turn the laser dot on or off, unlock the laser and press the dot button once. The Laser Dot LED is on and the output of the laser is as follows:

Press the dot button a second time, the Laser Dot LED is on, the output of the laser is as follows:

Cross-Line

3 Dots

2 Dots

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Press the dot button a third time, the Laser Dot LED is on, the output of the laser is as follows:

Press the dot button a fourth time, the Laser Dot LED is off, there is no laser dot output.

With all laser lines and laser dots being on the laser, the output is as follows:

Manual Mode

With the lasers compensator pendulum switch locked, press the button or the button, the laser will be in manual mode, the power LED is on, and the manual mode LED will be flashing.

Note:

1. When manual mode is on, the laser does not self-level and no

out-of-level alarm is indicated.

2. If the lasers compensator pendulum switch is unlocked during

manual mode, the laser will go into self-leveling mode and the manual mode LED will turn off.

5 Dots

Cross-Line and 5 Dots

Note: To use model 40-6688 with a detector, a green detector is required and is sold separately. For help in selecting a proper green laser detector, please contact Johnson Level Customer Service at service@johnsonlevel.com or call 888-9-LEVELS (USA) or 800-346-6682 (Canada).

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8. Accuracy Check

IMPORTANT: It is the responsibility of the user to verify the

calibration of the instrument before each use.

Horizontal line accuracy (horizontal)

1. Place unit on a tripod approximately 5′ from a wall. Secure the

instrument on the tripod.

2. Face the front of the instrument to the wall, unlock the instrument, and power on the horizontal and vertical laser lines. Make a mark on the wall where the cross-line is displayed. Label this as ‘A’.

3. Make a mark 8′ from A, along the horizontal laser line, and label as ‘M’.

4. Turn the instrument until the vertical line meets ‘M’, and then make a mark 8′ from ‘M’, and 15′ from ‘A’. Label this mark as ‘B’. Also make a mark on the vertical line where it meets ‘B’.

5. Measure the height distance between ‘M’ and where the horizontal laser line currently sits.

6. If e>1/16″, the instrument accuracy is out of tolerance, and calibration is necessary.

Horizontal accuracy self-check (Vertical)

1. Stand up two straight poles/boards 15′ from each other, or two walls which are parallel and more than 15′ distance.

2. Place the instrument on the tripod, and place in the center of the poles/boards/walls, and level the instrument by adjusting the tripod.

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3. Power on horizontal and vertical laser lines, and make a mark where the cross laser meets target ‘A’. Mark this as ‘A1’.

4. Turn the instrument by 180°, so that the cross line meets target ‘B’. Mark this as ‘B1’.

5. Move the tripod within 2′ of target ‘A’. Make a mark where the cross meets target ‘A’, and label as ‘A2’.

6. Rotate the instrument by 180° and make a mark where the cross meets target ‘B’, and label as ‘B2’.

7. Calculate (A1-A2)-(B1-B2) = E. If the absolute value of E is above 1/16″, the instrument accuracy is out of tolerance and calibration is required.

Dot Accuracy

1. With the laser on its base and set on a flat platform, turn the laser on.

2. Mark the down beam location and use this as your reference point.

3. Locate the up beam and mark its point as ‘A’.

4. Rotate the laser (not moving the base) 180° by swiveling the laser on its base and mark the up beam location as ‘B’.

5. Rotate the laser 90° and mark the up beam as ‘C’.

6. Rotate the laser 180° and mark the up beam as ‘D’. Note: Do not move the base, and always have the down beam in

the same location.

7. Connect the four dots. Connect A to B, and C to D.

8. If the center point ‘E’ is more than 1/8″ at 50′, or 1/16″ at 25′ from points A, B, C, and D, the unit needs to be recalibrated.

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Checking the 3 Horizontal Beams

1. As shown in Fig. 1, set the instrument on a tripod or flat platform

50′ from an upright wall. Aim the front beam at the face of the wall. Mark the point projected on the wall by front beam as ‘A’.

2. Turn the instrument clockwise (Fig. 2) to make the point projected by the right laser beam on the same exact line as point ‘A’, and then mark the point as ‘B’.

3. Turn the instrument clockwise (Fig. 3) to make the point projected by the left laser beam on the same exact line as point ‘A’, and then mark the point as ‘C’.

4. The vertical distance between points A, B and C should not exceed 0.125″ (3.2mm).

5. If laser exceeds 1/8″ at 50′, contact Johnson Level & Tool for service.

Fig. 1 Fig. 2

Fig. 3

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9. Technical Specifications

Laser Wavelength 635nm±10 (dots)

532nm±10 (lines)

Laser Classification Class IIIa

Maximum Power Output ≤5mW

Accuracy ±1/8″/50 ft.

Interior Range Up to 200 ft.

Detector range up to 75 ft.*

Self-Leveling Range ±4°

Power Supply 3 “AA” alkaline batteries (included)

Battery Life 20 hours

Dimensions 4.803″ x 2.835″ x 4.567″

Weight 5.164 lbs.

Operating Temperature 32º F to 104º F

Tripod Thread 5/8″ – 11; 1/4″ – 20

IP Rating IP 54

*With Johnson model 40-6763 Green Beam Laser Detector (sold separately)

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10. Application Demonstrations

Piping

Tiling Plumb Walls Interior Layout

Transfer Reference Points Shelving

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11. Troubleshooting Guide

Symptom

Will not turn on

Possible Cause

Batteries missing or depleted

Polarity reversed

Solution

Change the batteries

Check polarity

Turns off after a short time

Batteries depleted

Compensator lock may be engaged

Change the batteries

Verify compensator is in unlocked position

Flashing or Beeping Laser is beyond leveling

range

Laser is out of calibration

Place on surface within 4º of level

Perform calibration check and calibrate laser if needed

Laser is not accurately reading plumb, level or square

Compensator may be locked

Laser is out of calibration

Unlock compensator

Contact Johnson to arrange calibration

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Symptom Possible Cause Solution

Laser light appears dim Pulse mode may be

engaged which makes the beam detectable, but dimmer

Batteries are weak

Improper battery type

Turn off pulse mode by pressing “P” button until line LED’s are solid

Replace batteries

Ensure high quality Alkaline batteries are used

Laser can not be detected with a detector (Note: detector is sold separately)

Pulse mode may be off

Detector may require new batteries

The detector may not be the proper one for the product

Trying to detect dot lasers when dot laser beams are not detectable; only the lines are detectable

Turn on pulse mode by pressing “P” button until line LED’s flash

Check and replace detector battery

Validate detector is for lines of the appropriate wavelength

Do not attempt to detect the dot laser, use the line laser if possible

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12. Care and Handling

• This laser unit is a precision tool that must be handled with care.

• Avoid exposing unit to shock vibrations and extreme temperatures.

• Before moving or transporting the unit, make sure that the unit is turned off.

• Remove the batteries when storing the unit for an extended time (more than three months) to avoid damage to the unit should the batteries deteriorate.

• Always store the unit in its case when not in use.

• Avoid getting the unit wet.

• Keep the laser unit dry and clean, especially the laser output window. Remove any moisture or dirt with a soft, dry cloth.

• Do not use harsh chemicals, strong detergents or cleaning solvents to clean the laser unit.

13. Product Warranty

Johnson Level & Tool offers a three year limited warranty 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 our web site at www.johnsonlevel.com. The limited warranty for each product contains various limitations and exclusions.

Do not return this product to the store/retailer or place of purchase. Non-warranty repairs and course calibration must be done by an authorized Johnson®service center or Johnson Level & Tool's limited warranty, if applicable, will be void and there will be NO WARRANTY. Contact one of our service centers for all non-warranty repairs. A list of service centers can be found on our web site at www.johnsonlevel.com or by calling our Customer Service Department. Contact our Customer Service Department for Return Material Authorization (RMA) for warranty repairs (manufacturing defects only). Proof of purchase is required.

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NOTE: The user is responsible for the proper use and care of the product. It is the responsibility of the user to verify the calibration of the instrument before each use.

For further assistance, or if you experience problems with this product that are not addressed in this instruction manual, please contact our Customer Service Dept.

In the U.S., contact Johnson Level & Tool’s Customer Service Department at 888-9-LEVELS.

In Canada, contact Johnson Level & Tool’s Customer Service Department at 800-346-6682.

14. Warranty Registration

Please register within 30 days of purchase. Registering ensures we have your information on file for warranty service even if you lose your receipt, and lets us contact you if there is ever a product recall. We will never sell your information and only send you marketing information if you opt-in.

To register, go to www.johnsonlevel.com/register.

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15. Accessories

Johnson®accessories are available for purchase through authorized Johnson

dealers. Use of non-Johnson®accessories will void 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 & Tool’s Customer Service Department at 888-9-LEVELS.

In Canada, contact Johnson Level & Tool’s Customer Service Department at 800-346-6682.

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