Johnson 40-6670 User manual

Self-Leveling T o or Three-Beam Laser Dot

Model No. 40-6670 & 40-6675

Instruction Manual

Congratulations on your choice of this Self-Leveling Two or Three-Beam

Laser Dot. We suggest you read this instruction manual thoroughly

before using the instrument. Save this instruction manual for future use.

This tool emits two or three laser beams, which projects a series of

visible points on surfaces around the product 40-6675 (front, up and

down) and 40-6670 (up and down). Beam visibility depends upon

lighting conditions in the work area.

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.

4043H_Manuals 10/29/10 9:31 AM Page 1

Table of Contents

1. it Contents

2. Features and Functions

3. Safety Instructions

4. Location/Content

of Warning Labels

5. Location of Parts/Components

6. Operating Instructions

7. Self-Check & Fine Calibration

8. Technical Specifications

9. Application Demonstrations

10. Care and Handling

11. Product Warranty

12. Warranty Registration

13. Accessories

1. Kit Contents

Description Qty.

Self-leveling Two or Three-Beam Laser Dot 1

“AA” Alkaline Batteries 3

Magnetic Target 1

Instruction Manual with Warranty Card 1

Soft Sided Pouch 1

2. Features and Functions

• Product simultaneously projects two or three laser beams 40-6675

(front, up and down) and 40-6670 (up and down).

• Magnetic dampening compensation system.

• Maintains level even when effected by vibration on the job site.

• Laser flashes and sounds audible alarm when product is

beyond leveling range.

• Low voltage indication with power indication lamp flashing.

• Pendulum locking mechanism helps protect units inner

mechanisms.

• Dust and rain resistant.

4043H_Manuals 10/29/10 9:31 AM Page 2

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.

• eep 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.

4043H_Manuals 10/29/10 9:31 AM Page 3

4. Location/Content of Warning Labels

CAUTION!

Class IIIa Laser Product

Max. Power Output: ≤5mW

Wavelength: 625-645nm

THIS T L EMITS LASER RADIATI N.

D N T STARE INT BEAM.

AV ID DIRECT EYE EXP SURE.

40-6670

40-6675

4043H_Manuals 10/29/10 9:31 AM Page 4

5. Location of Part/Components

On/Off Indicator

Compensator lock

and On/Off Switch

Calibration port plug

Power LED

Battery door

Magnets

Battery

door/lock

Laser output

window

Laser output

window

(40-6675 only)

Laser output

window

1/4” screw thread hole

Calibration port

plug

4043H_Manuals 10/29/10 9:31 AM Page 5

6. perating Instructions

Alkaline Battery Installation

Note: Always check to be sure that the on/off switch is in the off

position before removing and replacing batteries.

1. As shown in figure, put 3”AA” alkaline batteries into the battery

compartment noting the polarity as shown in the battery

compartment. Snap the battery cover shut. Turn the on/off

switch to on. If the power LED is flashing, the battery is low.

IMP RTANT: It is the responsibility of the user to verify the

calibration of the instrument before each use.

4043H_Manuals 10/29/10 9:31 AM Page 6

Using the Instrument

Power on/off

Turn the compensator lock on/off switch in the direction indicated by

the arrow.

Note: Product must be within ± 3° of level for self-leveling feature

to function properly. Greater than ± 3° will result in an alarm

condition (flashing laser and intermittent beeping sound).

utput of laser line:

To unlock and turn laser on. To lock and turn laser off.

40-6670 40-6675

4043H_Manuals 10/29/10 9:31 AM Page 7

7. Self-Check & Fine Calibration

Accuracy Self-Check - Plumb point accuracy self-check

1. As shown in figure 1, put the unit on the ground in the direction shown in

figure 1-1.

2. Power on the unit and mark the center of plumb-down as point “E” and

plumb-up point as “A”.

3. Turn the unit 90° (as shown in figure 1-2) and place the down beam on

the “E” mark. Mark the center of the plumb-up point as “B”.

4. Turn the unit 90°again (as shown in figure 1-3) and repeat step 3. Mark

the center of the plumb-up point as “C”.

5. Turn the unit 90°again (as shown in figure 1-4) and repeat step 3. Mark

the center of the plumb-up point as “D”.

6. Marks A-D should all be in the same spot. If not, the unit will need to be

recalibrated. Please see calibration adjustment information.

IMP RTANT: It is the responsibility of the user to verify the

calibration of the instrument before each use.

Figure 1

1-1 1-2

1-3 1-4

4043H_Manuals 10/29/10 9:31 AM Page 8

Accuracy Self-Check - Horizontal Laser (40-6675 only)

1. Set the instrument on a level surface such as a flat head tripod

centered between two walls (marked 1 & 2) approximately 25 feet

apart. (See fig. 1).

2. Point the instrument directly at wall 1. Turn the laser on and mark the the

beam as point A.

3. Turn the instrument 180 degrees so that the laser is pointed directly at wall

2. Turn the laser and mark the beam as point B.

4. Move the instrument and the tripod so the laser is positioned approximately

2 feet away from wall 1 (see fig. 2). Level the tripod and position the

instrument on the tripod facing wall 1. Turn the laser on and mark the the

beam as point C.

5. Turn the laser off and rotate the laser 180 degrees so that it is

facing directly to wall 2.

6. Turn on the laser and mark the beam

as point D.

7. Measure the distance between

points A & C.

8. Measure the distance between

points B & D.

9. If the difference between points

A & C and points B & D are less

than 1/16”, your instrument is within

its tolerance.

10. If it is greater than 1/16”, your unit

will need to be recalibrated.

Wall 1 Wall 2

Fig 1

Fig 2

25 ft.

(7.6m)

25 ft.

(7.6m)

48 ft.

(14.6m)

4043H_Manuals 10/29/10 9:31 AM Page 9

Calibration

1. Locate the front and side calibration port rubber plugs.

2. Carefully remove the rubber plugs.

3. Compensator must be unlocked and power on before making

calibration adjustments.

4. Use a 3mm Allen wrench.

5. For adjustment to the level/front beam, turn the Front A calibration screw

clockwise to raise the beam and counter-clockwise to lower the beam.

(40-6675 only)

6. For adjustment to the plumb beam, turn the Side B calibration screw

clockwise to move the plumb beam away from you and counter-clockwise

to move the beam toward you.

4043H_Manuals 10/29/10 9:31 AM Page 10

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