Johnson 40-6620 User manual

Self-Leveling Cross-Line Laser Level

Model No. 40-6620 and 40-6625

Instruction Manual

Congratulations on your choice of this Self-Leveling Cross-Line Laser

Level. We suggest you read this instruction manual thoroughly before

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

This is a Class II (40-6620) and Class IIIa (40-6625) laser tool and is

manufactured to comply with CFR 21, parts 1040 .10 and 1040 .11 as

well as international safety rule IEC 285.

3728H_Manuals 9/2/10 8:02 AM Page 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. Self-Check & Fine Calibration

9. Technical Specifications

10. Application Demonstrations

11. Care and Handling

12. Product Warranty

13. Warranty Registration

14. Accessories

1. Kit Contents

Description for Model 40-6620 and 40-6625 ty.

Self-Leveling Cross Line Laser Level 1

Multi-Functional Magnetic Base 1

“AA” Alkaline Batteries 3

Mounting Strap 1

Magnetic Target 1

Instruction Manual with Warranty Card 1

Soft Sided Pouch 1

2. Features and Functions

• Able to project one cross-line beam, consisting of one horizontal line

and one vertical line.

• Magnetic dampening compensation system.

• Laser flashes/sounds audible alarm when beyond leveling range.

• Manual mode feature allows unit to be tipped at extreme angles

without the audible alarm and laser flash being triggered

• Multi-functional magnetic base is included to allow

hanging on wall, attach to metal, or connect to tripod

(5/8"-11 or 1/4"-20).

• Includes adjustable strap for attachment to pipe or conduit.

3728H_Manuals 9/2/10 8:02 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.

• 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 ohnson®parts and accessories purchased from your ohnson®

authorized dealer. Use of non- ohnson®parts and accessories will void warranty.

3728H_Manuals 9/2/10 8:02 AM Page 3

CAUTION!

Class II Laser Product

Max. Power Output: ≤1mW

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: 625-645nm

THIS TOOL EMITS LASER RADIATION.

DO NOT STARE INTO BEAM.

AVOID DIRECT EYE EXPOSURE.

40-6620

40-6625

3728H_Manuals 9/2/10 8:02 AM Page 4

4. Location/Content of Warning Labels

40-662540-6620

3728H_Manuals 9/2/10 8:02 AM Page 5

5. Location of Part/Components

Instrument Manual mode button

Power Indicator

Light

On/Off Switch

Rubber acket

Laser Output

Window

1/4” – 20 thread

5/8” thread

Window Frame

Assembly

Side

Calibration

3728H_Manuals 9/2/10 8:02 AM Page 6

Special Base

6. Operating Instructions

Battery Installation

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

is in the off position before removing and replacing

batteries.

1. Open the battery-box cover and put in three “AA”

batteries according to the illustrated polarity direction

2. Place the instrument on a platform or a tripod.

3. Power on the instrument by turning the on/off

switch to the on position, and a cross line will be

projected.

Bracket

Magnet

Mounting

Belt Groove 1/4" – 20 thread

Instrument

Connecting

Knob

5/8" thread

Rubber

Magnet

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

calibration of the instrument before each use.

3728H_Manuals 9/2/10 8:02 AM Page 7

Note:

• Pay attention to the polarity of the batteries.

• Used (discharged) batteries are hazardous waste and should be

disposed of properly.

7. Using the Product

This base was specially designed for more extensive adaptability of

the instrument. Both the instrument and the base can be connected

with a standard tripod by 5/8"-11 thread and camera tripod by

1/4" – 20 thread. With the use of its base, the instrument can be

freely rotated, hung on the wall, attached to a metal plate, or bound on

staff or pipe with use of its strap.

1. As shown in fig. 1, take out the magnetic base.

2. As shown in fig. 2, install the instrument on the base by

rotating the connecting knob counter-clockwise.

3. As shown in fig. 3 and fig. 4, the instrument can be rotated on the base.

4. As shown in fig. 5, the instrument can be hung on the wall or

column by a nail.

3728H_Manuals 9/2/10 8:02 AM Page 8

Manual Mode Operating Instructions

1. Locate the Manual Mode Button (fig. 9) on the side

of the instrument, above the on/off switch (fig. 10).

2. When the unit is

turned on, push

the button once to engage

the Manual Mode Feature.

Red light next to manual

mode button will turn on.

3. Push the button a second

time to turn off the Manual

Mode Feature. Red light will

turn off.

Note:

When the Manual Mode Feature

is engaged, the self-leveling

alarm is deactivated.

Figure 9

Figure 10

3728H_Manuals 9/2/10 8:02 AM Page 9

8. Self-Check & Fine Calibration

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

calibration of the instrument before each use.

1. Set the instrument on a level flat head tripod centered

between two walls (marked 1 & 2) approximately 15 feet

apart. (See fig. 1).

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

mark the intersection of the beams 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 intersection of

the beams 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 tri-

pod and position the instrument on the tripod facing wall 1. Turn

the laser on and mark the intersection of the beams 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

intersection of the beams 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.

Wall 1 Wall 2

Fig 1

Fig 2

3728H_Manuals 9/2/10 8:02 AM Page 10

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