Johnson 40-6690 User manual
©2011 Johnson Level & Tool 1
Pipe Laser
Model No. 40-6690
Instruction Manual
Congratulations on your choice of this Pipe Laser. We suggest you read
this instruction manual thoroughly before using the pipe laser. Save this
instruction manual for future use.
The 40-6690 pipe laser is an easy-to-use laser that provides underground
contractors line, elevation, and grade control for installing storm, sanitary, or
other gravity-flow drainage pipe. This system can also be used for tunneling,
boring, pipe alignment, or any other application requiring line, elevation, and
grade control.
The pipe laser emits a highly visible red beam of laser light in a direction at a
predetermined (grade) for the alignment of gravity-flow pipe. The laser light is
intercepted at the opposite end of the pipe by the pipe laser target. To align
the pipe, position it so that the pipe laser’s beam is centered in the target.
This is a Class a laser tool and is manufactured to comply with CFR 21,
parts 1040.10 and 1040.11 as well as international safety rule EC 285.
4429H-English_Manuals 2/18/11 9:40 AM Page 1
2©2011 Johnson Level & Tool
Table of Contents
1. Kit Contents
2. Features and Functions
3. Safety nstructions
4. Location/Content
of Warning Labels
5. Location of Parts/Components
6. Operating nstructions
7. Using the Product
8. Self-Check & Fine Calibration
9. Technical Specifications
10. Care and Handling
11. Product Warranty
12. Warranty Registration
13. Accessories
1. Kit Contents
Description for Model 40-6690 Qty.
Pipe Laser 1
Rechargeable Battery pack 1
Alkaline Battery Pack (batteries not included) 1
6.4V Charger Adapter 1
12V Car Charger 1
Targets 2
Leg Sets 5
3rd Leg 1
Remote Control with 9V Battery 1
nstruction Manual with Warranty Card 1
4429H-English_Manuals 2/18/11 9:40 AM Page 2
©2011 Johnson Level & Tool 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 a Laser Product
Max. Power Output: ≤5mW
Wavelength: 625-645nm
THIS TOOL EMITS LASER RADIATIO .
DO OT STARE I TO BEAM.
AVOID DIRECT EYE EXPOSURE.
2. Features and Functions
• Electric self-leveling
• Out of level indicator, laser beam will blink and LCD symbol will
indicate out of level position
• Large grade range
• Quickly reset the line to the center position
• Stand by mode to conserve battery
• Operates with remote control
• Various leg sets and targets for different size pipe
• Waterproof
4429H-English_Manuals 2/18/11 9:40 AM Page 3
4©2011 Johnson Level & Tool
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. f 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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©2011 Johnson Level & Tool 5
4. Location/Content of Warning Labels
4429H-English_Manuals 2/18/11 9:40 AM Page 5
6©2011 Johnson Level & Tool
5. Location of Part/Components
Line & axis pivot
marker & LED
Back remote
receiving window
LCD window
Keypad
Handle
External
power
receptacle
Battery pack
Back leg
1/4” hread Mount
Front leg
Grade - Axis
pivot marker
Laser Exit
Window
Front
remote
receiving
window
4429H-English_Manuals 2/18/11 9:40 AM Page 6
©2011 Johnson Level & Tool 7
Optional Adjustable rivet Stand 40-6391
Elevating lock
knob
IL lock knob Adjusting knobs
Laser mounting
Accessories Included
Small and large targets Various leg sets
4429H-English_Manuals 2/18/11 9:40 AM Page 7
8©2011 Johnson Level & Tool
6. Operating Instructions
IMPORTA T: t is the responsibility of the user to verify the
calibration of the instrument before each use.
Battery installation
a) Put 4 “D” alkaline batteries into the
battery pack following the polarity direc-
tion indication. Put the alkaline battery
pack cover back, and install the battery
pack into the laser.
b) nstall the rechargeable battery
pack into the laser.
Recharging the battery pack
Plug the adapter into the charging port on the rechargeable battery.
The adapter box charging LED is red during the charging process,
and it will turn to green when the battery is fully charged.
Alkaline battery box installation
Rechargeable battery box installation
Charging LED on adapter box Charging the battery pack
outside the laser
Charging the battery pack
with rechargeable battery
pack in laser
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©2011 Johnson Level & Tool 9
Additional External Power Cables included
1) 12V adapter 2) Car adapter
ote: Recharge the battery when the battery indication shows low or
no power.
Using the Optional 40-6391 Adjustable Trivet Stand:
1. When a laser is to be set on a flat surface where the laser beam is
not centered in the pipe, use model 40-6391 Trivet Stand.
2. Using this system, the elevation of the laser beam can be set by
either measuring down from a grade offset hub outside the trench or
up from the floor of the manhole to the beam.
The pipe laser can be fixed to the 40-6391 adjustable trivet stand as
indicated by the picture below. Loosen the elevating lock knob to
adjust the height, loosen the T LT lock knob to adjust the T LT angle.
Laser Placement with leg sets:
Choose the different size leg sets for different size pipe. (6” or 150mm
(no legs), 8” or 200mm, 10” or 250mm, 12” or 300mm, 15” or
400mm, 21” or 500mm).
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10 ©2011 Johnson Level & Tool
For 3 feet support of the pipe laser:
Screw the silver adapter to the hole under the handle of the pipe
laser. Attach one leg to the adapter and two legs to the front of the
pipe laser as shown in picture.
4429H-English_Manuals 2/18/11 9:40 AM Page 10
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