Congratulations on your choice of this Self-Leveling 360º Line Laser. We suggest
you read this instruction manual thoroughly before using the instrument. Save this
instruction manual for future use.
These lasers emit one 360º horizontal laser beam or one 360º horizontal laser beam
with four dots that are 90º to each other. The laser features visual and audible out of
range indication and a pendulum-locking design. 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.
Self-Leveling 360º Line Laser1
Wall Mount Bracket1
“AA” Alkaline Batteries4
Instruction Manual with Warranty Card1
Soft-Sided Carrying Case1
Description Model No’s 40-6638 & 40-6639Qty.
Self-Leveling 360º Line Laser1
Wall Mount Bracket1
“AA” Alkaline Batteries4
Detector with Bracket and 9V Battery1
Instruction Manual with Warranty Card1
Soft-Sided Carrying Case1
2. Features and Functions
• Indoor and outdoor use (for outdoor use, must use 40-6780
detector included in 40-6638 and 40-6639).
• 40-6636 and 40-6638 emit a self-leveling 360º horizontal line
and the 40-6637 and 40-6639 emit a self-leveling 360º
horizontal line and 4 dots that are 90º to each other.
Please read and understand all of the following instructions, prior
to using this tool. Failure to do so, may void the warranty.
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.
ATTENTIONIMPORTANT
• 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
authorized dealer. Use of non-Johnson®parts and accessories will void warranty.
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 on/off switch is in the off
position before removing and replacing batteries.
Polarity Indication of Battery
Battery
Compartment
Screws
Loosen the battery compartment screw, put 4 x AA alkaline batteries
into the battery compartment according to the polarity indication
shown in the battery compartment. Then put the battery
compartment back on and tighten the battery door screw.
Note:
• When power indication LED is flashing, alkaline batteries should
be replaced soon.
• Pay attention to the polarity of the batteries.
• Used (discharged) batteries are hazardous waste and should be
disposed of properly.
Connect the laser to the bracket with the 5/8” screw on the bottom of
the bracket, attach the bracket to any metal surface or strap it to a
column, or hang it on a wall.
Placement Strap
Screw holes
for hanging
on a wall
Magnet
The laser can also be placed on a 5/8” or 1/4” tripod.