Harbor Freight Tools 91179 User Manual
SELF-LEVELING
®
CROSS LASER LEVEL
91179
ASSEMBLY AND OPERATING INSTRUCTIONS
3491 Mission Oaks Blvd., Camarillo, CA 93011
Visit our Web site at http://www.harborfreight.com
Copyright© 2004 by Harbor Freight Tools®. All rights reserved. No por tion of this
manual or any artwork contained herein may be reproduced in any shape or form
without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353
Specifications
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Save This Manual
You will need the manual for the safety warnings and precautions, assembly
instructions, operating and maintenance procedures, parts list and diagram.
Keep your invoice with this manual. Write the invoice number on the inside of the
front cover. Keep the manual and invoice in a safe and dry place for future
reference.
Safety Warnings and Precautions
WARNING: When using tool, basic safety precautions should always be followed to reduce the risk of personal injury and damage to equipment.
Read all instructions before using this product!
1. Keep work area clean. Cluttered, damp or wet work areas invite injuries.
2. Keep children away. Do not allow children to handle this product. Keep
children out of the area during setup and use.
3. Store idle equipment. When not in use, this product must be stored in a
dry location. Always lock up tools and keep out of reach of children. This is a
delicate/precision instrument. Keep clean and dry.
4. Dress safely. Nonskid footwear or safety shoes should be used when
working with this product. Do not wear loose clothing or jewelry as they can
become caught in moving parts.
5. Use eye protection. Do not stare into the Laser Beams. It is also
recommended, when installing this product, to wear ANSI approved impact
safety goggles. ANSI approved safety impact eye glasses are available from
Harbor Freight Tools. NEVER point the laser directly at the eye. Do not point
Laser on or indirectly off of reflective surfaces such as Stainless Steel or
Aluminum, etc. THE INCLUDED LASER ENHANCEMENT GLASSES (5)
ARE NOT INTENDED TO PROVIDE ANY PROTECTION TO YOUR EYES.
When using this product, you may wear the Laser Enhancement Glasses (5)
supplied with this Laser to help make the laser beam more visible.
SKU 91179 For technical questions, please call 1-800-444-3353. Page 2
REV 03/05; 05/05
6. Do not direct the Laser Beam into the eyes of any person or animal.
This may cause serious injury to the eye. Do not look directly into the beam
during operation.
7. Use the right tool for the job. There are certain applications for which this
product was designed. Do not modify this product and do not use this
product for a purpose for which it was not intended.
8. Stay alert. Watch what you are doing, use common sense. Do not operate
any tool when you are tired or distracted from the job at hand.
9. Check for damaged parts. Before using this product, carefully check that it
will operate properly and perform its intended function. Check for damaged
parts, loose par ts, and any other conditions that may affect the operation of
this product. Do not disassemble the instrument or attempt to perform any
internal servicing. Repair and servicing of this Laser are to be performed
only by a qualified service technician.
10. Do not use this Laser if under the influence of alcohol or drugs. Read
warning labels on prescriptions to determine if your judgment or reflexes are
impaired while taking drugs. If there is any doubt, do not use this product.
11. Use only batteries of the type recommended-size “AA”. Do not mix old
and new batteries. Do not use different types of batteries. Do not use
rechargeable with alkaline batteries.
12. Make certain to switch the Laser button to the “OFF” position when
adjusting or when changing the batteries.
13. Remove batteries if the Laser is not used for a long period of time.
Note: Always switch to a fresh set of batteries when tool performance begins to
diminish. This is a delicate instrument. Do not drop or jar the Laser.
Warning: The warnings, cautions, and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may
occur . It m ust be understood by the operator that common sense and caution
are factors which cannot be built into this product, but must be supplied by
the operator.
SKU 91179 For technical questions, please call 1-800-444-3353. Page 3
Horizontal Plane
Identification of Parts
Indicator Light
Ve rtical Plane
Indicator Light
IV
Vertical Plane
On/Off Switch
Laser Output
Window
Center Line
Locking Wheel
3600 Rotary Base
H
TOP
Horizontal Plane
On/Off Switch
Battery Compartment
3 “AA” Batteries (2)
BACK
BOTTOM
5/8” Mounting
Thread for
Wall Mount (1)
Wall Mount
(1)
Figure A
SKU 91179 For technical questions, please call 1-800-444-3353. Page 4
Features
• Independent laser diodes emit clear and precise red laser lines
• Magnetic damping compensator stabilizes quickly
• Alarm sounds when out of leveling range
• Use horizontal (level) and vertical (plumb) lines together, or separately
• Broad +/-5
0 self-leveling range
• Bearing pendulum compensator offers strong rigidity
• Pendulum lock protects the internal structure during transportation and
storage
• Unit includes various accessories
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SKU 91179 For technical questions, please call 1-800-444-3353. Page 5
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