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4.Turn the laser on if not on already; adjust rotation speed and con- trols as needed. Remember: When working with the DEWALT Digital Laser Detector set the variable control speed to the highest setting (600 RPM).
5.Use the DEWALT Digital Laser Detector to locate the rotating laser beam and to set your marks on the posts.
6.You can now begin to lay out and level the deck.
Maintenance
•To maintain the accuracy of your work, have the laser checked often to make sure it is properly calibrated. See “Field Calibration” section of this manual.
•Calibration checks and other maintenance repairs can be per- formed by DEWALT service centers. Two free calibration checks are included under the DEWALT One Year Free Service Contract.
•When not in use, store the laser in the kit box provided.
•Do not store your laser in the kit box if the laser is wet. Allow laser to air dry and dry exterior parts with a soft dry cloth.
•Do not store your laser at temperatures below 0˚ F or above 105˚F. 
CLEANING: Exterior plastic parts may be cleaned with a damp cloth and mild detergent. Although these parts are highly solvent resis- tant, NEVER use solvents. Use a soft dry cloth to remove moisture from tool and accessories before storage. NEVER USE COM-
PRESSED AIR TO CLEAN THE LASER.
Field Calibration Check
This section provides instructions by which you can perform simple field calibration checks of your DEWALT Rotary Laser. These checks cannot take the place of professional calibration done by a DEWALT service center.
These instructions will help you check for the three types of
•Tilt Error - checks that rotation of the head in your Rotary Laser is perfectly level.
•Cone Error - checks that the laser beams are not at an angle relative to the level head.
•Plumb Error - checks the calibration of the plumb leveling vial.
TILT ERROR CHECKS
Horizontal Checking for Front to Back Tilt Error
•Set up a tripod midway between 2 vertical surfaces about 100' apart.
•Mount your Rotary Laser on a tripod so it is aimed
•Level the Laser, following the procedure in the “Horizontal Leveling” section of this manual.
•Quick Check:
1.Compare the position of the bubbles in the front and rear vials (Fig. AA).
2.If the two bubbles are not in about the same position in their vials, (both about centered) have your Rotary Laser calibrated at a DEWALT service center.
•Turn the unit on so that the lasers are on and rotating.
BEAM
APPROX. 50 FT. | APPROX. 50 FT. |
SURFACE 1 | SURFACE 2 |
FIG. AA - UNIT FACING RIGHT | |
BEAM |
|
APPROX. 50 FT. | APPROX. 50 FT. |
SURFACE 1 | SURFACE 2 |
FIG. BB - UNIT FACING LEFT
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