DeWalt DW087K Original Instructions Manual page 54

E N G L I S H
Level check (fi g. G1 & G2)
• Place the tool in an area with a wall of at least 9 m length. Mount the
tool to one end of the wall.
• Position the tool at an angle of 90° to the left.
• Switch on the horizontal laser beam.
• Mark the centre of the laser beam at one-third distance (16) and at
two-third distance (17) on the wall.
• Switch off the tool.
• Mount the tool to the other end of the wall.
• Position the tool at an angle of 90° to the right.
• Switch on the horizontal laser beam.
• Switch on the tool, align the laser beam with the wall marking (17) and
mark the laser beam at two-third distance (18) on the wall.
• Switch off the tool.
• Measure the difference between the markings (16 & 18).
• If the difference between the markings is 6 mm or less, the tool is
properly calibrated.
• If the difference between the markings is more than 6 mm, the tool
must be serviced.
Plumb check (fi g. H1 & H2)
• Place the tool on the fl oor in an area with a ceiling of at least 2.5 m
height.
• Mark a line of 1.5 m length (19) on the fl oor. Position the tool at one
end of the fl oor marking (19).
• Switch on the vertical laser beam.
• Align the laser beam with the fl oor marking (19).
• Mark the centre of the laser beam at one-third distance (20) and at
two-third distance (21) on the ceiling.
• Switch off the tool. Position the tool at the other end of the fl oor
marking (19) facing the marking.
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