Flex ALC 514 Operating Instructions Manual page 18

n
Set the receiver exactly at the level
of the laser beam and mark.
n
On completion of the work switch off the
receiver.
Checking precision
Caution!
The power tool may be adjusted by
authorised technicians only.
Note
The following specified procedures for
checking precision are simply options to
identify serious adjustment faults as well
as probable changes.
Vertical precision
n
Attach a standard plumb-bob just in front
of a wall or create a similar reference.
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Place the machine in front of the
reference and switch on the vertical
beam V1.
Compare vertical line and reference.
– Maximum deviation: 0.6 mm/m
n
Rotate the machine by 90° and repeat
the process with vertical beam V2.
Horizontal precision
Requirement for exact check:
– Vertical precision checked and within the
tolerance
18
n
Position the device at a distance of 10 m
parallel with a wall and switch on.
n
Mark laser point "A" on wall.
n
Rotate the device by 90° to the right and
mark laser point "B".
n
Rotate the device by 180° and mark
laser point "C".
n
Determine the horizontal difference
between points A, B and C.
– Maximum deviation: 2 mm
Line laser