Fukuda Denshi FC101, Service Manual

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16
4.0
Horizontal-line Adjust
4.1 Inspection
(1) Place the instrument between two walls with the distance of 30m
(or two scaleplates with the distance of 30m)
(2) Place the instrument according to horizontal setting manner and then
adjust the instrument.
(3)Switch on the power, and then measure the middle point of the laser
beam on two walls(or scaleplates),There are hA、hB and hA’、hB’
(4) △1=hA-hA′, △2=hB-hB′
D-value between △1 and △2 ought to be less than 4mm.
4.2 Adjusting(Vertical)
If D-value between Δ 1and Δ 2 is more than 4mm ， adjust the
instrument in the same way of level adjusting. Please refer to the details
of Y-axis calibration in 3.0 and 3.1.
hA hB
0.5m
Approx. 30m
0.5m
Approx.30m
hB hA