GeoDesy FSO GD series - Manual (Page 52)

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52
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9.3.3 Fixing the heads
Your GD-2500 head can be fixed to its stand with
an Alignment Base Unit (ABU). On the figure you
can see an ABU, and a plinth of a
GD-2500 unit,
and the necessary fixing parts. The necessary nuts
and washers can be found on the legs of the head.
The steps of the fixing are:
• First, fix the ABU to the stand using the
washers and nuts
• Place the head to the ABU
• Fix the bolts with the nuts, using the washers
• Tight up all the nuts
9.3.4 Alignment of the heads
Steps of the head fixation
• Target Side B with the crosshair built in to the
head on Side A!
• Screw the two nuts up tight on both heads,
which are used for the fixing the vertical
direction, but be careful that the heads do not
move out from its position!
• Screw the three nuts up tight on both heads,
which are used for the horizontal fixation, but be
careful that the heads do not move out from its position!
• Repeat this on the other side of the link!