running through the centers of the two leveling screw being adjusted.
Figure 4-1
b. Turn the leveling screw C to move the bubble to the center of the circular vial.
Figure 4-2
(4) Precisely leveling by using the plate vial
a. Rotate the instrument horizontally by loosening the horizontal clamp screw and place
the plate vial parallel to the line connecting leveling screw A and B, and then bring the
bubble to the center of the plate vial by turning the leveling screws A and B.
Figure 4-3
b. Rotate the instrument 90
0
around its vertical axis and turn the remaining leveling
screw or leveling C to center the bubble once more.
Figure 4-4
To Next Page
Loading...
