Circular Level - Sokkia 130R Series Operator's Manual

4. Correct the remaining half of the
displacement by using the
adjustment pin to rotate the plate
level adjustment screw.
When the plate level adjustment
screw is turned in the
counterclockwise direction, the
bubble moves in the same
direction.
5. Rotate the top of the instrument
and continue adjustments until the
bubble remains centered for any
position of the upper part.
If the bubble does not move to the
center even when the adjustment
has been repeated, ask your
Sokkia agent to adjust it.
27.2

Circular Level

PROCEDURE Checking and adjusting
1. Perform the plate level inspection
and adjustment or carefully use
the plate level to level the
instrument.
"7.2 Levelling", steps 1 to 2.
2. Check the position of the bubble
of the circular level.
If the bubble is not off-center, no
adjustment is necessary.
If the bubble is off-center, perform
the following adjustment.
27. CHECKS AND ADJUSTMENTS
137