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4.3 Leveling with the Plate level
After [4.2 Leveling with the circular vial] is completed,instrument must be
leveled with plate vial.
Place the plate vial in parallel with a line joining any two of the leveling
screws.By rotating two leveling screws in the opposite direction of
each other,position the bubble in the center of the vial (See A)
Rotate the plate vial through 90°,position the bubble in the center of
the vial by operating the remaining one leveling screw (See B)
Confirm if the bubble stays in the center by rotating the
instrument 180°.
If the bubble moves,repeat procedure and .
For the relationship between the screw adjusting direction and bubble
moving direction,refer to the arrows of following figures.Bubble will
move to the left in figure A,while in figure B moves upward.
When the bubble is not positioned in the center by repeating procedure
and in procedure 4.2 ,adjustment is required.
(Refer to [6.Inspection and Adjustment.])
1
2
3
1
2
1
2
(A) (B)
Plate vial