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Circularvial
Circularvialadj.screw
[Adjustments]
① If the bubble of the plate level moves from the centre, bring it half way back to the centre
by adjusting the levelling screw(s) which is parallel to the plate level.
② Correct the remaining half by adjusting the bubble adjusting nuts with the adjusting pin.
③ Confirm that the bubble does not move from the centre when the instrument is
rotated by 180°.
④ When the bubble moves, repeat from (1) once again.
12.2 Circular vial
[Checks]
① Adjust by the plate level vial beforehand.
② Confirm the position of the bubble of the circular vial.
At this time, it is not necessary to adjust if the bubble is at the centre of the circle.
[Adjustments]
When the bubble of the circular vial comes off from the centre according to check procedure
②,it is necessary to adjust.
Turn the bubble adjustment screws with the reticle adjustment pin and put the bubble in the
centre of the circle.
• Tighten the screws equally after the above adjustment.
[Only the detaching type model]
Turn the bubble adjustment screws with the reticle
adjustment pin and put the bubble in the centre of the circle.
• Tighten the screws equally after the above adjustment.
Platelevel
Bubbleadjustscrew
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