Inspection And Adjustment; Tubular Vial - Prexiso T.O.2 Manuel De L'utilisateur

5 Inspection and Adjustment

5.1 Tubular Vial

Inspection
Adjustment
1. Fix the instrument to the tripod and roughly level up the instrument and make
the tubular vial parallel to the connecting line of two of the three leveling screws
on the base. Adjust the two leveling screws so that the tubular vial is centered.
2. Turn the instrument 180° and check if the water bubble remains at the center.
3. If the water bubble remains at the center, no adjustment is required; otherwise,
perform adjustment as follows.
1. Adjust the bubble adjusting screw so
that the bubble moves toward tube
center for half the off-center.
2. Turn the leveling screw to correct the
other half off-center so that the
bubble stays at the center.
3. Repeat the steps in "Inspection" and
"Adjustment" until the long water
level is centered when the instrument
is at any position.
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