Circular Vial - Horizon Fitness HTS-580 Series Operation Manual

5. Move instrument CCW and rotate the next right level screw to center the plate
vial bubble again.
6. Now, move CCW to the next position and check to see if the bubble is
centered.
7. If the plate vial bubble is not centered, remove 1/2 of the error with right level
screw and 1/2 of the error with the plate vial adjusting screw.
8. Repeat steps 4, 5, and 6.
9. If there is still an offset error with the plate vial bubble repeat procedure until
bubble is centered.

12.2 Circular Vial

Inspection
No adjustment is necessary if the bubble of the circular vial is in the center
aftcr inspection and adjustment of the plate vial.
Adjustment
If the bubble of the circular vial is not in the center bring the bubble to the
center by using the adjusting pin or hexagon wrench to adjust the bubble adjusting
screw. First loosen the screw opposite to the offset side and then tighten the other
adjusting screw on the offset side, bringing the bubble to the center. After the bubble
stays in the center each of the three adjustment screws should be tightened in a
uniform manner.
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