Anthos A7 Service Manual 2021 [verified] -

Place a precision spirit level across the chair's lower guide rails. Adjust the leveling bolts under the base plate until the machine achieves absolute horizontal alignment along both its longitudinal and transverse axes. Step 3: Module Geometry Alignment

for a dental unit (non-model-specific), which you could adapt for your Anthos A7. anthos a7 service manual 2021