ETS-Lindgren 2115 Multi-Axis Positioning Systems (MAPS) - Manual (Page 22)

22 | Installation
9. When all anchor plates are securely mounted, remove the 1/4–20 screws that hold
the anchor plates to the base. Discard the screws.
10. Use a bubble level to verify the turntable unit is flat. This is a preliminary check only;
final leveling of the turntable will be completed in a later step.
11. Use shim plates to level the table. The shim plates will remain in place after the
installation.
U PPER D RIVE U NIT R EMOVAL
When installing the MAPS in an existing chamber, it may be necessary to
remove the upper drive unit to avoid damage to the chamber or to the MAPS.
Following are the steps to separate the upper and lower drive units. See
assembly drawings 111040, 109987, and 110073 located in the back pocket of
the manual for details.
12. Prior to disconnecting the fiber optic cables from the upper drive unit, label and mark
the locations for reconnection.
13. Verify the fiber optic cables to the upper motor base are not switched.