1                                                                                      2

       The  coupling on Z axis.                                              Use supplied wood turn clockwise…
                                                                                                to move Z head up…

                                      3                                                                                             4

                        
        Remove the wood block.                                                 Then turn counter-clockwise.. to move 
                                                                                                      Z head down. The counter balancing
                                                                                                      will move up just enough…

                                           5                                                                                   6

                           
          To move the locking bar on back of                           Install AC servo motor.
          column.