Operations and Maintenance Manual Mechanical Maintenance Procedures
Version 1.2 - June 2004 11 - 73
1/4-20 hold down screw and 1/4-20 adjusting setscrew pairs located around
the base of the robot:
For each pair requiring adjustment:
a. Using a 3/16-in. hex key, loosen the 1/4-20 hold down screw by rotating it
counterclockwise.
b. Using a 1/8-in. hex key, rotate the 1/4-20 adjusting setscrew as needed to
meet the goal.
c. When the goal has been met, retighten all the 1/4-20 hold down screws by
rotating them clockwise to firm.
4. Go on to Level the Robot End Effector, immediately below.