Service manual

Z Motor
4-52 Revision L 96022
StorageTek Protected
Note: Notice the position of the tension spring. When you replace it, you will need to insert the back
of the spring through the hole in the motor flange, route it beside the screw, and snap it
between the Z drive base and the retention screw’s captive washer.
CAUTION:
Equipment damage: Do not turn the Z clamp screws. If you do, you must return the
library to Manufacturing for repair.
CAUTION:
Equipment damage: Gently remove the tension spring so you do not bend it.
9. Gently remove the tension spring.
10. Apply pressure to move the motor to the right, and slip off the belt.
1. Tension spring
2. Z clamp screws
11. Remove the two inner front screws previously loosened, and remove the motor.
12. Reverse the steps to replace the FRU.
Notes: Leave the two inner front screws loose until you place the Z belt over the Z motor pulley and Z
drive.
Place the Z motor cables so they do not interfere with the theta pulley when the robot is at its
lowest position.
13. Go to “Restoring Operation” on page 4-79.