PowerVault ML6000 Maintenance Guide 179
10 Close the module’s doors.
11 Power on the library.
Removing and Replacing the Model 1 Y-Carriage Assembly
The Y-carriage assembly enables the picker to move up and down the length of the library, from one module
to another. The Y-carriage assembly, along with the picker assembly, makes up the entire robot assembly.
These instructions explain how to remove the Y-carriage assembly and replace it with a new one. To replace
the Y-carriage assembly, you must remove the entire robot assembly (the Y-carriage assembly and the
picker assembly) from the library.
Required tools:
• Phillips #2 screwdriver, for removing and replacing the top cover plate
• T10 TORX screwdriver, for loosening and tightening the thumbscrew that attaches the cable spool
clip to the robot assembly
1 Remove the robot assembly from the library, following the complete instructions in Removing the Model
1 and Model 2 Robot Assemblies from the Library on page 165.
The X-axis flex cable connection is necessary to provide the power-
off braking feature to the robot assembly.
After you finish installing the picker and connecting the cable, test
the installation. To do this, support the robot assembly under the
broad metal X-axis base plate and lift the assembly. (Do NOT lift by
the thin metal rod or the black plastic picker body.) You should feel
resistance as you lift the robot assembly. Next, place one hand below
the robot assembly and allow the assembly to fall to your hand. It
should descend slowly. If you feel no resistance, or if the robot
assembly falls quickly, re-check the X-axis cable connection.
Failure to perform these steps may result in damage to the robot
assembly.
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