Chapter 8. Add, Check, Adjust, Remove, and Replace
Procedures
“CRUs and FRUs”
“Required Library State” on page 8-2
“Required Tools” on page 8-3
“Electrostatic Discharge” on page 7-4
“Preparing a Library or Library Module for Repairs” on page 8-4
“Returning a Library or Library Module to Normal Operations after Repairs” on page 8-4
“Removing/Replacing a Control Module” on page 8-4
“Removing/Replacing an Expansion Module” on page 8-19
“Removing/Replacing Rack Ears” on page 8-20
“Verifying Front and Rear Gear Racks Alignment” on page 8-22
“Front Panel Components” on page 8-26
“I/O Station” on page 8-33
“Rear Panel Components” on page 8-43
“Internal Components” on page 8-54
“Y-axis/Picker Assembly” on page 8-55
“Original Picker Assembly” on page 8-59
“Y Motor” on page 8-61
“M2 Robot Assembly” on page 8-67
“M2 Picker Assembly” on page 8-72
“Removing/Replacing a Storage Column” on page 8-96
“Cable Spool Assembly” on page 8-100
“Removing/Installing Library Foot Pads” on page 8-121
“Manual Cartridge Removal from a Drive” on page 8-122
Before you begin servicing the library, refer to “General Service Guidelines” on
page 7-3. Make sure all media is removed before any parts are returned to IBM.
CRUs and FRUs
All electrical and non-static mechanical components of the 3576 Tape Library are
either customer replaceable units (CRU) or field replaceable units (FRU). A CRU is
a component that customers can remove or replace themselves, whereas a FRU is a
component that only service personnel should remove or replace.
When servicing a FRU, you may also need to service a CRU. Therefore, all CRUs
and FRUs for the library are itemized in the following table.
Table 8-1. Library FRUs and CRUs
Part Name CRU/FRU Reference Information
Cable Spool FRU “Cable Spool Assembly” on page 8-100
© Copyright IBM Corp. 2005, 2010 8-1
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