IBM 2220 Nways 300, Service Manual

Page: 153 / 264

4
Ÿ
Record carefully:
– The position of each module installed
at the rear of the machine.
– The cable positions and check labels
for easy reinstallation.
Ÿ
Removing cables.
Important
Cable connectors can be damaged
when removing cables on switch or
switch redrive module. Maintain the
cables firmely while removing the
cables from the connectors to avoid
any effort which can damage the
connectors.
– Loosen the screws that secure the
cables progressively and alternatively
on top and bottom.
– Remove the cables.
5
Ÿ
Remove all modules:
– For a DCDx module, unscrew the
knobs and pull them out of the
machine.
– For each other module, loosen the
screws on the latches.
– Unlock the latches as shown, then
remove the module from its location.
or
Chapter 6. 2220 FRU Exchange
6-35