IBM 2193 Maintenance Service Manual page 115

Removing Adapter Cards
Follow these steps to remove an adapter card:
Position the system unit so that the card is accessible to
you.
If the adapter card has cables, disconnect them. Be sure
to take note of where the cable is connected. You will have
to reconnect these cables when you reinstall the card.
Remove the adapter card screw
Firmly hold the adapter card and carefully pull it from the
card connector.
If you are not reinstalling the card, reinstall all other
hardware and screws that were removed prior to the
removal of the adapter card.
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