IBM System/36 Maintenance Information Manual page 50

340 B1 Board Removal and Replacement Procedures
To remove the 81 board:
Note: Label all cards as to which location they were removed from. This will be of help to you when you
reinstall the cards.
1. Power off the 5363 and disconnect the power cord at the customer power outlet and the 5363.
2. Remove the covers ("305 Cover Removal" on page 3-2).
3. Remove all cards plugged into the BI board.
4. Remove power connectors P4 and P5.
5. Remove the two screws securing the board to the logic board gate.
6. Pull and slide the BI board out of the Al board connectors BI-G.
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5363 Maintenance Information