IBM 7015-R50 Installation And Service Manual page 180

5. Record the location of the flex cable connectors.
6. If you are removing the flex cable connected to the horizontal connector on the I/O card,
remove the two large slotted mounting screws.
If you are removing the flex cable connected to the vertical connector on the I/O card,
remove the two guide pin mounting screws.
Attention: To prevent damage to the pins, do not use pliers to remove the two guide pin
mounting screws, use an open-end wrench.
7. Remove the fan located above the flex cable connector you are removing. Refer to the
"CPU Module Fans" removal procedure on page 4-50.
Flex Cable
Connectors
Guide Pin
Mounting
Screws
4-58
Service Guide
Large Slotted
Mounting Screws
CPU Module
Two Fans Are Shown Removed