IBM RS/6000 7043 43P Series Supplemental Service Manual page 9

4. To remove the disk drive bracket, refer to the "Removing Internal Drive" section of
the RS/6000 7043–43P Series Service Guide . Carefully place the bracket assembly
on top of the power supply (leave the hard files plugged in).
Note: Disconect temporarily any PCI Adapter Card installed in slot 5 in order to
remove the disk drive bracket.
5. Locate the CPU fansink on the planar under the disk drive and unplug it.
6. Unclip the heatsink by pushing down and away on the finger tab.
7. Tilt the fansink toward the front of the system and slide the narrow buckle off the
front socket tab.
8. Remove the defective fansink assembly and discard.
Note: Do not wipe off the remaining thermal grease from the top of the existing
CPU chip on the system board assembly.
Chapter 1. 7043–140 and 7043–150 Fansink Removal and Replacement Procedures
Fansink Location
3