IBM 6151 Maintenance And Service Manual page 450

Power Supply Removal
1. Do the "Top Cover Removal" on page 4-12_
2. Disconnect the external power cable and if present, the display
power cable, at the power supply.
3. Remove the cooling fan assembly (page 4-38).
4. Disconnect the power cables from the system board (2), the
fixed-disk drive, and the diskette drive. If needed, slide the
fixed-disk drive and diskette drive part way out.
5. Disconnect the signal cables and ground wire from the
fixed-disk drive and diskette drive.
Pow.r Connector
Power Connector
AJZB033
4-40
Service Manual