IBM S85 pSeries 680 User Manual

5. Remove the front power shield covering the bulk power supplies. Refer to “Bulk
Power Supplies and Front Blowers (Front View)” on page 548.
6. Remove the screws from the bulk power supplies, and blower assemblies. (Note
the screws for the bulk power supplies should be saved for use later when
reinstalling the supplies).
7. Slide out the bulk power supplies and blower assemblies far enough so that they
are disconnected from their connectors.
8. Move to the rear of the system. Mark and remove all cables at the rear of the
system
9. Refer to “AC Box Assembly and Rear Blowers (Rear View)” on page 550 for AC
box and rear blowers, and then perform the following steps from the rear of the
system.
10. Remove the rear blower EMC shield.
11. Remove the rear blowers. Refer to “Internal Shields (Front and Rear)” on page 542
for the regulator EMC shield and then perform the following steps from the rear of
the system.
12. Remove the regulator EMC shield that covers the power regulators. Refer to “Rear
Cage” on page 505 and “System Backplane Assembly” on page 503 for system
rack regulators and then perform the following steps from the rear of the system.
13. Mark the regulators and their locations so that you can reinstall them in the correct
locations.
14. Remove the power regulators.
15. Remove the SPCN card assembly.
16. Label and remove the processor, adapter, and memory cards.
17. Carefully remove the top row of screws that are near the alignment pins inside the
CEC/regulator cage. Do not allow the screws to be dropped down inside the
system.
18. Remove the screws that are near the connectors in the lower-left and lower-right
corners inside the CEC/regulator cage.
19. Remove the screws from the right cage retaining bracket and remove the bracket.
20. Remove the screws in the sides and bottom of the CEC/regulator cage and slide
the cage out 15 cm (6 inches).
21. Disconnect the power cables that are connected to the lower-right and lower-left
corners of the regulator backplane assembly. Refer to “Power Subframe (Rear
View, 1 of 3)” on page 558 for power subframe assembly parts and then perform
the following steps from the rear of the system.
22. Remove the screws from the top and bottom of the power subframe assembly.
Save these screws to replace the power subframe.
23. Remove the power subframe assembly, EMC shield, and ac box as one unit and
set aside.
Replacement
Replace in reverse order.
506 Service Guide

IBM S85 pSeries 680 Specifications

General

Brand	IBM
Model	S85 pSeries 680
Category	Server
Language	English