Models 830/Sb2 With Fc 9074 - Power Supply (Pp1 And Pp2) - IBM iSeries 270 Service Manual

5. Remove the three power supplies. (See "FC 5074, FC 5079, FC 9074, FC 9079 - Power supply -
P00, P01, P02, and P03" on page 149.)
6. Remove the four batteries (see Models 830/SB2 with FC 9074 - Battery - T01 through T04).
7. Remove the screws from the power subframe assembly.
8. From the front of the tower, reach through the frame and remove the cables from the backside of the
power distribution backplane and note their locations.
9. From the rear of the tower, remove the mounting screws that hold the power distribution backplane to
the frame.
10. Pull the power distribution backplane slightly towards you and lift it up to remove it from the frame.
11. Install the power distribution backplane by reversing the removal procedure. After exchanging an item,
go to "Verify the repair" on page 558.
This ends the procedure.

Models 830/SB2 with FC 9074 - Power supply (PP1 and PP2)

For use by authorized service providers.
Use this procedure to remove or replace the Power supply (PP1 and PP2) in the Models 830/SB2 with FC
9074.
To remove or replace the Power supply (PP1 and PP2):
1. Do not power off the system.
Note: Remove and replace only one power supply at a time.
2. Open the rear cover. (See "Models 830/SB2 with FC 9074 - Covers" on page 58.)
Analyze hardware problems
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