IBM 4500R Hardware Maintenance Manual - Page 115
Removing the power supply backplane, Remove the cover. See
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Removing the power supply backplane 1 Backplane 2 Insulator 3 Screws (2) 4 Plastic retainer To remove the power supply backplane: 1. Remove the cover. See "Removing the cover and bezel" on page 47. 2. Remove power supplies from the backplane 1 . 3. Disconnect cables from the backplane. 4. Remove the two screws 3 . 5. Remove the plastic retainer 4 . 6. Remove insulator 2 and replace on new backplane. FRU information (service only) 107
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FRU information (service only)
107
Removing the power supply backplane
±
1
²
Backplane
±
2
²
Insulator
±
3
²
Screws (2)
±
4
²
Plastic retainer
To remove the power supply backplane:
1.
Remove the cover. See
“
Removing the cover and bezel
”
on page 47.
2.
Remove power supplies from the backplane
±
1
²
.
3.
Disconnect cables from the backplane.
4.
Remove the two screws
±
3
²
.
5.
Remove the plastic retainer
±
4
²
.
6.
Remove insulator
±
2
²
and replace on new backplane.