13-2
Sun Fire E2900 System Service Manual • May 2006
13.1.1
Removing the Baseplane
1. Take the system to Standby mode.
See
Section 4.2, “Taking the System to Standby Mode” on page 4-2
.
2. Remove the four input power cables, AC0 through AC4 (
).
This action removes power to the system.
3. Make sure that the leveling feet are extended to the floor.
4. Extend and lock the system cabinet stabilization bar.
See
Section 3.1, “Sliding the System Out of the System Cabinet” on page 3-1
and
Section 3.2, “Sliding the System Into the System Cabinet” on page 3-5
.
Caution –
Failure to extend and lock the stabilizer bar before you slide a system out
of the rack will cause the system cabinet to tip over.
5. Prepare ESD surfaces to place the boards and components you will remove.
The fan tray, IB_SSC assembly, and power distribution board will need a large
amount of space.
6. Slide the system out of the system cabinet until the locking latches click.
See
Section 3.1, “Sliding the System Out of the System Cabinet” on page 3-1
7. Attach a wrist strap.
See
Section 2.8, “Antistatic Precautions” on page 2-6
8. Remove and label the I/O cables.
9. Remove and label the power cables.
10. Open the front doors.
11. Remove the main fan tray located at the front of the system.
See
Section 7.2.1, “Removing the Main Fan Tray” on page 7-7
12. Unseat all of the power supplies.
Section 8.1.1, “Removing a Power Supply” on page 8-3
13. From the right of the system, remove the IB_SSC board. Do not remove the I/O
cards.
See
Section 10.1.1, “Removing the IB_SSC Assembly” on page 10-2
.
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