2.For Type 8720 systems, remove the dc terminal covers and power connections to each of the dc terminals. For Type 8730 systems, remove each power cord from the input power connections on the rear of the BladeCenter T unit.
3.Remove the KVM module from the rear of the system (see “Removing the KVM module” on page 57).
4.Remove the LAN module from the rear of the system (see “Removing the LAN module” on page 59).
5.Remove the rear panel.
6.Remove the I/O switch or filler that is below the lower flex circuit assembly that you are removing.
7.Using a screwdriver, loosen the two captive fasteners on the old lower flex circuit assembly.
Lower flex circuit assembly
Captive fasteners
8.Carefully remove the old lower flex circuit assembly by gripping the top edge of the assembly and pulling the unit out of the chassis.
9.Remove the new lower flex circuit assembly from the packaging.
10.Align the assembly so that the stamped position identifier ″BTM″ is facing you, and position the front end of the new lower flex circuit assembly into the assembly bay in the chassis, making sure the leading edge rests against the ceiling of the bay.
11.Carefully push the assembly all the way into the bay.
12.Using a screwdriver, tighten the two captive fasteners on the new lower flex circuit assembly.
Note: Torque the screws to 8
13.Reinstall the I/O switch they you removed.
14.If you have no other replacement procedures to perform at the rear of the system,
15.For Type 8720, reinstall dc terminal covers.
16.Reconnect the power to the system (see “Starting the BladeCenter T unit” on page 19).
Chapter 5. Service replaceable units 73
