IBM Type 8730 Server User Manual


 
Docking board/blower housing assembly - (dc Type 8720 and ac Type
8730)
Complete the following steps to replace the docking board/blower housing
assembly.
Note:
v Read “Installation guidelines” on page 37.
v Read the safety notices at Safety information on page 113.
v Read “Handling static-sensitive devices” on page 40.
1. Shut down the system, and remove power from the system (see “Shutting
down the BladeCenter T unit” on page 21).
2. For Type 8720 (dc) systems, remove the dc terminal covers and power
connections to each of the dc terminals. For Type 8730 (ac) systems, remove
each power cord from the input power connections on the rear of the
BladeCenter T unit.
3. Remove the power modules from the bays at the front of the unit on the same
side of the docking board/blower housing assembly that you are replacing.
Note: The power modules dock into the docking board on the assembly and
must be removed before you can remove the assembly.
4. At the rear of the unit, remove the two blowers from the docking board/blower
housing assembly that you are replacing (see “Removing and installing blower
modules” on page 54).
5. Remove the KVM module from the rear of the system (see “Removing the
KVM module” on page 57).
6. Remove the LAN module from the rear of the system (see “Removing the LAN
module” on page 59).
7. Remove all I/O switches and switch fillers from the rear of the unit. See
“Removing and installing I/O modules” on page 60.
8. For Type 8720, remove the dc rear panel from the rear of the unit (see “DC
Rear Panel” on page 70). For Type 8730, remove the ac rear panel from the
rear of the unit (see “AC rear panel” on page 69).
9. Remove the two upper flex circuit assemblies (see “Upper flex circuit
assembly” on page 71) and the two lower flex circuit assemblies (see “Lower
flex circuit assembly” on page 72).
10. Loosen the two captive fasteners located above and below the power inlet
receptacles.
11. Loosen the captive fastener that attaches the old docking board/blower
housing assembly to the system chassis.
Chapter 5. Service replaceable units 75