TX2550 M4 Upgrade and Maintenance Manual 155
6.3.3 Replacing the power distribution board
6.3.3.1 Preliminary steps
Ê "Locating the defective server" on page 49
Ê "Suspending BitLocker functionality" on page 105
Ê "Shutting down the server" on page 52
Ê "Disconnecting the power cord" on page 53
Ê "Getting access to the component" on page 54
Ê "Removing the system air duct" on page 67
Ê "Removing the PCI air duct" on page 86
Ê If applicable, "Removing the riser module" on page 84
Ê "Removing the crossbar" on page 88
6.3.3.2 Removing the power distribution board
Ê Remove the PSU from bay 2, see section "Removing a PSU" on page 142.
Ê Remove the power distribution board, see section "Removing the power
distribution board" on page 152.
6.3.3.3 Installing the power distribution board
Ê Install the power distribution board, see section "Installing the power
distribution board" on page 150.
Ê Install the PSU into bay 2, see section "Installing a PSU" on page 140.
6.3.3.4 Concluding steps
Ê "Installing the crossbar" on page 89 .
Field Replaceable Unit
(FRU)
Hardware: 10 minutes
Tools: Phillips PH1 / (+) No. 1 screw driver