Removing a power supply unit
There are two power supply units (PSU) located at the rear of the chassis. The
following procedure can be used to remove either one of them.
Before you begin
Attach an ESD wristband to your wrist and the enclosure with the PSU you are
removing.
Procedure
1. If the shelf is installed with rear cable management arms (CMAs), open the
CMAs.
2. Disconnect the power cables from the PSU.
3. Refer to the previous figure. Release the PSU by turning the torque-limiting
screw handle counter-clockwise. Unscrewing the torque-limiting screw unseats
the PSU and draws it from the chassis.
4. Pull the PSU straight out from the chassis and place it on a clean, static-free
surface.
Replacing a power supply.
There are two Power Supply Units (PSU) located at the rear of the chassis. The
following procedure can be used to replace either one of them.
Before you begin
Attach an ESD wristband to your wrist and the shelf with the PSU you are removing.
Refer to as you perform the following steps:
Removing and Replacing FRUs
Removing a power supply unit 81
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