IBM 9179-MHB Power Supply User Manual


 
6. At the front of the expansion unit, slide the cable retention bracket for the power supply that you
want to remove, to the open position (A). Disconnect the cable (B) as shown in Figure 13.
7. Attach the wrist strap.
Attention:
v Attach a wrist strap to an unpainted surface of your hardware to prevent electrostatic discharge
(ESD) from damaging your hardware.
v When using a wrist strap, follow all electrical safety procedures. A wrist strap is for static control. It
does not increase or decrease your risk of receiving electric shock when using or working on
electrical equipment.
v If you do not have a wrist strap, just prior to removing the product from ESD packaging and
installing or replacing hardware, touch an unpainted surface of the system for a minimum of 5
seconds.
8. Rotate the power supply locking handle (A) to the open position, as shown in Figure 14 on page 15.
Pull out the power supply from the expansion unit.
Figure 13. Disconnecting the power cable from the front of an expansion unit
14 Power Systems: Power supplies for the 9117-MMB or 9179-MHB