Lenovo 5457 Installation And Service Manual page 78

Hazardous voltage, current, and energy levels are present inside any component that has this label
attached. There are no serviceable parts inside these components. If you suspect a problem with one
of these parts, contact a service technician.
To install a non-hot-swap power supply on 4U server models with non-hot-swap power supplies, complete
the following steps.
1. Read the safety information in
2. Touch the static-protective package that contains the non-hot-swap power supply to any unpainted
metal surface on the server; then, remove the power supply from the package and place it on a static-
protective surface.
3. Turn off the server and all attached devices; then, disconnect all power cords and external cables.
4. Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
5. Remove the side cover (see
6. Remove the air baffle (see
7. Remove the heat sink (see
8. Position the power supply in the chassis so that the screw holes in the power supply are aligned with the
corresponding holes in the rear of the chassis.
Figure 49. Non-hot-swap power supply alignment with chassis for 4U server models with non-hot-swap power
supplies
Note: Make sure that the top and the bottom of the power supply align with the upper and lower tabs on
the opening.
Lenovo System x3100 M5 Installation and Service Guide
66
"Safety" on page v and
"Removing the side cover" on page
"Removing the air baffle" on page
"Removing the microprocessor and heat sink" on page
"Installation guidelines" on page
34).
36).
31.
289).