Lenovo RD120 - ThinkServer - 6447 User Manual page 80

Statement 8:
CAUTION:
Never remove the cover on a power supply or any part that has the following
label attached.
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 an ac power supply, complete the following steps:
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ThinkServer RD120 Types 6444, 6445, 6446, and 6447: User Guide
Installed power supplies
Power supply 1
Power supplies 1 and 2
1
Hot-swap power supply 2
2
Power-supply-filler release lever
3
Power supply filler
Required
Fans in locations 3, 4, 8, 9, and 10
All 10 fans