IBM System x3750 M4 Installation And Service Manual page 13

Statement 4
Three graphic illustrations for safety practices when lifting the server
≥ 18 kg (39.7 lb.) ≥ 32 kg (70.5 lb.) ≥ 55 kg (121.2 lb.)
CAUTION:
Use safe practices when lifting.
Statement 5
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current from
the device, ensure that all power cords are disconnected from the power source.
Statement 6
CAUTION:
Do not place any objects on top of a rack-mounted device unless that
rack-mounted device is intended for use as a shelf.
xi
Safety