Hitachi 120-3 class Operator's Manual page 48

SAFETY SIGNS/Europe/Asia/Middle and Near East Model Only
15.
Sign indicates a crush hazard by rotation of upper structure
of the machine.
Keep away from swinging area of machine.
16.
Sign indicates a burn hazard from spurting hot water or oil if
radiator or hydraulic tank is uncapped while hot.
Allow radiator or hydraulic tank to cool before removing
cap.
17.
Sign indicates a hazard of rotating parts, such as belt.
Turn off before inspection and maintenance.
S-36
SS3086090
SS4420336
SS3092127