Hitachi ZAXIS 135US-5B Operator's Manual page 59

9.
Sign indicates a hazard of a flying plug from track adjuster
that could cause injury.
Read manual before adjusting track for safe and proper
handling.
10.
Sign indicates a burn hazard from compressed air and
spurting hot oil if the oil inlet is uncapped during or right
after operation.
Read manual for safe and proper handling.
Sign indicates a burn hazard from spurting hot water or oil if
radiator or hydraulic oil tank is uncapped while hot.
Allow radiator or hydraulic oil tank to cool before removing
cap.
11.
Sign indicates a hazard of falling.
Do not stand on this place.
SAFETY SIGNS
A
B
S-45
SS3086091
SS4459928
SS4420336
SS3092126