Komatsu PW160-7H Operation & Maintenance Manual page 44

PRECAUTIONS FOR MAINTENANCE
WARNING: For reasons of safety, always follow these safety precautions.
RADIATOR WATER LEVEL
If it is necessary to add water to the radiator, stop the engine
●
and allow the engine and radiator to cool down before adding
the water.
Slowly loosen the caps to relieve pressure before removing
●
the caps.
USE OF LIGHTING
When checking fuel, oil, coolant, or battery electrolyte, always
●
use lighting with anti-explosion specifications.
If such lighting equipment is not used, there is danger of
explosion.
44
SAFETY
PW160-7H VEAM390100