10 STRUCTURE AND FUNCTION
COMPONENT PARTS OF HYDRAULIC SYSTEM
SUCTION SAFETY VALVE FOR HYDRAULIC DRIFT PREVENTION VALVE OF
CONTROL VALVE
OPERATION OF SUCTION SAFETY VALVE FOR HYDRAULIC DRIFT PREVEN-
TION VALVE OF CONTROL VALVE
When the abnormally high pressure occurs
AEP21610
PC500LC-10R
10-183