Hitachi CHROMASTER 5160 Instruction Manual page 27

Auto purge valve
Port 1 (Flow path for the system
Port (Flow path for waste fluid)
Fig. 2-3 Front View of the Pump with Auto Purge Valve
Flow path filter
Plunger wash mechanism
Pressure sensor
Check valve
(Discharge side)
Check valve
(Intake side)
2 - 2
Pump head 1
Pump head 2
Leak sensor
Drain tray