Hitachi CHROMASTER 5160 Instruction Manual page 819

Syringe valve
4
Plunger
wash
Syringe
Wash
fluid1
(10) [When two wash fluids are used]
Buffer tube
3 2
1
5
Wash
pump
P
3-way solenoid valve
Degassing
unit
Wash
fluid2
Wash of the injection port flow path with the wash fluid2.
Switch the 3-way solenoid valve to the wash fluid2 side.
Deliver the wash fluid2 via the needle to the injection port with
the wash pump to wash the flow path of the buffer tube and
the injection valve.
Injection valve
5
Loop
6
Waste
1
solution
Degassing unit
From Pump To Column
2 - 23
Needle
Injection port
4
3
Waste
2
solution
Wash port
Rack
Sample