Agilent Technologies Infinity II 1290 User Manual page 134

7
Maintenance
Replace the Multi Purpose Valve
3
Put the new valve head onto the valve drive such that the
lobe fits to the groove. Screw the valve head onto the
valve drive using the union nut.
The central (C) port is connected to the outlet of the pressure sensor.
• Port 1 is connected to the outlet of the optional Jet Weaver
• Port 2 is connected to the inlet of the optional Jet Weaver
• Port 3 is blocked by a blank nut (plastic)
• Port 4 is connected to the system (typically multisampler)
• Port 5 is connected to the outlet of the inline filter
• Port 6 is blocked by a blank nut (SST)
• Port 7 is connected to the waste capillary
• Port 8 is connected to the inlet of the inline filter
Block unused ports with blank nuts.
134 Agilent 1290 Infinity II Flexible Pump User Manual