Agilent Technologies G4782A, User Manual

Page: 122 / 202

122 1260 SFC Binary Pump
8
Maintenance
Exchange the Solvent Selection Valve
Exchange the Solvent Selection Valve
When If leaking internally (crossflow between the ports), or if one of the channels is blocked
Tools required p/n Description
8710-0899 Screwdriver, Pozidriv #1
Parts required p/n Description
G1381-60000 Solvent Selection Valve Upgrade Kit
Preparations Switch off the pump at the main power switch
1
Lift solvent bottles out of the solvent cabinet and place
them on the table. Disconnect the solvent tubes from the
solvent selection valve and empty the tubes into the
bottles. Place the bottles back into the solvent cabinet.
2
Disconnect all tubings from the solvent selection valve.
3
Using a Pozidriv screwdriver #1 loosen the holding
screws of the valve holder.
4
Carefully pull the valve holder out and disconnect the
valve cable at the connector.