Exchanging The Active Inlet Valve (Aiv) Or Its Cartridge - Agilent Technologies 1260 Infinity VL User Manual

9
Maintenance

Exchanging the Active Inlet Valve (AIV) or its Cartridge

Exchanging the Active Inlet Valve (AIV) or its Cartridge

When If internally leaking (backflow)
Tools required Description
Wrench, 14 mm
Pair of tweezers
Parts required #
1
1
1
1
Preparations • Switch off pump at the main power switch and unplug the power cable.
• Use an optional solvent shutoff valve or lift up solvent filters in solvent reservoirs for avoiding
The active inlet valve can be installed for highest method backward compatibility or special
N O T E
applications.
By default, 1260 Infinity pumps do not have an active inlet valve. If an AIV shall be installed,
N O T E
please contact your Agilent service representative.
1 Remove the front cover.
2 Unplug the active inlet valve cable from the connector.
3 Disconnect the solvent inlet tube from the inlet valve (be aware that solvent
4 Unscrew the adapter from the active inlet valve.
136
p/n Description
G5699A Active Inlet Valve Upgrade Kit
includes service and the parts listed below
G1312-60025 Active inlet valve body, without cartridge (OPTIONAL)
5062-8562 Active Inlet Valve Cartridge (400 bar)
G1311-67304 Connecting tube, MCGV to AIV
leakages.
may leak out of the tube due to hydrostatic flow).
1260 Infinity QuatPump VL User Manual