User manual

107
Bio-inert Quaternary Pump User Manual
Agilent Technologies
9
Maintenance
Introduction to Maintenance 108
Warnings and Cautions 109
Overview of Maintenance 111
Cleaning the Module 112
Checking and Replacing the Solvent Filter 113
Exchanging the Active Inlet Valve (AIV) or its Cartridge 114
Exchanging the Outlet Valve 117
Exchanging the Purge Valve Frit or the Purge Valve 119
Removing the Pump Head Assembly 122
Seal Wear-in Procedure 125
Maintenance of the Pump Head 126
Reinstalling the Pump Head Assembly 129
Exchanging the Multi-Channel Gradient Valve (MCGV) 131
Exchanging the Optional Interface Board 134
Replacing the Module’s Firmware 136
This chapter describes the maintenance of the module.