User manual

127
1260 Nanoflow Pump User Manual
Agilent Technologies
9
Maintenance
Introduction to Maintenance 128
Warnings and Cautions 129
Overview of Maintenance 130
Cleaning the Module 132
Early Maintenance Feedback (EMF) 133
EMF Counters 134
Using the EMF Counters 135
Checking and Cleaning the Solvent Inlet Filters 136
Exchanging the Active Inlet Valve Cartridge or the Active Inlet Valve 138
Removing the Active Inlet Valve 138
Exchanging the Valve Cartridge 139
Replacing the Active Inlet Valve Body 140
Exchanging the Outlet Valve Sieve 142
Exchanging the Solvent Selection Valve 144
Removing and Disassembling the Pump Head 146
Exchanging the Pump Seals and Seal Wear-in Procedure 148
Seal Wear-in Procedure 150
Exchanging the Pistons 151
Exchanging the Flow Sensor 153
Reassembling the Pump Head Assembly 154
Exchanging the Optional Interface Board 156
Replacing Module Firmware 157
This chapter describes the maintenance of the module.