Waters Alliance e2695 Operator's Manual page 15

7 Maintenance Procedures .................................................................................... 119
7.1 Maintenance considerations .................................................................................................... 119
7.1.1 Proper operating procedures ....................................................................................... 119
7.1.2 Reinitialize the system ................................................................................................. 119
7.2 Spare parts .............................................................................................................................. 119
7.3 Troubleshooting with Connections INSIGHT ........................................................................... 119
7.4 Safety and handling ................................................................................................................. 120
7.5 Maintain the solvent management system .............................................................................. 121
7.5.1 Overview ..................................................................................................................... 121
7.5.2 Remove the head, seal wash assembly, and plunger ................................................ 123
7.5.3 Notes on replacing the plunger seals ......................................................................... 124
7.5.4 Replace the seal wash assembly seals ....................................................................... 126
7.5.5 Clean and replace the plunger .................................................................................... 128
7.5.6 Replace an inlet check valve cartridge ........................................................................ 129
7.5.7 Replace the in-line filter .............................................................................................. 131
7.6 Maintain the sample management system .............................................................................. 133
7.6.1 Remove side panel of separations module.................................................................. 135
7.6.2 Replace the lower needle wash frit (if so equipped) .................................................... 136
7.6.3 Replace the injector needle and seal pack .................................................................. 141
7.6.4 Clean the sample compartment ................................................................................... 147
8 Diagnostic Testing and Troubleshooting ......................................................... 149
8.0.1 Proper operation .......................................................................................................... 149
8.1 Safety and handling ................................................................................................................. 149
8.2 Use the error log ..................................................................................................................... 150
8.3 Perform main diagnostic tests ................................................................................................. 150
8.3.1 Exit the Diagnostics screens........................................................................................ 151
8.3.2 Prime the plunger seal wash pump ............................................................................. 152
8.3.3 Perform the compression check ................................................................................. 152
8.3.4 Prime the needle wash pump ..................................................................................... 154
8.3.5 Adjust the seals ........................................................................................................... 154
8.3.6 Service utilities diagnostic tests ................................................................................... 156
8.4 Perform other diagnostic tests and functions .......................................................................... 156
8.4.1 Perform the motors and valves diagnostic test............................................................ 157
8.4.2 Sensors diagnostic function......................................................................................... 159
8.4.3 Static leak test ............................................................................................................. 161
8.4.4 Valve leak test.............................................................................................................. 162
8.4.5 Head removal and replacement function .................................................................... 163
February 27, 2018, 715003794 Rev. C
Page xv