1290 Infinity II High-Speed Pumps User Manual 133
8 Maintenance
Introduction to Maintenance 135
Warnings and Cautions 138
Overview of Maintenance 140
Cleaning the Module 141
Install Fittings and Capillaries 142
Remove and Install Doors 143
Replace the Shutoff Valve Panel 145
Replace the Pressure Sensor 146
Replace the Solvent Selection Valve (SSV) 148
Change Configuration or Replace the Jet Weaver 150
Replace the Seal Wash Pump 153
Replace the Inlet Valve (G7120A) 154
Replace the Inlet Valve (G7132A) 156
Release a Stuck Inlet Valve 158
Remove the Pump Head Assembly (G7120A) 160
Remove the Pump Head Assembly (G7132A) 163
Pump Head Maintenance (Tool Free) 166
Disassemble LongLife Pump Heads (G7120A) 167
Disassemble LongLife Pump Heads (G7132A) 171
Replace the Heat Exchanger (G7120A) 175
Replace the Heat Exchanger (G7132A) 177
Assemble LongLife Pump Heads (G7120A) 179
Assemble LongLife Pump Heads (G7132A) 185
Install the Pump Head Assembly (G7120A) 191
Install the Pump Head Assembly (G7132A) 193
Replace the Outlet Valve (G7120A) 195
Replace the Outlet Valve (G7132A) 198
Replace the Purge Valve Head 200
Replace Parts of the Purge Valve Head 202
Replace Parts of the High Pressure Filter Assembly (G7120A) 203
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