Thermo Scientific Dionex UltiMate 3000 Series Operating Instructions Manual page 6

UltiMate 3000 Series:
NCS-3500RS and NCP-3200RS
7.4.3 Cleaning the Detector Electrodes ................................................................. 181
7.5 Replacing the Check Valve Cartridges .................................................................. 182
7.6 Pistons and Piston Seals ......................................................................................... 184
7.6.1 Visually Inspecting the Pump for Piston Seal Leakage ................................ 186
7.6.2 Pump Head and Pistons ................................................................................ 188
7.6.3 Replacing the Piston Seals ............................................................................ 194
7.7 Flow Meter ............................................................................................................. 202
7.7.1 Replacing the Flow Meter ............................................................................ 202
7.7.2 Replacing the Flow Selector in a Classic Flow Meter .................................. 204
7.7.3 Replacing the Filter Frit in a ProFlow Flow Meter ...................................... 205
7.8 Installing and Removing Solvent Shut Off Valves ................................................ 206
7.9 Inline Filter (Loading Pump) ................................................................................. 208
7.9.1 Checking the Filter Frit for Permeability ...................................................... 208
7.9.2 Replacing the Inline Filter ............................................................................ 208
7.9.3 Replacing the Filter Frit in the Loading Pump ............................................. 209
7.10 Replacing the Purge Screw (Loading Pump) ......................................................... 210
7.11 Testing the Loading Pump for Leakage ................................................................. 211
7.12 Column Switching Valve ....................................................................................... 213
7.12.1 Replacing the Column Switching Valve ....................................................... 213
7.12.2 Replacing the Valve Stator and Rotor Seal .................................................. 214
7.13 Replacing the Main Power Fuses ........................................................................... 216
7.14 Updating the Firmware .......................................................................................... 217
8 Module-Specific Information ................................................................................... 219
8.1 NC Pump ................................................................................................................ 220
8.1.1 Interior Components (Detailed View) .......................................................... 220
8.1.2 Flow Path ...................................................................................................... 221
8.1.3 Operating Principle ....................................................................................... 222
8.2 Loading Pump (Micro Pump) ................................................................................ 226
8.2.1 Interior Components (Detailed View) .......................................................... 226
8.2.2 Flow Path ...................................................................................................... 227
8.2.3 Operating Principle ....................................................................................... 228
8.3 Column Compartment ............................................................................................ 229
8.3.1 Interior Components ..................................................................................... 229
8.3.2 Operating Principle ....................................................................................... 230
9 ProFlow Flow Meter Upgrade ................................................................................. 231
9.1 Modifying the Module with a ProFlow Flow Meter .............................................. 231
9.2 Guidelines on Operating the ProFlow Flow Meter ................................................ 234
10 Technical Information .............................................................................................. 235
11 Accessories, Consumables, and Spare Parts ........................................................... 239
11.1 Standard Accessories ............................................................................................. 239
11.2 Optional Accessories.............................................................................................. 242
11.3 Consumables and Spare Parts ................................................................................ 243
Page iv Operating Instructions