Waters 1525M - Page 16

Table of Contents 16
Chapter 3
Preparing for Operation ................................................................... 46
3.1 Powering On and Selecting the Pump .................................. 46
3.2 Preparing the Pump.............................................................. 46
3.2.1 Priming the Pump ...................................................... 48
3.2.2 Equilibrating the Pump............................................... 49
3.3 Powering Off the Pump ......................................................... 50
Chapter 4
Maintaining the 1525 Pump ............................................................. 52
4.1 Maintenance Considerations ................................................ 52
4.2 Diagnostic Tests.................................................................... 53
4.2.1 Retention Time Stability Test ..................................... 53
4.2.2 Ramp-and-Decay Test ............................................... 53
4.3 Replacing 1525µ Plunger Seals and Plungers ..................... 55
4.3.1 Preparing for Plunger Seal Replacement .................. 55
4.3.2 Removing and Replacing the 1525µ Plunger Seal.... 57
4.3.3 Cleaning and Replacing 1525µ Plungers .................. 58
4.4 Replacing 1525µ Check Valves ............................................ 61
4.5 Replacing 1525EF Plunger Seals and Plungers................... 64
4.5.1 Preparing for Plunger Seal Replacement .................. 65
4.5.2 Removing and Replacing the 1525EF Plunger
Seal ........................................................................... 66
4.5.3 Cleaning and Replacing 1525EF Plungers................ 67
4.6 Replacing 1525EF Check Valves.......................................... 71
4.7 Replacing a Draw-Off Valve .................................................. 73
4.8 Replacing Fuses ................................................................... 75