Microfluidics Microfluidizer LM20 User Manual page 4

3.8.1 Hydraulic System ........................................................................................................................ 15
3.8.2 Utility Hookups ........................................................................................................................... 15
3.8.3 Assembly .................................................................................................................................... 16
3.8.4 Preparing Processor for Operation ............................................................................................ 16
3.9 Operating the Equipment ................................................................................................................. 16
3.9.1 Prime the Intensifier Pump ........................................................................................................ 17
3.10 Cleaning and Storing the Equipment .............................................................................................. 17
3.11 Using the Emergency Stop .............................................................................................................. 18
3.12 Operator Interface .......................................................................................................................... 18
3.12.1 Home Screen ............................................................................................................................ 18
3.12.2 Info Screen ............................................................................................................................... 19
3.12.3 Alarm Screen ............................................................................................................................ 20
3.12.4 Language Screen ...................................................................................................................... 21
Chapter 4: Maintenance ............................................................................................................................. 22
4.1 Pump and Plunger Seal Assembly ..................................................................................................... 22
4.1.1 Removing the Pump Body .......................................................................................................... 22
4.1.2 Removing the Bearing Retainer and Bearing ............................................................................. 23
4.1.3 Removing the Plunger Seal and Back-Up Ring ........................................................................... 23
4.1.4 Removing the Plunger ................................................................................................................ 24
4.1.5 Cleaning Components ................................................................................................................ 25
4.1.6 Installing the Plunger ................................................................................................................. 25
4.1.7 Installing the Isolator ................................................................................................................. 25
4.1.8 Install New Plunger Seal and Back-Up Ring ............................................................................... 26
4.1.9 Install the Bearing and Bearing Retainer ................................................................................... 26
4.1.10 Install the Pump Body .............................................................................................................. 26
4.2 Check Valve Maintenance ................................................................................................................. 27
4.2.1 Cleaning with MPPC ................................................................................................................... 27
4.2.1 Repairing Inlet Check Valve ........................................................................................................ 28
4.3 Replacing Hydraulic Oil ..................................................................................................................... 29
4.3.1 Servicing Hydraulic Suction Strainer .......................................................................................... 29
4.4 High Pressure Connections ......................................................................................................... 30
MANUAL.LM20 Revision C January 2023 Page 4 of 52