Prime The Intensifier Pump; Cleaning And Storing The Equipment - Microfluidics Microfluidizer LM20 User Manual

NOTE: Do not allow any of the high pressure fitting to leak. Leaking will cause damage to the
sealing surfaces of the joint. If a high pressure fitting is leaking, follow the relevant steps
in the Maintenance section of this manual.

3.9.1 Prime the Intensifier Pump

Priming the intensifier pump is often needed before the first time use, after disassembly, or whenever the
Intensifier Pump loses its prime.
The prime function is achieved by operating the processor at low pressure and manually opening the inlet
check valve.
1. Ensure the inlet reservoir has fluid in it.
2. Set the process pressure to 5000 psi.
3. Insert priming tool into the reservoir and push down the inlet check ball.
4. Start the intensifier pump.
5. Cycle the pump for 2 cycles.
6. Remove the priming tool, liquid should begin to exit the product outlet piping.
7. Stop the intensifier pump.
This completes the prime function.
If the fluid that is being processed is very viscous, the MPPC option may help in priming the pump. Contact
Customer Service to discuss the MPPC option.
If unable to accomplish a prime, see relevant help sections.

3.10 Cleaning and Storing the Equipment

The best cleaning procedure will depend on both the nature of your products and the standards for your
industry. New machines are shipped from our factory thoroughly cleaned with water and rinsed with
isopropanol. The isopropanol, which is then left in the processor, is used because it cuts grease and oil
effectively, yet has limited negative effects on any of the sealing materials used in the equipment. The
interaction chamber, the auxiliary processing module, and all of the small diameter high pressure tubing
can be cleaned by simply pumping a suitable cleaning solution or solvent through the processor as though
it were product. We recommend leaving the processor filled with solvent between uses.
NOTE: Consult the Fluid Compatibility Table in Appendix D.
The user shall determine the best cleaning procedure based on the product and cleaning solution. A
cleaning process is as follows:
1. Add the appropriate cleaning solution liquid to the Product Inlet reservoir.
2. Run processor at a suitable pressure and flow rate to clean internal parts.
3. The product outlet flow should be clean.
4. Stop the processor.
5. To store the processor, it is recommended to fill with appropriate solvent. Cover the inlet
reservoir to avoid large particles from entering.
MANUAL.LM20 Revision C January 2023 Page 17 of 52