Assembling Multi-Gen Generator; Multi-Gen Generator Maintenance; Homogenizer Accessory Cleaning - PRO Scientific Bio-Gen PRO200 Operating Manual

7. Multi-Gen parts can now be placed on a tray and autoclaved as necessary.

Assembling MULTI-GEN Generator

1. Insert upper PTFE bearing (bearings are interchangeable) into the upper end of the generator tube-bearing,
flange out.
2. Place the lower PTFE bearing into the lower end of the generator tube- bearing flange out.
3. Slide shaft into the lower end of the generator tube until the knife is flush with the tube, making sure the
threaded end of the shaft comes through the upper PTFE bearing.
4. With finger keeping knife flush with the bottom of the tube, hand tighten drive collar.
5. FINAL ASSEMBLY STEP FOR MULTI-GEN 7 ONLY: Place the screwdriver into the bottom of the generator and
holding the drive collar turn the screwdriver clockwise.
6. FINAL ASSEMBLY STEP FOR MULTI-GEN 7XL ONLY: Place allen wrench across and through the open slot of the
XL generator to ensure the tightness of assembly and holding drive collar turn screwdriver clockwise.

MULTI-GEN Generator Maintenance:

Regular maintenance and inspection/replacement of lower bearings is recommended and will thereby extend the life of
this valuable piece of equipment.
Perform a lower bearing maintenance check
1. It is time to replace your lower Polytetrafluoroethylene (PTFE) bearing if...
c. The inside diameter of the lower PTFE bearing fits loosely on the outside diameter of the shaft
d. And/or you are able to wiggle and tilt the PTFE bearing
2. This item is the same for all PRO MULTI-GEN Generators. You will need to order part number PRO-03-11703P (6
pack of MULTI-GEN lower PTFE bearings).
Tips to maximize your generator's performance:
1. Never run the generator assembly dry. The generator requires a liquid sample/medium to lubricate the bearings
during processing.
2. Without the liquid, the bearings can burn out and cause damage to the generator itself.
3. Make sure you are processing the recommended sample volume for the generator/generator assembly you are
using. If you are unsure if this is the correct generator for your application, please contact a sales representative
before using the generator.
4. Always begin homogenizing at a low rpm, and then gradually increase the speed to your target level.
5. Please follow the instructions in the manual to ensure that you attach the generator/generator assembly
properly to the motor unit.
6. We recommend taking apart and cleaning generators after each use.

Homogenizer Accessory Cleaning

1) Immediately after you have finished working with the generator, the generator must be cleaned so that the
substance residues do not stick to the rotor and stator and allow small bacterial cultures to form in undesirable
places.
2) For this purpose, the generator should be run in a solvent, which dissolves the substance residue and does not
harm the components. The rotor and stator are cleaned as the solvent is pumped through the generator.
3) Please ensure that all cleaning processes are compatible with 316SS and PTFE.
4) For a more thorough cleaning it is recommended that your generator be disassembled and cleaned via one of
the following processed;
a. Chemical process - Germicidal solutions (formalin, phenol, alcohol, etc.) can disinfect in most cases.
i. Residues of the germicide must subsequently be removed with sterilized water.
ii. Please ensure that all chemical processes are compatible with 316SS and PTFE.
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