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5. While holding the rotor knife, align the setscrew on the side of the rotor shaft collar and the flat end on the
rotor shaft so they are facing each other. Once lined up with one another, tighten the setscrew against the flat
end of the rotor shaft using the hex wrench end of the screwdriver tool (supplied in the tool kit).
6. Insert the ¼" hex key (supplied in the tool kit) into the end of the rotor shaft collar and insert the screwdriver
end into the rotor knife and turn the hex wrench clockwise to confirm its tight (Over tightening of the rotor knife
onto the rotor shaft can result in breaking of the rotor shaft and/or distorting of the rotor knife).
PRO Quick Connect Generator Maintenance:
Regular maintenance and inspection/replacement of wearing generator parts is recommended and will thereby extend
the life of this valuable piece of equipment.
RUNNING THE GENERATOR WITH MISSING OR WORN COMPONENTS CAN CAUSE
DAMAGE TO THE GENERATOR AND/OR HOMOGENIZER MOTOR UNIT.
Perform an upper washer check:
1. Is the upper white Polytetrafluoroethylene (PTFE) washer missing? These tend to get misplaced when cleaning
and often the generator is reassembled without the PTFE washer.
2. Is the white PTFE washer worn?
3. If you answered yes to either of these questions, then you will need to order replacement upper PTFE washers.
This item is the same for all PRO Quick Connect Generators. You will need to order part number PRO-99-03302P
(5 pack of upper PTFE washers).
Perform a lower bearing maintenance check:
1. It is time to replace your lower Polytetrafluoroethylene (PTFE) bearing if...
a. The inside diameter of the lower PTFE bearing fits loosely on the outside diameter of the shaft
b. And/or you are able to wiggle and tilt the PTFE bearing
2. Find the correct lower bearing part number for your generator.
a. Refer to the Generator Spare Parts Section of this manual
b. Visit our generator replacement parts page on our website.
c. Speak with a sales consultant at PRO Scientific, P#203-267-4600, sales@proscientific.com, and they will
be happy to assist you in finding the correct replacement part for your generator.
Upper SS bearing maintenance check:
1. Replacement of upper stainless steel bearing should be performed by PRO Scientific Service technician or
authorized distributor.
2. Contact PRO Scientific service department, at P#203-267-4600, sales@proscientific.com, and request a return
authorization for generator.
Mid-Bearing maintenance check:
1. All generators that are 120mm in length and longer contain a mid-bearing, which is located inside the generator
approximately half way up the shaft.
a. The mid-bearing must be lubricated by the sample/liquid during processing, therefore the sample
volume should cover about half the length of the generator.
2. Replacement of mid-bearing should be performed by a PRO Scientific Service technician or authorized
distributor.
3. Contact PRO Scientific service department, at P#203-267-4600, sales@proscientific.com, and request a return
authorization for generator.
21
**CAUTION**
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