If you have spilled any sample powder or liquid inside the unit during a sample run, wait until
you are no longer going to continue using the unit, and the mill has warmed up to room
temperature before attempting to clean it. Once the unit has attained room temperature, wipe
down the unit as indicated previously. Please Note: After every period of use, the mill is going
to be wet with condensation since the Freezer/Mill will pick up moisture as long as it is cold.
To maintain the exterior of the unit, first disconnect the Freezer/Mill. Then an occasional
spraying and wiping down with a mild window cleaner or similar product will be sufficient.
In the rare case that you may need to service the 6750 Freezer/Mill, please call SPEX
SamplePrep Customer Service for assistance.
Maintaining the Grinding Vial Sets and the Extractor is basically the normal post-use cleanup
covered on pages 17 & 18 - Removing, Emptying, and Cleaning the Grinding Vial.
7.0
Accessories: Vials, Vial Opener, Racks, and Extractors
(If not included in your order, they are available for purchase at additional cost)
6751 Grinding Vial Set
Set includes a stainless steel impactor (6751P) and two end
plugs (6751E), plus four polycarbonate center cylinders
(6751C4). Transparent plastic allows visual check of
grinding progress. Sample capacity 0.5 ml to 4.0 ml.
6751C4 Polycarbonate Center Cylinder for 6751 vial set is
sold in units of 4. It is also available in units of 20 (part
number 6751C20). NOTE: Polycarbonate is durable and
transparent but it should not be cleaned with organic
solvents, including alcohol.
6751 Grinding Vial Set
End Plug Center Cylinders
A complete 6751 Vial consists of two steel end-plugs (6751E), a steel rod-shaped impactor
(6751P), and a polycarbonate tube. The vial is typically assembled by inserting the blunt end-
plug into the tube, placing the impactor and sample in the tube, and inserting the flanged end-
plug. The flanged end-plug is shaped so that it can be gripped by the 6754 Extractor and Vial
Opener, and this end-plug should always face out when a vial is placed in the coil.
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