Drucker Diagnostics Model 642VES Centrifuge - Manual (Page 6)

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If any problems are found during the initial setup procedure, refer to the troubleshooting section. For
further assistance, contact The Drucker Company at 814-342-6205 or 814-692-7661.
1. Plug the female end of the line cord into the rear of the centrifuge. Plug the male end into an approved
electrical outlet. For electrical safety, the unit must always be properly grounded.
2. For operator safety, the locking system is always active; requiring power and direction from the user to
disengage it (the lid also automatically unlocks at the end of a run when it is safe to do so). To unlock
the lid (in order to access the rotor chamber) press the ‘OPEN/STOP’ button on the control panel. The
‘UNLOCKED’ indicator light should illuminate. If it does not, refer to the section on troubleshooting.
The lid will remain unlocked for 15 seconds after pressing the ‘OPEN/STOP’ button.
3. Turn the latch counterclockwise and open the lid.
4. Spin the rotor by hand; check for free and level rotation. If the rotor does not spin freely, refer to the
section on troubleshooting.
5. Place the test tube holders inside the rotor and verify that they are seated properly.
6. Close the lid. Rotate the lid knob clockwise to its complete stop position. The ‘LATCHED’ indicator
light should be illuminated. If it is not, make sure that the lid is latched properly. The centrifuge will
not run unless the lid is latched properly and the ‘LATCH’ indicator light is illuminated.
7. Initiate a test run by pressing the ‘START’ button.
8. The ‘RUNNING’ indicator light will illuminate
9. The test tube carriers will slide up into the horizontal position (horizontal rotor only) and the unit will
accelerate to the current set speed.
10. Listen to the sound of the centrifuge. A smooth whirring sound should be heard. If there are any loud
or unusual sounds, stop the centrifuge by pressing the ‘OPEN/STOP’ button immediately and refer
to the section on troubleshooting.
11. Press the ‘OPEN/STOP’ button to terminate the test run. The rotor will decelerate to a complete stop
and the lid will then unlock automatically for 60 seconds.
12. The centrifuge is now ready for operation.
13. In the event that the display and/or indicator lights do not function properly, do not use the centrifuge;
have it serviced immediately.
1. Unpack the centrifuge and verify that all of the supplied equipment is present.
2. Choose a setup location which meets the following criteria:
Initial Setup Procedure
Setup Location
a) A bench top clearance height of 20” is required in order to open the lid.
b) The clearance envelope is the space around the centrifuge which is required for safety. Choose a
setup location which will allow for a clearance envelope of at least 24” x 24”, (with the centrifuge
at the center). No person or hazardous material shall be permitted in the clearance envelope
during operation. The operator time within the envelope shall be limited to the time necessary
for loading, unloading and centrifuge operation only.
c) Proper ventilation is necessary to prevent the overheating of samples as well as premature
failure of the centrifuge. Choose an area which will allow unencumbered air flow.
d) The centrifuge is designed to rest on its four rubber feet. No adjustment is necessary for leveling
the centrifuge, however, the surface should be flat and level.
e) Be sure the outlet is always within reach as the line cord is the means of emergency disconnection.
Transportation
During transportation accessories can become dislodged from the rotor and fall into the rotor chamber
where they can remain unnoticed. In the event that the centrifuge needs to be transported to another
site, make certain that there are no tube holders or accessories in the rotor or rotor chamber.