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V.B. Removal of Magnetic Rod Assembly
If the plungers are inadvertently left out during a run or placed in the wrong starting position, the
machine may go through a run with the magnetic rods unprotected. If this happens, the magnetic
rod assembly may be removed for cleaning.
1.
Turn off the power and unplug the instrument. This will release the motors so that the heads
can be gently moved to allow easier access to the magnetic rod assembly.
2.
Gently and slowly, with constant pressure on both the right and left side, push the plunger
bar and the magnetic rod assembly down the slides to their lowest positions. Do not push the
plunger bar and magnetic rod assembly too fast. Doing so could result in damage to the
instrument's electronics.
3.
Unscrew and remove the three thumbscrews on top of the magnetic rod assembly (Figure 5).
4.
Once the three thumbscrews are removed, gently lift up the magnetic rod assembly to remove it.
5.
To clean the magnetic rod assembly, wipe with a soft paper towel dampened with deionized
water or 70% ethanol. Removal of paramagnetic particles from the magnetic rod assembly
will require multiple wipes with a damp cloth.
6.
If the magnetic rod assembly cannot be cleaned, please contact Promega for assistance.
7.
Replace the magnetic rod assembly, and firmly tighten the three thumbscrews.
V.C. Periodic Maintenance
Linear Slides: If the linear slides become sticky, they may be lubricated with light machine oil. Use a
cotton swab, and apply only as much as is needed to make the heads and plate slide easily. Do not get
oil on the black drive belts.
Belts: Inspect the belts periodically. If excessive wear or excessive slack is noted, contact Promega
or your local Promega representative, and arrangements will be made to service the instrument.
Promega Corporation · 2800 Woods Hollow Road · Madison, WI 53711-5399 USA · Toll Free in USA 800-356-9526 · Phone 608-274-4330 · Fax 608-277-2516 · www.promega.com
Printed in USA.
Revised 6/08
Figure 5. The thumbscrews on the top of the magnetic rod assembly.
Part# TM274
Page 23
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