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Maintenance
SORVALL
®
Centrifuges
4-2
CAUTION
Chlorides are extremely harmful to aluminum alloy rotors and can cause
stress corrosion cracking. Therefore, if chlorides are used to disinfect the
chamber, be sure to rinse the chamber thoroughly with water to remove all
of the chloride cleanser.
Periodically defrost the rotor chamber of the RT6000B to maintain efficient cooling.
The chamber can be defrosted by either leaving the door open with the power off until
the frost melts, or by running a rotor for approximately five minutes at 40
°
C. When
the chamber has been completely defrosted, wipe the chamber dry.
Drive Spindle
Before each run, wipe the spindle with a soft cloth before a rotor is installed to reduce
the chance of the rotor sticking to the spindle. To keep the surface of the spindle
smooth, polish occasionally with #400 Emery cloth. Always wipe the spindle clean
after polishing.
Cabinet
Clean the enameled cabinet panels with a household wax cleaner. Use a mild,
nonalkaline detergent and water to clean the centrifuge.
Chamber Door
Clean the chamber door with a soft, wet cloth and soapy water. Avoid using abrasive
materials (for example, dry papertowels) and organic solvents (for example, acetone)
on the dry surface.
Condenser Fins
To maintain the efficiency of the RT6000B refrigeration system, keep the condenser
fins (located in the front of the centrifuge) free of dirt and dust. Clean the fins with
a brush or vacuum cleaner at one to three month intervals.
c.
FAULT
System Check
To check the function of the
FAULT
system, move the drive spindle back and forth to
simulate a rotor imbalance. This should cause the
FAULT
indicator to light.
REV/MIN x 1000 Indicator Adjustment
(figure 4-1)
With the
POWER
switch set to "
0
", use a screwdriver and adjust the zero adjustment screw
until the pointer reads 0.
Содержание SORVALL RT6000B
Страница 25: ...SORVALL Centrifuges Maintenance 4 7...
Страница 26: ...APPENDIX...