Cannon Instrument CMRV-5000 - Manual (Page 35)

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CANNON ® Mini-Rotary Viscometer CMRV-5000 Instruction & Operation Manual
Version 1.0b—August, 2011; CANNON ® Instrument Company
2139 High Tech Road • State College, PA • 16803 • USA
NOTE When the CMRV-5000 cleaning cycle is activated, the internal heater
raises the viscometer block temperature 2-3°C per minute to approxi-
mately 50°C. Precise temperature control is not necessary for cleaning.
9. When the CMRV-5000 has reached cleaning temperature remove the
rotors and wipe excess oil from them. Gently place the rotors into a
solvent-resistant container, such as a 500-ml glass beaker.
CAUTION Be careful not to damage the rotor tips when handling the rotors.
10. Use a vacuum to remove oil from the viscometric cells. If you like,
you may remove the cell from the instrument to facilitate cleaning.
11. Thoroughly rinse the inside surfaces of each cell at least twice with
oil solvent using a squeeze bottle with a length of plastic tubing
attached to the nozzle. Direct the stream from the spray bottle in
such a way that the liquid swirls around the inside walls of the cell.
WARNING Your solvent may be a hazardous substance. Use in accordance with
procedures recommended by your Material Safety Data Sheet (MSDS).
Avoid contact with skin and eyes. Avoid inhaling vapors. Use only in a
well-ventilated area.
12. Use vacuum to remove the solvent from the cells after each rinse.
13. Repeat steps 11-12 using acetone in place of solvent.
WARNING Acetone is a hazardous substance. Use in accordance with procedures
recommended by your Material Safety Data Sheet (MSDS). Avoid
contact with skin and eyes. Avoid inhaling vapors. Use only in a well-
ventilated area.
14. After the final rinse, allow the acetone to evaporate from the visco-
metric cell until the surfaces are completely dry.
Cleaning rotors
15. Thoroughly rinse each rotor individually with oil solvent, then with
acetone. Properly dispose of waste liquid after cleaning.
16. After the final acetone rinse, place the rotors in a clean, dry area
until the remaining solvent on rotor surfaces has evaporated.
17. When you have finished cleaning the viscometer cells and rotors,
click Stop Cleaning Cycle. Then click to exit the Cleaning ...
window.
NOTE After the cleaning cycle, you should permit the cells and rotors to dry for
15 minutes before introducing oil sample into the viscometric cells.