68
CANNON
®
CCS-2100 with VISCPRO
®
Instruction & Operation Manual
Version 2.0a — November, 2010;
CANNON
®
Instrument Company
2139 High Tech Road • State College, PA 16803 • USA
Preventive maintenance
The following checklists provide guidelines for properly maintaining
your CCS instrument:
Biannual maintenance
Replace coolant antifreeze/water mixture annually.
Clean Sample Table and painted surfaces of the instrument with a
damp cloth and mild detergent solution.
Check for loose parts/connections and secure if necessary.
Check motor drive belt for signs of wear (cracks, fraying) and
replace if necessary.
Check thermistor probe connections. If necessary, clean the thermal
well and reorient the probe per instructions in this chapter.
Check clearance between the bottom of the rotor and the bottom of
the cup (should be 1.0-1.5 mm). Gap rotor if necessary (see preced-
ing section).
Check refrigerated chiller temperature setting and temperature.
Adjust if necessary.
Check coolant fluid level. Add additional fluid if necessary.
Check coolant lines between the tank and the CCS instrument for
cracks, leaks, kinks, and integrity of insulation.
Check integrity of the vacuum pump diaphragm. Replace if neces-
sary (see previous section for procedure).
Clean the fan in the RA box. (It will be necessary to remove the
interface box housing to clean the fan. Remove the four screws and
lift the housing to access the fan.)
Calibrate the CCS instrument. Check accuracy with
CANNON
®
standards.
Cleaning the instrument housing
CAUTION
Before cleaning the CCS, turn off the instrument and unplug the power
cord. Do not clean the instrument unless the cell temperature is within
10°C of ambient.
Periodically clean the outside of the unit with a damp cloth moistened
with water and/or a mild detergent solution.