Procedure For Cleaning And Balancing The Sensor Mirror - GE Optica Operator's Manual

Chapter 7. Maintenance

7.1.2 Procedure for Cleaning and Balancing the Sensor Mirror

When necessary, use the procedure below to clean and balance the sensor mirror. To clean the mirror, you will require
the MSK Kit, which includes the following essential supplies:
•
Cotton swabs
•
Screwdriver or hex driver for some sensors
•
Cleaning solution
1. From the Optica analyzer, press the soft-key next to the
on your PC, move your mouse pointer over the
Figure 44 on page 75.
2. Allow the dew point temperature (mirror temperature) to attain the maximum value.
3. To clean the mirror:
a. Remove the cap or open the cover of the chilled mirror sensor.
b. Put one drop of cleaning solution on a cotton swab.
c. Gently rub the cotton swab on the mirror in a circular motion (spiral outwards) to clean the mirror.
d. Use a dry swab to dry and buff the mirror. The mirror should be bright and shiny.
e. Discard the used swabs.
If the contamination is severe, then solvents such as alcohol, acetone or hexane may be used, followed
IMPORTANT:
by a rinse of the cleaning solution then distilled water. Be sure to dry and buff the mirror with a dry
swab.
4. Observe the balance indicator. It should have only one bar segment illuminated. Figure 45 below shows the
possible variations for the indicator while the mirror is heated.
Figure 45: Coarse Adjust Balance Indicator While Mirror is Heated
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button, or, from the Optica Java applet running
HEAT
button and click. The button will turn red, as shown in
HEAT
a - underbalanced
b - balanced
c - overbalanced
Optica™ Operator's Manual