OFITE, 11302 Steeplecrest Dr., Houston, TX 77065 USA / Tel: 832-320-7300 / Fax: 713-880-9886 / www.ofite.com
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Maintenance
1. Thoroughly clean the gas train after every test.
a. Remove the rubber tubing from the train and then remove the top.
b. Remove the Dräger tube and flowmeter from the train body. Plug the
holes with stoppers to keep them dry.
c. Using a soft brush, wash out the chambers with warm water and a
mild detergent.
d. Use a pipe cleaner to clean out the passages between the chambers.
e. Wash and rinse the dispersion tube. Blow air or CO
2
gas through it.
f. Rinse the entire unit with deionized water and allow it to drain dry.
2. Periodically replace the gas bag to avoid leaks and contamination in the
system. Usually it is best to replace the bag after ten tests.
3. To clean the dispersion tube frits and injection tube, rinse with Arcosolv
PNP first and then water. Blow out the frits with gas. Occasionally soak
the dispersion tube in a strong acid solution (HCL - 20%) to remove cal
-
cium carbonate deposits
