Maintenance 9-1
9
Chapter 9Maintenance
For suspected leaks, see “Functional Check” in this section.
If a problem persists, call Uson’s Service Manager at (1) (281)- 671-2000 between
the hours of 8 a.m. and 5 p.m., USA Central time. The Service Manager will
assign a tracking number, evaluate the situation, and schedule service resources as
required.
9.1 Routine Maintenance
To keep the testers in good working order, adhere to the following routine
maintenance schedule:
9.1.1 Daily
• Check the function and operation of the instrument.
9.1.2 Weekly
• Check rear filter for traces of oil or water.
• Check pipes to test and reference ports for signs of chaffing.
9.2 Cleaning
Power off the instrument and disconnect from the power supply.
The outer case may be cleaned periodically with a damp cloth or using a
proprietary cleaner. Avoid paper based cleaning materials as these may cause
scratches on the surface. When the case is clean, rub over the entire surface evenly
with a dry clean cloth to remove any residual moisture.
The keypad and display window may be cleaned to remove finger marks with a
small quantity of an Isopropanol based cleaning fluid, (isopropyl alcohol) on a
clean soft cloth. Avoid paper based cleaning materials as these may scratch the
gloss display window. Gently apply the cloth to the surface of the key pad and
display window. Do not rub or apply any pressure. Do not under any
circumstances immerse or overwhelm with cleaning fluid. Follow any precautions
supplied with the cleaning fluid.
Leave the instrument to dry before re-connecting to the power supply.
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