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Chapter 7. Maintenance and Troubleshooting
The Electronic Balancing Tool EBT730/EBT731 is designed for long-term field use. If used with
reasonable care, it should be able to make precise measurements over a long time period. Some of the
components can be cleaned periodically. When cleaning the components, please follow the instructions
given below.
Fabric Hood
The hoods can be washed with mild detergent and cold water. When washing the hood, keep the hood
away from objects with sharp corners or sharp edges. Careless cleaning may cause damage.
If the fabric gets ripped it should be replaced or repaired. Duct tape can be placed over the rip on both
sides of the fabric for temporary repair.
To replace a damaged fabric or to order a different fabric size, contact your local TSI/Alnor
®
products
distributor. To determine who your local TSI/Alnor
®
products distributor is, you may call toll-free at (800)
874-2811 (USA) or (1) 651-490-2811 (International).
Micromanometer
The micromanometer case, display screen and keys can be cleaned using a damp cloth with mild
detergent solution. Do
not
immerse it in water. Wipe the unit dry before use.
Manifold
If you observe the flow sensing taps of the manifold becoming clogged with dust or other material, clean
them with a damp cloth. The manifold should be kept in place during cleaning. Do
not
apply excessive
forces on the grid of the manifold. If any part of the grid is damaged, please contact Customer Service for
repair information.
Cases
If the instrument case or storage case needs cleaning, wipe it off with a soft cloth and isopropyl alcohol or
a mild detergent.
Calibration
TSI recommends an annual calibration for the instrument. For a nominal fee, we will calibrate the unit and
return it to you with a certificate of calibration and NIST traceability. This “annual checkup” assures you of
consistently accurate readings. To calibrate the instrument, please ship the complete package that
includes the meter, the base, the manifold and any fabrics used. Everything should be packed carefully
within the carrying case and then inside a shipping box. The original shipping box is preferred. Before
sending your instrument for calibration or repair, obtain a Return Material Authorization (RMA) number by
Table 4 list the symptoms, possible causes, and recommended solutions for common problems
encountered with the instrument. If your symptom is not listed, or if none of the solutions solves your
problem, please contact the factory.
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