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Chapter 7. Maintenance and Troubleshooting
The Electronic Balancing Tool (EBT) EBT720/EBT721 and ProHood™ PH720/PH721 capture hoods are
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
®
or
A
IRFLOW™ Instruments products distributor. To determine who your local TSI/Alnor
®
or AIRFLOW™
Instruments products distributor is, you may call toll-free at +44 (0) 149 4 459200 (UK), (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.
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