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10 Maintenance
•
This instrument has been designed with the utmost care. Ease of operation
and simplicity of maintenance have been a central theme in the product
development. Therefore, with proper care the instrument should require
very little maintenance. Avoid operating the instrument in an oily, wet,
dirty, or dusty environment.
•
If the outside of the instrument becomes soiled, it may be wiped clean
with a damp cloth and mild detergent. Do not use harsh chemicals on the
surface which may damage the paint.
•
It is important to keep the well of the calibrator clean and clear of any for
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eign matter. Do not use fluid to clean out the well.
•
Use a commercially available plastic or felt brush, of appropriate diameter
for a tight fit without any fluid, to clean the well. Complete the cleaning
process by using cotton swabs and air to remove any debris.
• Inserts should be cleaned periodically. For cold dry-wells operating below
0°C, you should always clean the inserts after operating the unit at or be-
low 0°C.
• Use emery cloth or other similar material to clean the outside of the in-
serts. Ensure that the inserts are wiped clean of any debris loosened in the
buffing process. Periodic cleaning of the outside of the inserts ensures
easy insertion and removal of the inserts from the well.
• The dry-well calibrator should be handled with care. Avoid knocking or
dropping the calibrator.
• Do not slam the probe stems into the well. This type of action can cause a
shock to the sensor.
•
If a hazardous material is spilt on or inside the equipment, the user is re
-
sponsible for taking the appropriate decontamination steps as outlined by
the national safety council with respect to the material.
•
If the mains supply cord becomes damaged, replace it with a cord with
the appropriate gauge wire for the current of the instrument. If there are
any questions, call an Authorized Service Center (see Section 1.4) for
more information.
•
Before using any cleaning or decontamination method except those rec
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ommended by Hart, users should check with an Authorized Service Cen
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ter (see Section 1.4) to be sure that the proposed method does not damage
the equipment.
•
If the instrument is used in a manner not in accordance with the equip
-
ment design, the operation of the dry-well may be impaired or safety haz
-
ards may arise.
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10 Maintenance