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Maintenance
Section 5 Maintenance
This chapter explains how to maintain, repair, and upgrade the 980 Flow
Meter. It describes how to open the case, inspect and replace fuses, and
perform operating system software upgrades.
5.1 Routine Maintenance
Routine maintenance of the 980 Flow Meter consists of calibrating input
channels, cleaning the case, and maintaining the sensors as needed.
5.1.1 Calibration
Calibration should be performed on all channels at the proper interval for that
type of input. (See Section 4).
5.1.2 Cleaning the Case
Clean the outside of the case with a damp cloth and mild detergent. Use a
non-abrasive plastic cleanser on the front cover if necessary. Avoid harsh
chemicals or solvents because they may harm the case or fog the front cover.
5.2 Upgrades, Repairs, General Maintenance
Only a qualified technician should service the 980 Flow Meter. For example,
steps that require knowledge of CMOS electrostatic discharge precautions
and advanced electronics training should only be performed by a qualified
technician. If you need assistance in performing any of the following service
steps, please contact the manufacturer.
5.2.1 Internal Maintenance Items
The following items require access to the inside of the case for service:
• Interface connectors
• RAM memory batteries
• Fuses
5.2.2 Opening the Front Panel
DANGER
Always disconnect external
power sources to the flow meter
before opening the front panel.
DANGER
Débranchez toujours les sources d'alimentation externe du débitmètre avant
d'ouvrir le panneau avant.
PELIGRO
Desconectar siempre las fuentes externas de energía al medidor de flujo antes
de abrir el panel delantero.
GEFAHR
Vor dem Abnehmen der Frontplatte unbedingt alle externen
Spannungsversorgungen zum Strömungsmessgerät unterbrechen!
PERICOLO
Scollegare sempre l'alimentazione elettrica dal misuratore di portata prima di
aprire il pannello frontale.
To open the front panel, loosen the two hold-down screws with a flat-blade
screwdriver.