Emerson Fisher 4320 Manual de Instruções descarregar pdf (Página 59)

Instruction Manual

D103621X012

4320 Position Monitor

April 2014

Figure 36. Locate Device

Maintenance

When replacing any of the components of the 4320 wireless position monitor, the maintenance should be performed

in an instrument shop whenever possible.

WARNING

Always wear protective clothing, gloves, and eyewear when performing any maintenance procedures to avoid personal

injury or property damage.

Do not remove the actuator from the valve while the valve is still pressurized.

Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the

actuator cannot suddenly open or close the valve.

Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure on

both sides of the valve.

Use lock‐out procedures to be sure that the above measures stay in effect while you work on the equipment.

Check with your process or safety engineer for any additional measures that must be taken to protect against process

media.

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Emerson Fisher 4320 Manual de Instruções Página 59