Ashcroft E 설치 및 유지보수 지침 매뉴얼 - 페이지 8

{카테고리_이름} Ashcroft E에 대한 설치 및 유지보수 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Ashcroft E 12 페이지. Bimetal thermometer
Ashcroft E에 대해서도 마찬가지입니다: 설치 및 유지보수 지침 매뉴얼 (19 페이지)

Ashcroft E 설치 및 유지보수 지침 매뉴얼

9 Servicing

The device is maintenance-free. However, to ensure reliable operation and a long lifetime for the device, we
recommend that it is checked regularly.

9.1 Safety

When undertaking servicing work on the device fitted without a thermowell, the lines must be depressurized and the
plant secured against being switched on again.

9.2 Check on function, and recalibration

The check on function and recalibration is carried out at regular intervals, depending on the application. The precise
testing cycles should be adjusted in line with the operating conditions and ambient conditions.
Check on display.
Check the thermowell for damage and seal.

9.3 Cleaning and maintenance

Cleaning is carried out using a non-aggressive cleaning agent, respecting the protection category of the device.

10 Faults

10.1 Safety
Defective or faulty gauges put the operational safety and process safety of the plant at risk, and can lead to a risk or
injury to persons, the environment or the plant.

10.2 Conduct in the event of faults

All defective or faulty devices are to be taken out of service. If a repair is required, the device is to be sent directly to
our Repairs Department. We request that all returns of devices are agreed with our Service Department.

10.3 Fault table

Possible situations indicating a fault:
Jerky or random movement of the pointer
No correspondence between the measured value being displayed and actual temperature
Bent or loose pointer
Cracked window
Damage to housing
Extended storage at temperatures above 60 °C
In these instances, replacement of the gauge is always required.

10.4 Conduct following fault rectification

See Chapter 8 Mounting/Installation
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