Ashcroft A6400 Инструкция по установке и обслуживанию - Страница 8
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Печатать страницу8.3 Cleaning and maintenance
Cleaning is carried out using a non-aggressive cleaning agent, with the ventilation valve closed and respecting the
protection category of the device.
9 Faults
9.1 Safety
Defective or faulty pressure 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.
9.2 Conduct in the event of faults
All defective of faulty devices must be taken out of service. If a repair is required, the device must be sent directly to
our Repairs Department. We request that all returns of devices are agreed with our Service Department.
9.3 Fault table
Possible situations indicating a fault:
Jerky or random movement of the pointer
Pointer does not set to zero at full vacuum
Indications that the measurement system seal is
imperfect (discoloration to dial display or of filling liquid)
In these instances, replacement of the pressure gauge is always required.
9.4 Conduct following fault rectification
See Chapter 7.3 Mounting/Installation
10 Removal, disposal
10.1 Safety
Residues of measuring media in and on removed gauges can constitute a risk to people, the environment
and equipment. Adequate precautionary measures must be adopted. If necessary, the devices must be
cleaned thoroughly (see advice in safety data sheets).
10.2 Removal
When undertaking servicing work on the device, the pressure lines must be depressurized, the electrical
connections isolated from the mains supply, and the plant secured against being switched on again.
Demount the gauge using a suitable tool
10.3 Disposal
Please help to protect the environment and dispose of or recycle the devices and components used in
accordance with the applicable regulations.
Bent or loose pointer
Cracked window
Leaks when the device is filled
Damage to housing
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