Ashcroft P6500 Panduan Instruksi Instalasi dan Pemeliharaan - Halaman 8
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Check on function, in conjunction with downstream components.
Check of pressurized connection pipes for seal condition.
8.3 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 for pressure less display
Leaks when the device is filled
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.
11 Appendix
11.1 Data sheet for diaphragm pressure gauge P5500/P6500
Detailed data sheet is available from suppliers website (see 1.6 Manufacturer's address, customer services)
This Table refers to specific documents:
Model
Description
P5500
Diaphragm type pressure gauge model P5500
P6500
Solid front diaphragm type pressure gauge model P6500
K5500
Electrical contact devices for pressure and temperature gauges
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Check on display.
Check of electrical connections.
Bent or loose pointer
Cracked window
Damage to housing
Document
G1.P5500
G1.P5500
G1.K5500