ABF-15000 OL
910101-000320 / 09.2017
Page 7 of 19
Maintenance
Before any maintenance or non-regular operation please read the following:
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Servicing the filter should be done only by technicians authorized by Amiad.
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Disconnect the filter from the power supply and lock the Main Power Switch.
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Disconnect the compressed air supply, release the residual pressure and lock the Pneumatics Main Valve.
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Disconnect the filter from the water system by closing and securing the Manual Inlet Valve. In cases where the downstream
piping network is pressurized, close and secure the Manual Outlet Valve also.
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Release the residual water pressure by opening the Pressure Release / Drainage Valve.
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Empty the filter by opening the Drainage Valve.
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In hot water systems wait till the filter components cool off to a safe temperature.
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Place warning signs around the work area as required by the local standards and procedures.
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Inspect the filter’s safety stickers and replace any damaged or faded sticke
r.
Mechanical
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When working on the filter use only appropriate standard tools.
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Always open and close valves slowly and gradually.
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Remove grease and fat material residues in order to avoid slipping.
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Before disconnecting the filter from the water supply,
electricity and pneumatics and before releasing the filter’s residual
pressure do NOT:
o
loosen or unscrew bolts
o
remove any protection cover
o
open any service port flange
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Avoid splashing and water leakage so as to minimize slippage, electrification or damage to the equipment, caused by moisture.
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While using lifting equipment, make sure that the filter or the lifted part is chained securely and in
a safe manner.
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Do not leave lifted equipment if there is no necessity. Avoid working below lifted equipment.
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Wear a safety helmet, goggles, gloves, and any other personal safety equipment required by the local standards and regulations.
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Human entry into a filter must be done in accordance with the relevant local safety instructions, standards and regulations for
working in hazardous environment.
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Manual cleaning of filter media using high water pressure or steam should be performed in accordance with the cleaning system
instructions, the local standards and regulations and without endangering the operator or the vicinity
➢
Manual cleaning of filter element using acid or other chemical agents should be performed in accordance with the relevant
material safety instructions, the local standards and regulations and without endangering the operator or his vicinity.
Before returning to regular operation
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Re-assemble any protection covers or protection mechanisms removed during service or maintenance operations.
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Make sure that all the tools, ladders, lifting devices, etc. used during the maintenance procedures are taken away from the filter
area and stored
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In order to return the filter to regular operation, follow the First Start-up Operation instructions as detailed in your user manual.
➢
For filters used in potable water systems it is required to disinfect the filter according to the local water authority standards and
regulations before putting it back to service.
