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Installation & Operation Manual
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 sticker.
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 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:
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loosen or unscrew bolts
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remove any protection cover
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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.
•
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.
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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.
