amiad AMF2-93K Bedienungsanleitung
AMIAD Water Systems
AMF² MICROFIBER FILTERS
AMF²-93K
Serial number:
_______________
Order number:
_______________
Catalog number:
_______________
Filtration degree:
_______________
Tested by:
_______________
Cassettes Replacing Guide
Ref. 910101-000626/10.2013
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AMIAD Water Systems
AMF²-93K Cassettes Replacing Manual
This document describes the process of replacing damaged cassettes in Amiad’s AMF 93K micro-fiber filter and it contains
the following sections:
A. General information and safety instructions
B. Preparing the filter for cartridge disassembly
C. Removing the cartridge out of the filter’s housing
D. Disassembling the cartridge and replacing the damaged cassettes
E. Reassembling the cartridge
F. Reassembling the filter
G. Restarting the filter
H. Cassette Package explosion assembly drawings
Disclaimer:
This document and the information enclosed within it contain restricted and/or privileged information that are intended only for usage by authorized Amiad technicians. If you are not a qualified Amiad
technician you must not take nay action in reliance to this document, unless permitted by Amiad.
None of the procedures provided on this file may be used in any form or by any means without permission from Amiad.
The confidential nature of and/or privilege in the file enclosed is not waived or lost as a result of a mistake or error in this file. Amiad accepts no liability whatsoever, whether it was caused by:
1. Accessing or other related actions to this file.
2. Any links, procedures or materials provided/attached to this file.
Amiad assumes that all users understand risks involved within this file and/or its attached materials.
All the procedures, drawings, pictures and/or any other information provided in this document are presented as general information only; they can be altered, removed or changed without any further
notice by Amiad.
This document does not replace any certified drawing, procedure or information provided by Amiad in reference to a specific customer, site or project.
All rights reserved.
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A. General Information and Safety Instructions:
Before you begin –Safety instructions
Prior to installation, operation, maintenance or any other type of action done on the filter, read carefully the
installation and operation instructions.
During installation, operation or maintenance of the filter, all conventional safety instructions should be
observed in order to avoid danger to workers, the public or to property in the vicinity.
Please note: The filter enters automatically without any warning into a flushing mode.
No changes or modification to the equipment are permitted without a written notification given by the
manufacturer or by its representative on his behalf.
Service the filter according to the detailed Instructions provided with the filter by the manufacturer and
according to the description given in this manual.
Electric wiring should be performed by an authorized electrician only, using only standard and approved
components.
If due to site constrains the control panel is installed with no line-of sight with the filter an additional Power Cut-
off Switch should be installed near each filter unit before any attempt to service the filter is done.
Extra safety devices should be installed on hot water applications to avoid skin burn danger.
Disconnect the filter from power supply before performing any service, maintenance or any non-regular
operation action.
Loosening or unscrewing bolts should be done only after the pressure in the filter had been released.
Avoid splashing and water leaking so as to minimize slipping, electrifying or damage to the equipment, caused by
moisture.
Always open and close valves slowly and gradually.
Remove grease and fat material residues in order to avoid slipping.
Re-assemble any protection covers or protection mechanisms removed during service or maintenance
operations before re-operating the filter.
Manual cleaning of filter media using high water pressure or steam should be performed in accordance with the
cleaning system instructions and without endangering the operator or the vicinity.
Manual cleaning of any filter element using acid or other chemical agents should be performed in accordance
with the relevant material safety instructions and without endangering the operator or the vicinity.
While using lifting equipment, make sure that the filter or the lifted part is chained securely and in a safe
manner.
Do not leave lifted equipment if there is no necessity.
Avoid working below lifted equipment.
Wear a safety helmet while using lifting equipment.
Arrange suitable lighting at the area of the filter to enable good visibility and safe maintenance.
Provide suitable platforms and safety barriers to enable easy access to the filter without climbing on pipes and
other equipment.
Check and re-tighten all bolts after finishing the maintenance or service work.
Always maintain regular safety instructions and good engineering practices while working in the filter’s vicinity.
Required tools:
In addition to a regular standard tool box, 2 special tools are required for a successful completion of the cassette
replacing process:
1. MTG/AMF grooved Cassette Alignment Ring - catalogue number –65-8040--4004
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2. MTG/AMF Cassette Holder Ring - catalogue number –65-8040--4001
1 - MTG/AMF Cassette Alignment Ring 2 - MTG/AMF Cassette Holder Ring
Please contact your supplier for ordering these tools.
Understanding the cartridge cassettes’ arrangement:
Important Note:
Prior to performing the actual work it is very important to understand the special arrangement of the cassettes in the
filter’s cartridge! Improper assembly of the cartridge will lead to filter malfunction and to a significant damage!
Two types of cassettes are used in the cartridge:
1. Centralized nipples cassette type (as appears at the picture’s right side)
2. Shifted nipples cassette type (as appears at the picture’s left side)
Make sure that you have the correct spare parts before disassembling the cartridge.
35 cassettes are connected to a single joined-in collector pipe and form a package. The connector holes in the join-in
connector are arranged so the two types of cassettes are used alternatively:
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Please note that the missing cassette in the above picture is a shifted nipples cassette.
See also the alternating arrangement of the holes in the internal part of the join-in connector unit.
Opposite to the connector nipples, at the outer edge of the cassette, two U shape connectors are found. One of these
connectors is of a female type and the other is a male type.
34 of the cassettes in each package are arranged with the male connector pointing to the same direction while the 35th
cassette is mounted in the opposite way where its female connector is pointing to the direction of the other cassettes
male connectors.
The 35th cassette serves as the Leading Cassette and during the assembly process of the cartridge it is very important to
position it in the right location as explained further down in this manual.
Please note that the upper middle cassette in the above picture is the Leading Cassette of the package. Please see that
the other cassettes male connectors are pointed up while the Leading Cassette is in the opposite direction.
26 packages are attached to each other surrounding a Central Pipe assembly and form a cartridge.
The packages are attached to each other where their Leading Cassettes are aligned together to form the central axis of
the cartridge. The cartridge central axis is aligned with marking holes in the other parts of the complete cartridge.
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In the above picture you can see how the Leading Cassette (shown in the middle of the picture) is aligned with the
marking hole on the cog-wheel.
The above picture shows how the Leading Cassettes are connected together along the cartridge and perfectly aligned
with the markings of the other parts.
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B. Preparing the filter for cartridge disassembly:
1. Disconnect the filter form the process water system by closing the upstream (the entry point of unfiltered water to the
filter) and downstream (the exit point of clean water from the filter) manual valves.
2. Drain the filter housing by manually opening the drainage butterfly valve located at the lower side of the filter
body.
3. Make sure that Piston#40 is pushed out of the cartridge to ensure that the spray nozzles are not within the
cassette package limits:
i. Remove the plug from the flange of the tail assembly.
ii. Insert a clean and straight 4.5 meter 0.5” pipe or rod (the Tune-up rod) through the opened connection.
iii. Using the rod push the piston all the way in.
iv. Remove the rod out of the filter and reassemble the plug.
4. Lock the Index Piston in its “out” position:
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i. Properly mark the upper and lower 8mm water control tubes and disconnect them from the Index
Piston. Important: Mistakenly re-assembling these control tubes may cause serious malfunction of the
filter.
ii. Connect a compressed air tube to the lower port of the Index Piston to push the piston to its “Out”
position. This will allow you to freely rotate the cartridge as required at stage C.1.8.Leave the Index
Piston locked at this position till the end of the cassette replacement process.
“Up” label
“Down” label
Compressed
Air Tube
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C. Removing the cartridge out of the filter’s housing:
C.1. Identifying the damaged cassettes:
1. Disconnect the High Pressure Pipe from the far end of the Piston House Assembly.
2. Disconnect the control tube from the Piston House Assembly.
Disconnect the Proximity Switch SW1 from the Piston House Assembly by unscrewing the sensor from its Mounting block.
Important note: Make sure that the Mounting Block of SW1 stays in its current position! Any movement of the
block will affect the piston’s calibration and will cause damage to the filter. Only the sensor should be
removed!!!
Remove this sensor
only
Do not move this
Block!
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3. Unscrew the filter’s Intermediate Cover bolts and open the Cover by gently pulling it out together with the Piston
Hosing and the Piston#50 Assemblies. (Hold the Cover Handle with one hand (1) and support the Piston Housing
with your other hand (2).)
Don’t Move this Block
(1)
(2)
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