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amiad AMF2-93K Replacing Manual

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AMIAD Water Systems
AMF² MICROFIBER FILTERS
Serial number:
Order number:
Catalog number:
Filtration degree:
Tested by:
Cassettes Replacing Guide
AMF²-93K
_______________
_______________
_______________
_______________
_______________
Ref. 910101-000626/10.2013

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Summary of Contents for amiad AMF2-93K

  • Page 1 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...
  • Page 2 If you received this file in error please notify Amiad immediately. (reuven@amiad.com) 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.

  • Page 3: General Information And Safety Instructions

    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.
  • Page 4 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: Centralized nipples cassette type (as appears at the picture’s right side)
  • Page 5 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.
  • Page 6 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.
  • Page 7 B. Preparing the filter for cartridge disassembly: Disconnect the filter form the process water system by closing the upstream (the entry point of unfiltered water to the and downstream manual valves. filter) (the exit point of clean water from the filter) Drain the filter housing by manually opening the drainage butterfly valve located at the lower side of the filter body.
  • Page 8 Properly mark the upper and lower 8 water control tubes and disconnect them from the Index Piston. Important: Mistakenly re-assembling these control tubes may cause serious malfunction of the filter. Connect a compressed air tube to the lower port of the Index Piston to push the piston to its “Out” position.
  • Page 9 C. Removing the cartridge out of the filter’s housing: C.1. Identifying the damaged cassettes: Disconnect the High Pressure Pipe from the far end of the Piston House Assembly. 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.
  • Page 10 Block Don’t Move this 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 and support the Piston Housing with your other hand - 10 -...
  • Page 11 Make sure that the V-Shape Plate of the cartridge points to the central line of the filter, if necessary turn it by hand accordingly (1). Remove Piston#40 by pulling it straightly but gently out of the filter. Make sure not to damage the cassettes by letting the spray nuzzles to hit the cartridge (2) while pulling the piston (you may need assistants to keep the piston balanced while pulling it out of the filter).
  • Page 12 Important note: In case it is too difficult to rotate the cartridge by hand, operate the Index Piston by alternating the compressed air tube connection. Connect the tube to the upper port to move the index by one row and reconnect the tube to the lower port to advance the index by another row.
  • Page 13 Unscrew the bolts and remove the cartridge lid. (You may need assistance since the lid may be heavy for one person to carry so take an extra care!) Unscrew and release the bolts of the three disc stoppers , turn each one of the stoppers by 180° and make sure that they are not extended beyond the boarders of the Plate Partition Disc Stoppers Turn the Stopper 180°...
  • Page 14 Hold the cartridge Triangle Plate and start to pull the cartridge out of the filter housing . Once the cartridge is released and starts to move, lift it slightly with one hand and continue to pull it out with the other hand till the first Cassettes’...
  • Page 15 D. Disassembling the cartridge and replacing the damaged cassettes: Unscrew and remove the 4 Self Tapping Screws from the Nozzle Guide cog-wheel. Remove the Guide Plate from the Central Pipe using a hammer and soft-edge plastic or wooden stake. - 15 -...
  • Page 16 Use a screwdriver to gently release the Nozzle Guide cog-wheel from the first Cassette Pack and pull it out of the Central Pipe. Use a screwdriver to gently release the 2 O-ring seals from the Half Cassettes Connector Use a screwdriver and gently release the Half Cassettes Connector from the first Cassette Pack, then pull the connector out of the Central Pipe.
  • Page 17 Hold the first Cassette Package with both arms, pull it out of the Central Pipe and put it gently on a clean surface. Use a screwdriver or a bended steel wire to gently pull out and release the two locking pins of the Cassettes Connector out of their holes in the Central Pipe.
  • Page 18 Unscrew and remove from the Central Pipe 2 Machine Screws located between Cassette Packages 2 and 3. 10. Repeat steps 7-8 and remove all the Packages that contain damaged cassettes. Please note that if there are damaged cassettes in the far end of the cartridge you will have to repeat step number 9 and remove the 2 Machine Screws located between Cassette Packages number 25 and 26.

  • Page 19: Reassembling The Cartridge

    E. Reassembling the cartridge: Insert the Cassette Alignment Ring over the Central Pipe and locate it on the last installed Cassettes Package. While pushing the ring to its place make sure that all the cassettes are inserted to their respective groves in the Alignment Ring.
  • Page 20 Locate the new Cassettes Package close to the previously installed one and verify that the Leading Cassettes of the two packages are aligned with each other. (Look at the red circle in the following picture and notice how the Leading Cassette with the female U-shape connector pointing to the right, is aligned with the previous Leading Cassette with the male U-shape connector pointing to the left.) Pull the Cassette Alignment Ring few centimeters backward and locate it so it covers the U-shape connectors of both cassettes packages.
  • Page 21 Insert a Cassettes Connector over the Central Pipe. Make sure that its two locking pins are pointed backwards and located between two rows of the Central Pipe holes (Otherwise they will be trapped by the wrong holes once you push the connector to its place). Push-in the connector till it reaches the last hole before the Cassettes Package.
  • Page 22 Re-screw the 2 Machine Screws to their respective holes in the Central Pipe between Cassette Packages 24 and 25 (2-3). 10. Install Cassettes Packages number 25 and 26. Please note that the last Cassettes Connector is different than the rest and it is actually Half Cassettes Connector. 11.
  • Page 23 12. Push the Second O-ring to its place next to the first O-ring and the Half Cassettes Connector. 13. Remove the Cassette Alignment Ring and the Cassette Holder Ring from the cartridge. 14. Insert the Nozzle Guide cog-wheel over the Central Pipe and push it towards the first Cassette Pack. Turn the cog-wheel till its marking hole is aligned with the central line of the cartridge as indicated by the male U-shape of the Leading Cassette of the first Cassettes Pack.
  • Page 24 16. Align the Guide Plate and the Nozzle Guide cog-wheel marking holes with the Cartridge center line as indicated by the male U-shape of the Leading Cassette of the first Cassettes Pack. Insert the Shaft Bearing to the Central Pipe through the Guide Plate. Make sure that one of the holes in the Shaft Bearing is aligned with the cartridge center line.
  • Page 25 F. Reassembling the filter: Lift the cartridge, tern its Guide Plate till the V-shape slot is pointing upwards and gently pass it through the opening of the chamber. Put the Guide Plate on the two supporting bars, located along the bottom of the chamber.
  • Page 26 Disc Stoppers Turn the Stopper 180° Make sure that the O-ring seal is properly located in its place on the cartridge lid. - 26 -...
  • Page 27 Lift the lid back to its place and re-screw the bolts tightly. Go around the filter and locate the Guide Plate of the cartridge that was just inserted and turn it till its V- shape slot points to the central line of the filter Insert Piston#40 into the filter body and make sure that that the following three points are met: The piston is inserted over the Tail Pipe Assembly located in the center line of the filter The piston is inserted in the right direction...
  • Page 28 Piston#40 Insertion Direction This side in - 28 -...
  • Page 29 Gently Push Piston#40 into the filter till it slightly sticks out of the filter housing. Insert the “Piston#50 , the Piston Housing and the filter’s Intermediate Cover Assemblies” over Piston#40 and re-screw the Cover bolts. Make sure that these three components are aligned as shown in the following pictures and verify that the Cover’s O-ring is in place Alignment Direction - 29 -...
  • Page 30 Note Connect the Proximity Switch SW1 to the Piston House Assembly by screwing the sensor to its Mounting block. Don’t move this block! - 30 -...
  • Page 31 Note: Do not change the position of the mounting block! It was calibrated in the factory. 10. Connect the control tube to the Piston House Assembly. 11. Connect the High Pressure pipe to the far end of the Piston House Assembly. 12.
  • Page 32 G. Restarting the filter: Perform a complete “Start-up and First Operation” procedure as described in chapter 4 of the user manual. Important note: An attempt to restart the filter without performing a complete “Start-up and First Operation” procedure may result in serious malfunction of the filter - 32 -...
  • Page 33 H. Cassette Package explosion assembly drawings: - 33 -...

  • Page 34: Bill Of Material

    Bill of material Material List Description: old Cat.#: Catalog #: Grade of Raw quantity: Materials: Stop Plate Assy. 3470501 55-8040-0501 S/ST304 Bearing Partition Assy. 3473502 PTFE , PVC Pipe Central Assy. 3470512 55-8040-0512 S/ST304 Hexagonal Bolt ½”UNC X 50 5631107 85-4111-08-050 S/ST316 Guide Nozzle...
  • Page 35 Product's performance or failure to perform, even if it has been advised of the possibility of such damages. Amiad will be excused for failure to perform or for delay in performance hereunder if such failure or delay is due to causes beyond its reasonable control or force majeure preventing or hindering performance.