How to replace/clean element

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How to replace element

Please check the model code of your filter.

Filter type Model code

Upward extraction type

 		UL type, UM type, UH type, LCN type * 1, TL type * 1, TR type * 1, TRF type * 1, TSF type * 1, TRF type * 1, VN type * 1

Downward extraction type

 		351 type, 3501 type, 3502 type, SH type, TM type

Modular type

 		4201 type, GC type, GF type, GM type, MVF type * 1

Horizontal extraction type

 		ISH type, STU type

Center rod type

 		LN type, LND type, AK type * 1

Duplex type

 		BCS type * 1, BCV type, BDV type, BOS type * 1, COS type * 1

Cartridge type

 		107 type, CF type, CS type, FP-400Z type
※1 Please refer to instruction manual in the Product page for details.

Topless type

  • Preparation

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    After stopping the hydraulic system and confirming that the pressure of the filter has reached [0], remove the drain plug and completely drain the oil inside the main body.

  • Disassembly

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    Remove the bolt that tightens the lid, turn the lid left and right and pull it out to the top, and the spout and element can be taken out as one.

  • Confirmation of replacement parts

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    Wire mesh elements and notch wire elements can be washed and reused, but filter paper elements should be new. (Photo filter paper element)
    Please also prepare a seal material set (SP) for element replacement.

  • Replacing the element

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    Remove the used element from the spout and install a new (or cleaned) element.
    For the element replacement sealant, remove the used sealant and replace it with a new one.

  • Reassembly, confirmation

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    Assemble in the reverse order of disassembly. At that time, be sure to confirm that the flow direction of the fluid indicated on the lid is correct.
    Close the lid bolt and drain plug to the specified torque.

Undercut type

  • Preparation

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    After stopping the hydraulic system and confirming that the pressure of the filter has reached [0], remove the drain plug and completely drain the oil inside the main body.

  • Disassembly

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    Put a spanner on the two-sided chamfer of the lower cover and turn the cover to loosen it.

  • Disassembly２

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    When you can turn it lightly, turn it by hand and pull out the lower cover downward.
    For high pressure filters, pay attention to the weight of the case.

  • Disassembly３

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    If you pull the element downward, the element will come off.

  • Confirmation of replacement parts

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    ire mesh elements and notch wire elements can be washed and reused, but filter paper elements should be new. (Photo filter paper element)
    Please also prepare a sealing material (SP) for element replacement.

  • Reassembly, confirmation

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    Assemble in the reverse order of disassembly.
    Close the drain plug with the specified tightening torque.

Manifold type

  • Preparation

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    After stopping the hydraulic system and confirming that the filter pressure has reached [0], loosen the air bleeding plug, remove the drain plug, and completely drain the oil inside the main body.
    * For series without a drain plug in the filter body, drain the manifold block side.

  • Disassembly１

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    Put a spanner on the top of the lid, turn the cover to loosen it, and remove it.

  • Disassembly２

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    Pull the element upwards.

  • Confirmation of replacement parts

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    Wire mesh elements and notch wire elements can be washed and reused, but filter paper elements should be new. (Photo filter paper element)
    Please also prepare a sealing material (SP) for element replacement.

  • Reassembly, confirmation

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    Assemble in the reverse order of disassembly.

Horizontal punching type

  • Preparation

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    After stopping the hydraulic system and confirming that the pressure of the filter has reached [0], remove the drain plug and completely drain the oil inside the main body.

  • Disassembly１

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    Remove the bolts that secure the cover and pull the cover sideways.

  • Disassembly２

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    Remove the element from the case.

  • Confirmation of replacement parts

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    Since the element is a wire mesh type, it can be washed and reused, but if there are harmful scratches or there is no cleaning effect, prepare a new one.
    Please also prepare a sealing material (SP) for element replacement.

  • Reassembly, confirmation

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    Assemble in the reverse order of disassembly.

Center rod type

  • Preparation

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    After stopping the hydraulic system and confirming that the pressure of the filter has reached [0], remove the drain plug and completely drain the oil inside the main body.

  • Disassembly１

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    Remove the nut and pull out the case downward.

  • Disassembly２

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    Remove the round nut, washer, and packing that secure the element, and pull out the element downward.

  • CONFIRMATION OF REPLACEMENT PARTS

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    Wire mesh elements and notch wire elements can be washed and reused, but filter paper elements should be new. (Photo filter paper element)
    Please also prepare a sealing material (SP) for element replacement.

  • REASSEMBLY, CONFIRMATION

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    Assemble in the reverse order of disassembly.

Switching type

  • Preparation

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    After stopping the hydraulic system and confirming that the filter pressure has reached [0], loosen the drain valve and completely drain the oil inside the main body.
    It can be replaced even during operation, but in that case, make sure that the switching valve is switched to the opposite side before starting work. (The photo is an example of shutdown, so there is a valve on the replacement side.)

  • DISASSEMBLY１

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    Remove the center rod.

  • DISASSEMBLY２

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    Please remove the case.

  • DISASSEMBLY３

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    Remove the element.

  • CONFIRMATION OF REPLACEMENT PARTS

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    Wire mesh elements and notch wire elements can be washed and reused, but filter paper elements should be new.
    Please also prepare a sealing material (SP) for element replacement.
    * The SP seal kit is for one element. Please prepare two sets when exchanging both.

  • REASSEMBLY, CONFIRMATION

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    Assemble in the reverse order of disassembly.

Cartridge type

  • Removal

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    Stop the hydraulic system, check that the filter pressure is [0], and then turn the cartridge to loosen it.
    When using a cartridge wrench or belt wrench, use a wrench near the main body to loosen it.

  • Removal

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    There is oil in the cartridge, so be careful of the weight and pull it down.

  • CONFIRMATION OF REPLACEMENT PARTS

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    Please prepare a new cartridge. Used cartridges cannot be regenerated.

  • ASSEMBLING１

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    Apply oil or grease to the packing surface of the new cartridge and the mounting surface of the main body.

  • ASSEMBLING２

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    Turn a new cartridge by hand and close it to the specified torque value using a cartridge wrench or the like.

How to clean element

How to clean wire gauze & notch wire element

Please clean used elements with light crude (light oil, kerosene, etc.) according to the following procedure.
※ Make sure that only wire gauze and notch wire element are usable. Paper element should be replaced to the new one.

For 40 Mesh – 40 µm element

  • 1. Immerse elements in light oil and shake them vertically and horizontally.

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  • 2. Brush off dirt on elements along the pleats.

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  • 3. Blow off dirt by air spray gun.

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  • 4. Rinse well.

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  • 5. Dry by air spray gun.

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For element finer than 40 µm

For wire gauze elements finer than 25 µm, clean the dirt on its surface mostly following the above procedure, and then be sure to use ultrasonic cleaning.
Place the elements at oscillator side vertically and alternately for at least 1 hour each though it depends on capability of ultrasonic cleaning machine and degree of dirt of elements.

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