Polar Standard 115 Cutting Machine

Discussion in 'Cutters and Trimmers' started by Amaresh Gaja, Aug 22, 2023.

  1. Amaresh Gaja

    Amaresh Gaja Member

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    Goodday, we use an old polar standard 115 for cutting paper. Some time ago we had an oil leak and the machinist kept using the machine until it stopped working. We removed the hydraulic pump and needed to replace it because it was running dry.
    We bought a pump from China because we could not find the original pump to replace. (picture included )
    The machine starts and runs smooth but the cutting knife wont engage. it stays on the same spot. We have filled the oil in the container to where it is supposed to be and we here an electronic clicking sound when pressing the buttons to engage the knife but it does not move. We are still busy testing out what the problem is. In the mean time i am making this thread in the hope someone has an answer for me we are overlooking. Thank you
     

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  2. oabrahim

    oabrahim Member

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    Hello Amaresh,

    What model of Polar cutter do you have?
    it appears in the plate with serial number, let us know.
     
  3. CHOCK

    CHOCK Senior Member

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    Hi sir:

    If you have 115 Old POLAR, you must BLEED the complete system, and PUT a new Hydraulic oil, recommend by the factory POLAR, like SHELL tellus OEL 32, or similar.

    The capacity is 30 litters, and then start bleeding very well, otherwise, the system has air, and the machine WILL NOT WORK....!

     
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  4. Amaresh Gaja

    Amaresh Gaja Member

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    here is the serial number
     

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  5. Amaresh Gaja

    Amaresh Gaja Member

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    Thank you we will try that and let you know
     
  6. CHOCK

    CHOCK Senior Member

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    Proceed as I did indicate you before, your machine is Polar 115 CS,, with electronic boards.

    You must to check after bleeding the machine, the Safety Bolt control .

    Blessings
     
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  7. Amaresh Gaja

    Amaresh Gaja Member

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    just an update... the lines do not have air in the system.. we tested the high pressure valve and we can press the ball with our finger... the person repairing the machine says the pump is not ok because it does not give enough pressure to let the knife work.. so now we are going to check if we can repair the old pump..
     
  8. CHOCK

    CHOCK Senior Member

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    Ok, but measure with manometer in Bar x test the pressure pump.

    Max:110 bar - Min 30 bar.

    Blessings
     
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  9. Amaresh Gaja

    Amaresh Gaja Member

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    goodday again.... we have concluded that the hydraulic pump is the problem... we had bought one from china.... does anyone know where i can buy a hydraulic pump for a Polar 115 CS ?
     
  10. CHOCK

    CHOCK Senior Member

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    Very difficult, to get the pump original from Polar.

    You must repair or Adapt it.

    Blessings.
     
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  11. Amaresh Gaja

    Amaresh Gaja Member

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    thank you.. that will be the mission for this year :) Thank you
     
  12. CHOCK

    CHOCK Senior Member

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    Ok.

    Blessings
     
  13. er.bajaj001@gmail.com

    er.bajaj001@gmail.com Member

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    Hey,
    Did you Bleeded some oil from the 6mm Bolt on the Gear Box?

    And How Much Pressure you are getting on Knief Gear box Piston?



    Bajaj Engg
    Mayank Bajaj
    +9181066-66607
     
  14. CHOCK

    CHOCK Senior Member

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    Sir Proceed as I did indicated you before.

    If you have ant doubt let me know, his email.
     
  15. Marina Graphics Center

    Marina Graphics Center Member

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    where and how do you bleed the air for the foot operated clamp after the oil is filled?
     
  16. Marina Graphics Center

    Marina Graphics Center Member

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    our 115 EMC ran low on oil. we filled it and everything works perfect except the clamp goes down about 2 inches only when foot pedal is depressed but works great when you operate the knife. Where and how do I bleed the air for the clamp?
     
  17. CHOCK

    CHOCK Senior Member

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    there are many places, where do you need to bleed the system.
     
  18. Marina Graphics Center

    Marina Graphics Center Member

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    I see no 6mm screw but #1 sol valve is dripping. I do see a fitting with a ball bearing at the closest actually there are 2 of these also one on the cutter sol
     

  19. Marina Graphics Center

    Marina Graphics Center Member

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    I just need to know if bleeding it and where will fix the problem I am having...the clamp only travels about 30mm with the pedal . The clamp works fine when operating the knife switches
     

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