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IndustryArena Forum > MetalWorking Machines > Daewoo/Doosan > Doosan Tech-Docs and Service Bulletins
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  1. #1
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    Feb 2013
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    Doosan Tech-Docs and Service Bulletins

    I will add our Tec-Docs and Service Bulletins by their priority. If a specific procedure is needed, please make a specific request.

    All requests should include the following information:
    Model:
    Serial Number:
    Control Version:
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  2. #2
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    Feb 2013
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    Re: Doosan Tech-Docs and Service Bulletins

    How to tell if your lube lines are leaking, or distribution ports are malfunctioning, or if the pump is failing.

    If working correctly:

    Watching the analog needle gauge during operation should show the following...
    1. The transition from A to 6 should be smooth.
    2. The slight pause at 6 to C as the ports charge.
    3. The transition from C to 16/E should mimic the smoothness of step 1
    4. E to F should hold pressure as long as the Lube-on timer is active.
    5. The transition from F to H should be rapid.
    6. Ever-so-slight needle slowing action at the end.

    Areas of issue:
    1. All timing transition take a long time.
    A. Pump is failing?
    i. remove main line from pump and plug off pump, then test
    a. If pump get to correct pressure immediately it is functioning.
    b. If pump is slow or does not make it to correct pressure = pump has issue.
    B. Leak in Main Lines
    i. Locate and repair leak in Main Line.

    2. Long pause at 6 to C (only)
    A. Sticky distribution port, closing slowly.
    i. Replace effected port assembly

    3. Long pause at 6 to C and long transition from C to E
    a. Issue with distribution port(s) remaining open (or broken)
    i. Replace effected port assembly

    4. E to F fluctuates of not correct (verify step 1.A.i.b.)
    A. Pressure regulator has issue.
    i. Adjust or replace regulator.

    5. Transition from F to H is slow
    A. Pressure relief valve plugged or faulty


    If in doubt of the action, email me a video of the gauge when manually activating the lube pump.
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  3. #3
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    Feb 2013
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    788

    Re: Doosan Tech-Docs and Service Bulletins

    How to Upload/Download Ladder for F-30 Series Controller
    Attached Thumbnails Attached Thumbnails tec2010-19.pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  4. #4
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    Feb 2013
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    788

    Re: Doosan Tech-Docs and Service Bulletins

    HOW TO SET THE HOME POSITION (DOGLESS) for Absolute Position Coder style of machine
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  5. #5
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    788

    Re: Doosan Tech-Docs and Service Bulletins

    HOW TO SET THE HOME POSITION (DOG) for Home Switch style machines
    Attached Thumbnails Attached Thumbnails TEC2013-65 HOW TO SET THE HOME POSITION(DOG).pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  6. #6
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    Re: Doosan Tech-Docs and Service Bulletins

    How to regarding Electrical and Ladder

    Basic Training course on Ladder and Electrical

    PDF is of the "PMC Maintenance Basic Training Manual"

    An understanding of basic Electronics would be helpful when reading this manual...
    Attached Thumbnails Attached Thumbnails PMC Maintenance Basic Training Manual.pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  7. #7
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    Feb 2013
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    788

    Re: Doosan Tech-Docs and Service Bulletins

    How to Re-alignment a Lathe Sub Spindle to the Main
    Attached Thumbnails Attached Thumbnails tec2008-33.pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  8. #8
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    Re: Doosan Tech-Docs and Service Bulletins

    How to use TRACE on a 16i, 18i, or 21i control.
    TRACE allows for the recording of selected inputs and outputs, using various start-triggers and/or stop-triggers. Allowing I/O from before the alarm to be looked at, after the alarm.
    Attached Thumbnails Attached Thumbnails 5. TRACE(2006.10.19).pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  9. #9
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    Re: Doosan Tech-Docs and Service Bulletins

    How to use TRACE on a 0i, 31i, or 32i Control
    TRACE allows for the recording of selected inputs and outputs, using various start-triggers and/or stop-triggers. Allowing I/O from before the alarm to be looked at, after the alarm.
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  10. #10
    Join Date
    Nov 2007
    Posts
    361

    Re: Doosan Tech-Docs and Service Bulletins

    is there a procedure for cleaning or deburring he cervic coupling
    puma 400 b
    ml0126-004758
    fanuc contro; i seris

  11. #11
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    Re: Doosan Tech-Docs and Service Bulletins

    Quote Originally Posted by Michael82 View Post
    is there a procedure for cleaning or deburring he cervic coupling
    puma 400 b
    ml0126-004758
    fanuc contro; i seris
    Curvic couplings are precision mated three pieces. If repair is needed...replace it.
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  12. #12
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    Re: Doosan Tech-Docs and Service Bulletins

    Quote Originally Posted by Michael82 View Post
    is there a procedure for cleaning or deburring he cervic coupling
    puma 400 b
    ml0126-004758
    fanuc contro; i seris
    Why, exactly, do you need to clean or deburr your curvic?
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  13. #13
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    Nov 2007
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    361

    Re: Doosan Tech-Docs and Service Bulletins

    Because when I rotate my turret with an indicator on the back side it is fine but when indicating across the front where the tool block bolts to station 2 is within .001 going across in z axis but when I rotate turret to the opposite side it is out .004" I was told by my local tech from AMTTECH in Houston that I may need to polish the curvic coupling , that being the reason why it is running out

  14. #14
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    Nov 2007
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    361

    Re: Doosan Tech-Docs and Service Bulletins

    and too it has been crashed and the machine needs new alignment pins and since I will be this deep into the turret I might as well try and correct this issue as well

  15. #15
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    Re: Doosan Tech-Docs and Service Bulletins

    If a turret is rotating while crashing the curvic is not engaged and therefor should not be damaged by the crash.

    If the curvic is engaged during a crash, the pins should pull loose, within the play of the holes for the retaining bolts...so the alignment holes get damaged, but not the curvic (in every instance that I've ever heard of or seen)

    To warp the curvic, or damage its mating faces is new to me. under even EXTREME crashing.

    (even rotationally "ripping" the curvic would only cause it to "climb" the slopes of the mated surface when overcoming the hydraulic pressure.)


    but, I am definitely understanding that I have not seen everything.

    I suggest a very good inspection of the curvic's three pieces before altering anything on them.
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  16. #16
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    Nov 2007
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    361

    Re: Doosan Tech-Docs and Service Bulletins

    ok I see and understand the tech told me this may have been shipped from the factory with burrs on them

  17. #17
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    Nov 2007
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    361

    Re: Doosan Tech-Docs and Service Bulletins

    the reason I think it may b the curvic is because the turret is not 0 in the "z" axis . What do u think it might be . When I go to realign the turret indicationg across the turret in the "z" axis it is 0 on pocket 2 but 180 degrees from it the turret is out .004"

  18. #18
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    Re: Doosan Tech-Docs and Service Bulletins

    Quote Originally Posted by Michael82 View Post
    ok I see and understand the tech told me this may have been shipped from the factory with burrs on them
    Anything is possible, but we have no history of that happening, yet.

    Note: we create them as "MATED" the 3 pieces are so precision that they are only used as a set. (also replaced as a set)

    We probably do a very precise quality check on a part that only works if perfectly mated...
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  19. #19
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    Re: Doosan Tech-Docs and Service Bulletins

    Servo Turret Troubleshooting manual

    (Note: this might apply to some ATC or Magazine Drives)
    Attached Thumbnails Attached Thumbnails Servo turret maintanence manual.pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

  20. #20
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    Re: Doosan Tech-Docs and Service Bulletins

    If you are experiencing Intermittent Abnormal electrical issue, it might be one of the following

    1. Excessive voltage (due to +/- 10%)
    2. Wild-leg on the wrong line.


    To address these issues, see attached.
    Attached Thumbnails Attached Thumbnails Voltage Wild leg Phase issues.pdf  
    Doosan Service Technician
    [email protected] O:973-618-2461 M:973-803-9479

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