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Thread: Demolition Man Claw issue

  1. #1

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    Demolition Man Claw issue

    Hi all
    Iím having an issue with my Demolition Man in that when I first turn it on the Claw immediately moves to the right and out of range
    If I physically move it back into place then it works fine as it should. Obviously I donít want to do this every time I turn on the machine due to possibly damaging the moto gears
    Are there any suggestions here?
    Iíve checked the motor board and Claw Opto and both seem fine


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    At startup it should move all the way right and all the way left. First thought would be an issue with the right opto. Have you checked that all of the optos on the claw work? There are several.

    How does it behave in claw test when you start autorun?

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  3. #3

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    Itís funny as it seems to behave this way only after a considerable time has passed between the machine being turned on.
    The clawís default position is on the far right, it normally moves left first then right.
    However in my case when this happens it moves right first and out of range.
    In Claw test it wonít move left or right unless I physically put it back into ďrangeĒ then the test works fine


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  4. #4

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    Quote Originally Posted by allsportdvd.com View Post
    Itís funny as it seems to behave this way only after a considerable time has passed between the machine being turned on.
    The clawís default position is on the far right, it normally moves left first then right.
    However in my case when this happens it moves right first and out of range.
    In Claw test it wonít move left or right unless I physically put it back into ďrangeĒ then the test works fine


    Sent from my iPhone using Aussie Arcade
    At startup, the claw should sit at the far left, over the ACMAG ramp, then move to the right over the elevator. So it seems like yours is not aligned correctly.

    Loosen the grub screws on the rear of the crane, move the crane within range (far left is probably best) then tighten them. Then it should realise it is in range and adjust itself back to normal.

    www.afpinball.com

  5. #5

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    I think Iím not explaining myself properly
    My description is from the clawís angle. So it starts on its right (at the Acmag spot) moves left towards the elevator then right
    Except on start up it moves to its right past the Acmag until it hits the side of the cabinet


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    Ah, gotcha. I was thinking of it how it appears in the test menu which is reversed.

    Weird. Definitely points to the right opto (at ACMAG). Is the cam that interrupts the opto damaged or loose?

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  7. #7

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    Iíve pulled the whole assembly apart, checked and tested the Opto and it was fine. Replaced the connector to the Opto Board too thinking it might be a loose connection but still the same issue


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    Hmm. Not sure what's going on as the opto and the opto interrupter cam are the only things really to do with it. What happens in claw test mode when you set it to autorun?

    www.afpinball.com

  9. #9

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    The autorun does nothing, the Claw wonít move if itís out of range. I have reseated the boards attached to it and the Claw now twitches towards the wrong way on startup and then rights itself. Fingers crossed


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  10. #10

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    Have the motor wires been accidentally reversed?
    My pins: Wild life EM, Top Score Em, Space Mission EM, Target Alpha EM, Cleopatra SS, Pin*Bot SS, Indiana Jones WPC, Black~Rose WPC.
    My Arcades: Funland Rifle EM, Hankin Table 20", Mame 20" Horizontal Cab, 17 in 1 Horizontal 20" cab, Outrun2 sit down game rear projection, Foosball table.


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