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    CNC cutting brake
    #1
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    Taking a CNC cutting brake apart to do a rebuild, 5/8 Dia pistons


    CNC cutting brake-img_2114-1.jpg

    CNC cutting brake-img_2115-1.jpg

    CNC cutting brake-img_2117-1.jpg
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    Re: CNC cutting brake
    #2
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    Remove pins to lever arms.

    CNC cutting brake-img_2118-1.jpg
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    Re: CNC cutting brake
    #3
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    Remove mounting bolts to bracket.

    CNC cutting brake-img_2119-1.jpg

    CNC cutting brake-img_2120-1.jpg
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    Re: CNC cutting brake
    #4
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    Remove red rod ends and lock nuts and boots.

    CNC cutting brake-img_2122-1.jpg

    CNC cutting brake-img_2123-1.jpg
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    Re: CNC cutting brake
    #5
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    Remove Allen wench screws from brake body at end near push rods. When you put the brake cylinder back together be careful when you tighten the Allen wench screw, it tighten against the aluminum threads on the brake body end cap.

    CNC cutting brake-img_2124-1.jpg

    CNC cutting brake-img_2125-1.jpg

    CNC cutting brake-img_2126-1.jpg
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    Re: CNC cutting brake
    #6
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    Remove the end cups on the brake cylinder body that hold the piston assembly in place. To do this jam a screwdriver into the body end cap. Turn the screwdriver to unscrew the body end cap. This is how CNC says to do it. The design leaves something to be desired.

    CNC cutting brake-img_2129-1.jpg

    CNC cutting brake-img_2131-1.jpg

    CNC cutting brake-img_2132-1.jpg

    CNC cutting brake-img_2133-1.jpg
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    Re: CNC cutting brake
    #7
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    I had problems unscrewing the body end cap on one of the brake cylinders with a screwdriver. I pounded a chisel into the end cap to spin it out. When I was done I did not see any damage.

    CNC cutting brake-img_2136-1.jpg

    CNC cutting brake-img_2138-1.jpg

    CNC cutting brake-img_2140-1.jpg

    CNC cutting brake-img_2141-1.jpg
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    Re: CNC cutting brake
    #8
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    I had to use compressed air to blow the piston assembly out of the cylinder.

    CNC cutting brake-img_2139-1.jpg

    CNC cutting brake-img_2134-1.jpg

    CNC cutting brake-img_2135-1.jpg

    CNC cutting brake-img_2133-1.jpg
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    Re: CNC cutting brake
    #9
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    At this point install the parts from the rebuild kit and reassemble the brake cylinders.
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    Re: CNC cutting brake
    #10
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    this link shows how to connect the brake lines to the brake cylinder
    In-Line Cutting Brake at The Chassis Shop

    this link shows the part number for the brake
    Cnc Dual Handle 5/8 Inch Bore Steering Brake With Upright Handles And Red Knobs
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