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  1. Take P18 Lay P19 flat
    • Take P18

    • Lay P19 flat

    • Weld P18 with 1" overlap onto center of 19

  2. Weld 20 to make 1/2" of 19 (cutting knife) exposed at the cutting edge Repeat for the total 12 teeth
    • Weld 20 to make 1/2" of 19 (cutting knife) exposed at the cutting edge

    • Repeat for the total 12 teeth

  3. Weld 4 teeth at the proper spacing (4" on center ? and 2" on center from edge ? ) to part 15 (tooth bar bolt bar), with X inches overlap between 18 and 15 Repeat for the 2 other parts 15
    • Weld 4 teeth at the proper spacing (4" on center ? and 2" on center from edge ? ) to part 15 (tooth bar bolt bar), with X inches overlap between 18 and 15

    • Repeat for the 2 other parts 15

  4. Grind teeth at 45 degree angle with tooth bar weldment in a vice
    • Grind teeth at 45 degree angle with tooth bar weldment in a vice

    • Water harden or air harden the teeth by heating to red hot with acetylene torch and then dunking in water

    • Quality control Checklist

    • Make sure that 18 and 19 overlap by 1"

    • Make sure that 18 and 19 are centered with respect to one another

    • Make sure that 1/2" of cutting knife is exposed, and that 1/4" is exposed after grinding

    • Make sure that 15 is oriented with the holes pointing away from the teeth

    • Make sure that the angle between 15 and 18 is 90 degrees

Andrew Graham

Member since: 2/15/14

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