Introduction
Outline what you are going to teach someone how to do.
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Take P18 Rebar
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Lay P19 flat
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Weld P18 with 1" overlap onto center of P19
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Weld P20 to make 1/2" of P19 (cutting knife) exposed at the cutting edge
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Repeat for the total 12 teeth
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Weld 4 teeth at the proper spacing (4" from the left to rebar centre and 2" from the right edge to rebar center ) to part 15 (tooth bar bolt bar), with 3 inches overlap between P18 and P15 The teeth go on the side farthest from the bolt holes.
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Repeat for the 2 other P15 parts
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Grind teeth at 45 degree angle with tooth bar weldment in a vice
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Water harden or air harden the teeth by heating to red hot with acetylene torch and then dunking in water
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Quality control Checklist
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Make sure that P18 and P19 overlap by 1"
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Make sure that P18 and P19 are centered with respect to one another
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Make sure that at least about 1/2" of cutting knife is exposed after grinding
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Make sure that P15 is oriented with the side closest the holes on the side farthest away from the teeth
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Make sure that the angle between the long leading edge of P15 and P18 is 90 degrees i.e. those teeth are pointing straight outwards.
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Open the lid after testing hydraulics, place a support underneath the lid for safety, and lift the bucket off the ground using the Lifetrac arms, or tilt the entire contraption and support with blocks.
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Fit the 3x P15 Digging Teeth Plates with 1" bolts to the Bucket, keeping the nuts on the topside.
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