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Above photo is of an OEM concave with
840 separator hours of operation. Observe the roundness of the leading edges of the crossbars and the short, uneven distance between the top edges of the suspension rod openings and the top of the crossbar. |
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Hardsurfaced concave after 2300 separator hours of
operation. Has slight cupping of the front face from wear, (about .020) but hardmetal is still at virtually full thickness, depth above suspension rods is correct, and slight top surface wear is even. |
