of railroad iron, post maul, or mower wheel. In riveting a new section in place, the riveted end should be hammered down smoothly with the ball end of a ball-peen hammer. The edges of the riveted end should be hammered down tightly against the section. Hammering the end down flat leaves it rough which increases friction and causes the sickle to draw harder than necessary through the guards and over the ledger plates.
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