. American engineer . spindle. This lifting of the valve body is actuated by the camroller K, which strikes the steel ball upon which rests the liftingpin. The lifting pin and lifting collar are fastened to each otherwith a taper pin. This pin passes through the slot of the vertical made of Vi in. x 1 in. iron, and a reach rod of J^-in. round iron, itslength depending, of course, on the height of the steam line fromthe floor. To operate when in the closed or open position, pushthe reach rod up and over until the knocker B rests on opposite 136 AMERICAN ENGINEER. \oL. 86, No. 3. end of the star
. American engineer . spindle. This lifting of the valve body is actuated by the camroller K, which strikes the steel ball upon which rests the liftingpin. The lifting pin and lifting collar are fastened to each otherwith a taper pin. This pin passes through the slot of the vertical made of Vi in. x 1 in. iron, and a reach rod of J^-in. round iron, itslength depending, of course, on the height of the steam line fromthe floor. To operate when in the closed or open position, pushthe reach rod up and over until the knocker B rests on opposite 136 AMERICAN ENGINEER. \oL. 86, No. 3. end of the starting lever A; then by raising and lowering theknocker by means of the reach rod and just enough to producea light blow on the starting lever, the movement of the valve /^ C^n f?efurn Bend. FFoor Lrne^ -4- + Zi- H ^-? s Dehff of Froni End Ccnnecbon. Fig. 10—Device for Operating Overhead Plug Valves. is very easily accomplished without any excessive strain on thevalve outfittings. RECLAIMIXG CROSSHEAD SHOES. Crosshead shoes that have become worn at D (Fig. 11), dueto the lateral movement of the shoe on its center while in serviceare closed to the standard width bv the use of the device shown
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectrailroa, bookyear1912
