. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . on the pump head at frequentintervals. When a high pressure is used there is a tendency fora gummy substance to collect around the feed stems andcones. This substance can be removed and the glassescleaned and filled in the following manner: After all the oil is fed from the lubricator, the press-ure should be left turned on and all feeds closed exceptone. The vent stem to this feed should then be opened,which will allow the condensation to circulate and thor-ou
. Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules . on the pump head at frequentintervals. When a high pressure is used there is a tendency fora gummy substance to collect around the feed stems andcones. This substance can be removed and the glassescleaned and filled in the following manner: After all the oil is fed from the lubricator, the press-ure should be left turned on and all feeds closed exceptone. The vent stem to this feed should then be opened,which will allow the condensation to circulate and thor-oughly cleanse the feed stem, cone and glass. The ventstem should be closed and the glass will immediately fillwith condensation from the lubricator. The feed stemshould then be closed. The same operation should be re-peated with the other feeds. The water feed valvesshould then be closed, the body of the lubricator blownout and the lubricator then filled with oil in the usualmanner. i5i PISTON AND VALVE=STEM PACKING. UNITED STATES METALLIC PISTON AND VALVE-STEM PACKING. Plate 42 shows a sectional view of the piston rod pack- PLATE 42. List of Parts. 2. Babbitt Metal Ring 6. Vibrating Cup 3. Follower 7. Gland 4. Ball Joint 8. Preventer 5. Swab Cup 152 PISTON AND VALVE-STEM PACKING. Plate 43 shows a sectional view of valve-stem pack-ing. List of Parts. 2. Babbitt Metal Ring 6. Vibrating Cup 3. Follower 7. Gland 4. Ball Joint 8. Preventer 5. Swab Cup 9. Support
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Keywords: ., bookauthornationalcorrespondenc, bookcentury1900, bookdecade1900
