Locomotive text for engineers and firemen; a complete treatise on the engine, electric head-light and standard code of train rules (1908)
National correspondence school of railroading, Chicago. [from old catalog] · [Chicago] · leaf 163
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… … PLATE 43. Construction and Operation. The principle of opera-tion is as follows: The babbitt metal rings which serveto make the joint around the piston are the only partswhich come in contact with the rod. These rings arecontained in the vibrating cup, and are forced into the cupagainst the rod,…
Locomotives
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