Locomotive catechism; an up-to-date, practical and complete work on the locomotive--treating on the design, construction, repair and running of all kinds of locomotives .. (1908)
Grimshaw, Robert, 1850- [from old catalog] · New York, The N. W. Henley publishing company · leaf 653
h 638 LOCOMOTIVE CATECHISM. waste or packing (held in by the gland), the main rod takendown and the crosshead blocked; then the engine may go onwith as much train as possible. In the case of a balanced valvethe board on the seat is omitted. (Fig. 396.) Q. How may the valve be blocked without taking… … Fig- 396- Balanced Valve Blocked in Steam Chest. plug long enough to reach from the D-valve to the relief valvewhen the latter is screwed in place. Q. After disconnecting, is there any way to clamp a valvestem having United States packing, or zvould you have to re-move the steam-chest cover and…
Locomotives
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