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Page 372 - For all plates ordered to gauge, there will be permitted an average excess of weight over that corresponding to the dimensions on the order, equal in amount to that specified in the following table: TABLE OF ALLOWANCES FOR OVERWEIGHT FOR RECTANGULAR PLATES WHEN ORDERED TO GAUGE.
Page 11 - At each annual meeting the president shall appoint a committee of five whose duty it shall be to report at the next annual meeting subjects for investigation and discussion, and if the subjects are approved by the Association, the president shall appoint special committees to report on them.
Page 381 - ... tons or fraction thereof above this amount. In case of a change of mixture during the heat, one set of two bars shall also be cast for every mixture other than the regular one. Each set of two bars is to go into a single mold. The bars shall not be rumbled or otherwise treated, being simply brushed off before testing.
Page 415 - ... may be serious. In making a service stop with a passenger train, always release the brakes a short distance before coming to a dead stop, except on heavy grades, to prevent shocks at the instant of stopping. Even on moderate grades it is best to do this and then, after release, to apply the brakes lightly, to prevent the train starting, so that, when ready to start, the release will take place quickly. This does not apply to freight trains, upon which the brakes must not be released until the...
Page 408 - ... pounds; the anvil, which is supported on springs, must weigh 17,500 pounds; it must be free to move in a vertical direction; the springs upon which it rests must be twelve in number, of the kind described on drawing ; and the radius of supports...
Page 381 - Where the heat exceeds twenty tons, an additional set of two bars shall be cast for each twenty tons or fraction thereof above this amount. In case of a change of mixture during the heat, one set of two bars shall also be cast for every mixture other than the regular one. Each set of two bars is to go into a single mold.
Page 425 - The authorized pressure, as per special instructions. 30. Q. Why should the authorized pressure be maintained? A. Because this pressure is necessary to get the full braking force which each car is capable of using, and, if it be exceeded, there will be danger of sliding the wheels. 31. Q. How much pressure can be obtained in the brake cylinder by the service application of the brakes with seventy pounds in the auxiliary reservoir? A. About fifty pounds to the square inch, with an 8-inch piston travel....
Page 411 - ... inches. When an axle is tested it must be so placed in the machine that the tup will strike it midway between the ends, and it must be turned over after the first and third blows, and when required, after the fifth blow.
Page 408 - When an axle is tested it must be so placed in the machine that the tup will strike it midway between the ends, and it must be turned over after the first and third blows, and when required after the fifth blow. After the first blow the deflection of the axle under test will be measured in the manner specified below. 6. It is desired that the axles when tested as specified above shall stand the number of blows at the heights specified in the following table without rupture, and without exceeding,...
Page 422 - Responsibility of Inspectors — Inspectors will be held strictly responsible for the good condition of all the brake and signal apparatus upon cars placed in trains at their stations; they will also make any examination of brake apparatus or repairs to the same, which they may be called upon to do by trainmen. , GENERAL QUESTIONS Regarding the use of the AIR BRAKE AND TRAIN SIGNAL.