Air Brakes and Train Handling Rules - Alaska Railroad
Air Brakes and Train Handling Rules - Alaska Railroad Air Brakes and Train Handling Rules - Alaska Railroad
63 Train Equipment and Operation63.5.2 Use Angle Cocks and Air Hoses ProperlyA. Angle CocksWhen opening or closing angle cocks:1. Do not leave angle cocks partially open or closed.2. Do not use excessive pressure or force.3. When cutting air in with the brake pipe charged:a. Make a 20 psi brake pipe reduction.b. Signal that the brake valve exhaust has stopped by soundingthe horn once or using the radio.c. Open angle cocks slowly to prevent an emergency brakeapplication.If releasing the air brakes on locomotives orcars might cause the cars to move when theair is cut in, make a 40 psi brake pipe reductionbefore opening the angle cock.B. Air HosesBefore coupling air hoses between locomotives or cars:1. Blow all condensation from the locomotive brake pipe or yardair line.2. Inspect the air hose, gasket, and glad hand for damage.3. Before coupling air hoses, remove all snow, ice, dirt, and otherobstructions.4. Whenever possible, secure air hoses on locomotives and carsduring all movements to prevent the hoses and glad hands fromdragging and becoming damaged.June 1, 1996 ARRC Air Brakes and Train Handling Manual 63-5
63 Train Equipment and Operation63.6 Charging the Brake SystemConditions such as temperature, car length, leakage, and cars partiallycharged affect the time required to properly charge cars and trains.Charge an empty brake system for the appropriate amount of time tomake sure that the system functions as needed. When charging thesystem:1. Repair as much of the brake system leakage as possible.2. Do not charge the train brake system with more than one automaticbrake valve in a locomotive consist cut in.3. Do not increase diesel engine RPM to maintain main reservoirpressure, unless the pressure fails to stay 15 psi above the regulatingvalve setting.a. If engine RPM must be increased, do not exceed throttleposition #4.63.6.1 Charging Time ChartWhen the brake system is empty, use Table 63-A to determine theminimum and maximum charging times.Numberof CarsMinimum and Maximum Charging TimesWhen Brake System Is EmptyBrake PipeLength(in feet)MinimumCharging Time(in minutes)MaximumCharging Time(in minutes)50 or less 2,500 or less 8 2560 3,000 10 3080 4,000 15 35100 5,000 20 40120 6,000 26 55Table 63-A. Charging Time Chart.63-6 ARRC Air Brakes and Train Handling Manual June 1, 1996
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63 <strong>Train</strong> Equipment <strong>and</strong> Operation63.6 Charging the Brake SystemConditions such as temperature, car length, leakage, <strong>and</strong> cars partiallycharged affect the time required to properly charge cars <strong>and</strong> trains.Charge an empty brake system for the appropriate amount of time tomake sure that the system functions as needed. When charging thesystem:1. Repair as much of the brake system leakage as possible.2. Do not charge the train brake system with more than one automaticbrake valve in a locomotive consist cut in.3. Do not increase diesel engine RPM to maintain main reservoirpressure, unless the pressure fails to stay 15 psi above the regulatingvalve setting.a. If engine RPM must be increased, do not exceed throttleposition #4.63.6.1 Charging Time ChartWhen the brake system is empty, use Table 63-A to determine theminimum <strong>and</strong> maximum charging times.Numberof CarsMinimum <strong>and</strong> Maximum Charging TimesWhen Brake System Is EmptyBrake PipeLength(in feet)MinimumCharging Time(in minutes)MaximumCharging Time(in minutes)50 or less 2,500 or less 8 2560 3,000 10 3080 4,000 15 35100 5,000 20 40120 6,000 26 55Table 63-A. Charging Time Chart.63-6 ARRC <strong>Air</strong> <strong>Brakes</strong> <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling Manual June 1, 1996