Air Brakes and Train Handling Rules - Alaska Railroad
Air Brakes and Train Handling Rules - Alaska Railroad Air Brakes and Train Handling Rules - Alaska Railroad
61 Air Brake Tests• The train passes a summit in mountain grade territory.• The train starts a descent on a grade where brakes are requiredto control train speed.• The train meets another train. Conduct the running air brake testat least 2 miles before the trains meet.61.8.1 Procedure For Running Air Brake TestTo conduct a running air brake test:1. Before conducting the running air brake test, tell crew membersthat you will be conducting the test.2. Begin the running test of the brakes as soon as train speed is highenough to prevent stalling.3. While using enough power to keep the train stretched:a. Apply the train brakes with enough force to make sure thetrain brakes are operating properly.b. Keep the locomotive brakes released during the test.c. Verify that the train brakes create a noticeable retardingforce.4. If the train brakes are operating properly, release the brakes andproceed.NOTE: Do not apply the locomotive or dynamic brakes duringa running test.61.8.2 Brakes Not Operating ProperlyIf the train brakes are not operating properly, stop the train immediatelyand:1. Inspect the brakes to identify and correct the problem.2. Before proceeding, conduct an application and release test asspecified in Rule 61.7, Application and Release Test.61-10 ARRC Air Brakes and Train Handling Manual June 1, 1996
61 Air Brake Tests3. Once the train is proceeding, immediately repeat the running testas specified in Rule 61.8.1, Procedure For Running Air BrakeTest.61.9 Air Brake Test ChartUse the chart in Figure 61-A to determine major steps in air braketests. This chart does not contain all requirements. Refer to thischapter for complete rules.TRAIN AIR BRAKE TESTSThis chart contains the main points of air brake tests. It does not supersede therequirements of ARRC Air Brake and Train Handling Rules.Type of Testand ARRCRuleNumberCharge ToSystem IsWithin 15psi OfRegulatingOr FeedValveChargeSystemTo NotLess Than60 psiNoSpecifiedCharge InBrakeSystemAir FlowLess Than60 CFM20 psiBrake PipeReductionBrakes Applied Brakes ReleasedCar(s)PickedUpRearCarEntireTrainBrakePipeLeakageTestEntireTrainRearCarCar(s)PickedUpInitialTerminal61.3Add CarsNotPretested61.4.2LKGAFMLKGAFMAdd Pretested Cars61.4.1######Cut Off AndRecoupled SameLoco. & Train 61.6#Application andRelease Test61.7##Yard MovementLess Than 20Miles 61.5Locomotive OnAfter A YardAir Test 61.3.4C### If available, use the EOT telemetry device to determine application and release on rear car (see Rule 61.2.5).BrakePipePressureBeingRestored#####Figure 61-A. Air Brake Test Chart.June 1, 1996 ARRC Air Brakes and Train Handling Manual 61-11
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61 <strong>Air</strong> Brake Tests3. Once the train is proceeding, immediately repeat the running testas specified in Rule 61.8.1, Procedure For Running <strong>Air</strong> BrakeTest.61.9 <strong>Air</strong> Brake Test ChartUse the chart in Figure 61-A to determine major steps in air braketests. This chart does not contain all requirements. Refer to thischapter for complete rules.TRAIN AIR BRAKE TESTSThis chart contains the main points of air brake tests. It does not supersede therequirements of ARRC <strong>Air</strong> Brake <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling <strong>Rules</strong>.Type of Test<strong>and</strong> ARRCRuleNumberCharge ToSystem IsWithin 15psi OfRegulatingOr FeedValveChargeSystemTo NotLess Than60 psiNoSpecifiedCharge InBrakeSystem<strong>Air</strong> FlowLess Than60 CFM20 psiBrake PipeReduction<strong>Brakes</strong> Applied <strong>Brakes</strong> ReleasedCar(s)PickedUpRearCarEntire<strong>Train</strong>BrakePipeLeakageTestEntire<strong>Train</strong>RearCarCar(s)PickedUpInitialTerminal61.3Add CarsNotPretested61.4.2LKGAFMLKGAFMAdd Pretested Cars61.4.1######Cut Off AndRecoupled SameLoco. & <strong>Train</strong> 61.6#Application <strong>and</strong>Release Test61.7##Yard MovementLess Than 20Miles 61.5Locomotive OnAfter A Yard<strong>Air</strong> Test 61.3.4C### If available, use the EOT telemetry device to determine application <strong>and</strong> release on rear car (see Rule 61.2.5).BrakePipePressureBeingRestored#####Figure 61-A. <strong>Air</strong> Brake Test Chart.June 1, 1996 ARRC <strong>Air</strong> <strong>Brakes</strong> <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling Manual 61-11
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