Air Brakes and Train Handling Rules - Alaska Railroad

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Independent BrakeGlossaryA device used to operate the air brakes on a locomotive independentof the automatic brakes.Independent Pressure Switch (IPS)A device on a locomotive that cancels the extended range portionof dynamic braking or all dynamic braking when enough independentbrake cylinder pressure is applied. This switch preventsthe locomotive wheels from sliding because of excessive braking.Integrated Cab Electronics (ICE)The feature that uses computer-controlled display screens tointegrate the control stand functions with the operator-controlledelectronics.JackknifingWhen the center sill between two rail vehicles is excessivelymisaligned, or the coupler is angled sharply. Usually caused byexcessive buff forces.Load Indicating MeterThe amp meter or tractive effort meter that measures forcegenerated by traction motors.LocomotiveA unit or combination of units propelled by any form of energyand operated from a single control.Light Locomotive: A locomotive operating without cars.Locomotive Consist: One or more units with multiple unit(MU) connectors coupled, cut in, and operated from a singlecontrol.June 1, 1996 ARRC Air Brakes and Train Handling Manual G-9
GlossaryLocomotive Cab Unit (LCU)A telemetry transmitter/receiver that provides the locomotiveengineer with the displays and controls needed to monitor andoperate the associated EOT device.L/V RatioThe ratio of lateral force (a wheel trying to climb the rail) to thevertical force (weight of a car or locomotive and its load).Excessive L/V can contribute to rail turnover, wheel climb, andderailments.Main ReservoirA reservoir on a locomotive that stores, cools, and dries thesupply of compressed air.Minimum ReductionA 5 to 7 psi service brake pipe reduction. It takes advantage of“quick service” and minimizes in-train forces caused by theserial action of a brake application.MU-2A ValveA device used to cut the independent brake valve in or out.Multiple Unit (MU) ConnectionsThe hoses and cocks at both ends of locomotives that connect airbrake equipment in a locomotive consist, allowing operationfrom a single control. MU connections include:Actuating (ACT): When charged with main reservoir air, causesa release of an automatic brake application on locomotives.Independent Application and Release (IAR): Controls independentbrakes on locomotives from a single control.Main Reservoir (MR): Equalizes the main reservoir pressurebetween locomotives.Brake Pipe: The pipe, angle cocks, hose, and hose couplingsthat distribute compressed air throughout the automatic brakesystem.G-10 ARRC Air Brakes and Train Handling Manual June 1, 1996
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Air BrakesandTrain HandlingRules
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Glossary61.5 Yard Movement Test ...
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Glossary63.6.2 Inspecting For Leaka
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Glossary66 Locomotive Equipment and
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Glossary68 EOT Telemetry Devices...
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60 Locomotive Engineer Responsibili
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60 Locomotive Engineer Responsibili
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61 AIR BRAKE TESTS61 Air Brake Test
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61.3 Initial Terminal Air Brake Tes
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61 Air Brake Tests5. Wait 60 second
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61 Air Brake Testscompleted satisfa
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61.7 Application and Release Test61
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61 Air Brake Tests3. Once the train
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61 Air Brake Tests7. Cut the automa
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62 Operating Locomotive Equipment62
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62 Operating Locomotive EquipmentFi
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62 Operating Locomotive Equipment3.
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62.11.2 Restoring Operating Control
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63 Train Equipment and Operation•
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63 Train Equipment and OperationFig
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63 Train Equipment and Operation63.
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63 Train Equipment and Operation•
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64 Train Handling64.2.1 Slowing or
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64 Train Handling3. When a train br
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64 Train HandlingA. Understanding D
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64 Train Handling3. Limit the locom
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64 Train Handling3. If unable to co
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64 Train Handling64.5.1 Train Statu
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64 Train Handling64.6 Starting Trai
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64 Train Handling5. Do not exceed t
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64 Train HandlingB. Starting—Scen
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64 Train Handling64.11.2 Starting a
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0.50% 0.50%64 Train HandlingC. Star
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0.50% 0.50%64 Train HandlingB. Stop
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64 Train HandlingD. Stopping—Scen
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0.50% 0.50%64 Train HandlingB. Stop
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0.50% 0.50%64 Train HandlingB. Slow
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64 Train HandlingD. Slowing or Cont
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64 Train Handling64.12 Grade Operat
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64 Train Handling2. If the equalizi
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64 Train HandlingEXCEPTION: If the
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66 Locomotive Equipment and Compone
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67 Car Equipment and Components6 7
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67 Car Equipment and ComponentsThe
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67 Car Equipment and ComponentsA En
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67.8 Control Valve67 Car Equipment
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67 Car Equipment and ComponentsNOTE
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67 Car Equipment and ComponentsExha
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67 Car Equipment and Components67.1
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67 Car Equipment and ComponentsOn t
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67 Car Equipment and ComponentsMaxi
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67 Car Equipment and ComponentsD. T
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67 Car Equipment and ComponentsE. M
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Page 163 and 164: 68 EOT Telemetry Devices68.3.4 LCU
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Page 177 and 178: 68 EOT Telemetry DevicesE. Odometer
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Page 191 and 192: GlossaryAmp MeterThe instrument tha
Page 193 and 194: GlossaryInverse Gradient: The tempo
Page 195 and 196: GlossaryDrawbar ForcesThe longitudi
Page 197: GlossaryHand BrakeAn assortment of
Page 201 and 202: GlossaryQuick ServiceThe local vent
Page 203 and 204: GlossaryStretch BrakingSlowing or s
Page 205 and 206: INDEXIndexAA-1 reduction relay valv
Page 207 and 208: IndexEelectronic alertness device 6
Page 209 and 210: IndexMminimum continuous speed 64-1
Page 211: IndexTTOX AIR ACTUATOR single wheel
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Air Brakes and Train Handling Rules - Alaska Railroad

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