Air Brakes and Train Handling Rules - Alaska Railroad

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67 Car Equipment and Components• 36X = 33 square inches, mounted on 70 ton and some 100 tontrucks• 50X = 46 square inches for 100 ton and some 70 ton trucks• 60X = 60 square inches for 125 ton trucks onlyNOTE: Maximum piston stroke for each cylinder is 6 inches± 1/8 inch.Piston travel limits are:Maximum Piston Travel Without Brake Shoe RenewalRange of TravelTHRALL/DAVISRepair Track and Reset Range 3-1/4" ± 1/4"Initial Terminal Operating Range 2-1/2" to 4-1/4"Intermediate Points 4-1/2"Table 67-H. THRALL/DAVIS Piston Travel Limits.67-24 ARRC Air Brakes and Train Handling Manual June 1, 1996
67 Car Equipment and ComponentsE. MISNER/TTXFigure 67-O. MISNER/TTX Truck Mounted Brake System.NOTE: Measure piston travel between the rear mountingsurface of the actuator end cap and the front face of the dowelplate, which bears against the horizontal level. Measure pistontravel as follows:• Do not include the plate welded to the fulcrum lever.• Do not include the front mounting plate.• When working faces are not parallel, use a median(average) line.On MISNER/TTX truck mounted air brake cylinders, the air-bagdesignedactuator is mounted to each truck bolster. A load indicationpointer is located inside the truck on the slack adjuster.The maximum stroke is 12-3/8 inches. Piston travel limits are:June 1, 1996 ARRC Air Brakes and Train Handling Manual 67-25
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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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Page 177 and 178: 68 EOT Telemetry DevicesE. Odometer
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GlossaryDrawbar ForcesThe longitudi
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GlossaryHand BrakeAn assortment of
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GlossaryLocomotive Cab Unit (LCU)A
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GlossaryQuick ServiceThe local vent
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GlossaryStretch BrakingSlowing or s
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INDEXIndexAA-1 reduction relay valv
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IndexEelectronic alertness device 6
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IndexMminimum continuous speed 64-1
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IndexTTOX AIR ACTUATOR single wheel
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Air Brakes and Train Handling Rules - Alaska Railroad

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