Air Brakes and Train Handling Rules - Alaska Railroad
Air Brakes and Train Handling Rules - Alaska Railroad Air Brakes and Train Handling Rules - Alaska Railroad
67 Car Equipment and ComponentsPiston Travel Limits of Body Mounted Air Brake CylindersBody MountedBrake CylinderDiameterMaximumPiston StrokeInitialTerminalRequirementsIntermed. and1,000 MileInspectionPoints12" 10" 5" 8-1/2" max.7-1/2", 8-1/2",10"12" 7" to 9" 10-1/2" max.67-B. Body Mounted Air Brake Cylinders.Table12" diameterbody mountedbrake cylinder5"Figure 67-I. High-Capacity Body Mounted Brake Cylinder.Nominal7"7 1/2", 8 1/2", or 10"diameter body mountedbrake cylinderFigure 67-J. Standard Body Mounted Brake Cylinder.67-16 ARRC Air Brakes and Train Handling Manual June 1, 1996
67 Car Equipment and Components67.15.2 Truck Mounted Air Brake CylindersPiston Travel Limits of Truck Mounted Air Brake CylindersTruck Mounted BrakeCylinderManufacturerMaximumPistonStrokeInitialTerminalOperatingRangeIntermed. and1,000 MileInspectionPointsWABCOPAC/NYCOPAC(One brake cylindermounted on each brakebeam.)WABCOPAC II(Same as above withslack adjusters in eachtruck.)5-1/4" 4" max. 4" max.5-1/4" 3" max. 4" max.ELLCON NATIONAL(One brake cylindermounted to bracket oneach truck bolster.)THRALL/DAVIS(Each brake cylindermounted directly totruck bolster with acylinder push rodextending through.)MISNER/TTX(Air bag designedactuator mounted toeach truck bolster. Loadindication pointer insidetruck on slack adjuster.)4-1/4" 2-1/4" to3-3/4"6" 2-3/4" to4-1/4"12" 7-1/2" to 9"LOADED8-1/2" to 10"EMPTY4" max.4-1/2" max.9-1/4" max.LOADED10-1/4" max.EMPTYWABCO TMX 4-3/4" 1-1/2" to 3" 3-1/2" max.(One brake cylindermounted to each beamwithin each truck. Newmodels have pistontravel indicator on brakecylinder.)Table 67-C. Truck Mounted Air Brake Cylinders.June 1, 1996 ARRC Air Brakes and Train Handling Manual 67-17
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67 Car Equipment <strong>and</strong> Components67.15.2 Truck Mounted <strong>Air</strong> Brake CylindersPiston Travel Limits of Truck Mounted <strong>Air</strong> Brake CylindersTruck Mounted BrakeCylinderManufacturerMaximumPistonStrokeInitialTerminalOperatingRangeIntermed. <strong>and</strong>1,000 MileInspectionPointsWABCOPAC/NYCOPAC(One brake cylindermounted on each brakebeam.)WABCOPAC II(Same as above withslack adjusters in eachtruck.)5-1/4" 4" max. 4" max.5-1/4" 3" max. 4" max.ELLCON NATIONAL(One brake cylindermounted to bracket oneach truck bolster.)THRALL/DAVIS(Each brake cylindermounted directly totruck bolster with acylinder push rodextending through.)MISNER/TTX(<strong>Air</strong> bag designedactuator mounted toeach truck bolster. Loadindication pointer insidetruck on slack adjuster.)4-1/4" 2-1/4" to3-3/4"6" 2-3/4" to4-1/4"12" 7-1/2" to 9"LOADED8-1/2" to 10"EMPTY4" max.4-1/2" max.9-1/4" max.LOADED10-1/4" max.EMPTYWABCO TMX 4-3/4" 1-1/2" to 3" 3-1/2" max.(One brake cylindermounted to each beamwithin each truck. Newmodels have pistontravel indicator on brakecylinder.)Table 67-C. Truck Mounted <strong>Air</strong> Brake Cylinders.June 1, 1996 ARRC <strong>Air</strong> <strong>Brakes</strong> <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling Manual 67-17
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