Air Brakes and Train Handling Rules - Alaska Railroad

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