Air Brakes and Train Handling Rules - Alaska Railroad

67 Car Equipment and ComponentsMaximum Piston Travel Without Brake Shoe RenewalRange of TravelWABCOPAK IIRepair Track 2" ± 1/8"Initial Terminal Operating Range 1-3/4" to 3"Intermediate Points 4"Table 67-E. WABCOPAK II Piston Travel Limits.C. ELLCON NATIONALFigure 67-M. ELLCON NATIONAL Truck Mounted BrakeSystem.NOTE: Piston travel is measured from the front face of thenonpressure head to the end of the piston sleeve.On ELLCON NATIONAL truck mounted air brake cylinders, onebrake cylinder is mounted to a bracket on each truck bolster. Pistontravel is shown on the badge plate as “nominally 3.”June 1, 1996 ARRC Air Brakes and Train Handling Manual 67-21