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 ComponentsNOTE: Piston travel is measured from the front face of thecylinder to the edge of the push rod connection pin.On WABCO TMX truck mounted air brake cylinders, one brakecylinder is mounted to one brake beam within each truck. Newmodels have a piston travel indicator on the brake cylinder.Maximum stroke is 4-3/4 inches.Truck 70 Ton 100 Ton 100/125 TonCylinder Diameter 7" to 8" 8" 9-1/4"Table 67-J. WABCO TMX Cylinder Diameter.Piston travel limits are:Maximum Piston Travel Without Brake Shoe RenewalRange of TravelWABCO TMXRepair Track and Reset Range 2" ± 1/4"Initial Terminal Operating Range 1-1/2" to 3"Intermediate Points 3-1/4"Table 67-K. WABCO TMX Piston Travel Limits.67-28 ARRC Air Brakes and Train Handling Manual June 1, 1996
67 Car Equipment and Components67.15.3 TTOX AIR ACTUATOR Single Wheel Truck AirBrake SystemFigure 67-R. TTOX Air Actuator.NOTE: On TTOX single axle cars only, measure piston travel onthe indicator (brake on or off) under the standee at the “B” endof the car. This car has two actuators and one indicator.June 1, 1996 ARRC Air Brakes and Train Handling Manual 67-29
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67 Car Equipment <strong>and</strong> Components67.15.3 TTOX AIR ACTUATOR Single Wheel Truck <strong>Air</strong>Brake SystemFigure 67-R. TTOX <strong>Air</strong> Actuator.NOTE: On TTOX single axle cars only, measure piston travel onthe indicator (brake on or off) under the st<strong>and</strong>ee at the “B” endof the car. This car has two actuators <strong>and</strong> one indicator.June 1, 1996 ARRC <strong>Air</strong> <strong>Brakes</strong> <strong>and</strong> <strong>Train</strong> H<strong>and</strong>ling Manual 67-29
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