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<b>Warning:</b> The U-tube, wheels, gear, and axle assembly weighs approximately 6,000 lbs. (2,722 kg). 

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Ensure that the crane and cables are adequate to lift and move the assembly. 

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<b>Warning:</b> When the wheels, gear, axle, and U-tube assembly is lifted, the U-tube will quickly rotate to the open-end up position and may injure personnel standing nearby. 

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As the assembly is being lifted, support it to allow the U-tube to slowly turn to the open-end up position. 

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4. Lift the U-tube, wheels, gear, and axle assembly with a crane or hoist; rotate the assembly so that the U-tube mounting surface is facing downward. 

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5. Line up the mounting holes and lower the assembly onto the traction motor. 

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6. Verify that the two gears are properly aligned and that the teeth are engaged. 

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<b>Note:</b> While installing the U-tube-to-motor mounting bolts, check the bolt head for the bolt grade. 

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Discard all grade 5 bolts and replace them with grade 8 bolts. 

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7. Lubricate the threads of the eight U-tube-to-motor mounting bolts and under the bolt heads and both faces of the associated washers with a Wabtec approved Moly-based lubricant (84B565364A1) and wait until dry to touch (approximately 5 minutes) before assembly.

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8. Start the eight mounting bolts by hand and then torque the bolts to 1325 ± 75 lb.-ft. (1797 ± 102 Nm).

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<b>Note:</b> Follow the proper torque sequence to prevent the U-tube mounting bolts from loosening on the traction motor.

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9. Install the two 5/8-inch bolts into the U-tube drain holes.
