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6. Use jacking bolts, if necessary, to separate the U-tube assembly from the traction motor frame. 

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

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7. Using a crane or hoist, lift the wheels, gear, axle, and U-tube assembly clear of the traction motor. 

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<b>Caution:</b> If a high-pressure spray washer is used to clean the U-tube, gear, wheels, and axle assembly, use extreme care that the spray does not enter the open labyrinth bearing seals. 

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Do NOT submerge the assembly in liquid. 

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8. Thoroughly clean the U-tube, gear, wheels, and axle assembly to remove grease and dirt. 

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9. After cleaning, apply rust prohibitive to all machined surfaces except the wheels, then cover the assembly in plastic and tape shut until needed.
