INSPECT LANDING GEAR AXLE

TM 55-1520-240-23-3 3-13 INSPECT LANDING GEAR AXLE 3-13 INITIAL SETUP Applicable Configurations: All Tools: Outside Micrometer, 1 to 2 Inch Depth Gage 0 to 0.125 Inch Materials: None Personnel Required: Inspector References: TM 1-1520-253-23 Equipment Condition: Off Helicopter Task NOTE Procedure is same for all axles. Replace axle if criteria is not met. 1. Check axle for cracks and bends. There shall be no bends or cracks. If a crack is suspected on the surface of the landing gear axle, refer to TM 1-1520-253-23. 2. Check axle for corrosion. 3. Check axle for wear. Measure axle as shown. Dimensions shall be no less than 1.9960 inches diameter shown at axle housing end, or 1.9988 inches diameter and 1.248 inches diameter at the wheel nut end. 4. Check axle for scratches. Accept a maximum of four scratches up to 0.015 inch wide, 0.015 inch deep and 1 inch long. Blend smoothly within 0.03 inch on either side of scratch. FOLLOW-ON MAINTENANCE: None END OF TASK 3-49