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
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