Figure 9-48.—Alignment data—wing twist check.longitudinal reading, and the upper limit isestablished by adding 0 degrees, 40 minutes to thelongitudinal reading taken in the auxiliary wheel well.For example, if the longitudinal reading was 1 degree,35 minutes, the lower limit would be 1 degree,15 minutes, and the upper limit would be 2 degrees,15 minutes. Figure 9-48 shows a wing twist check onan aircraft. The wing clinometer readings must fallwithin this range as well as within 0 degree,12 minutes of each other (right- to left-hand wingreadings). This check, together with the steel tapemeasurements taken when the wings are spread, is asatisfactory check of wing bending and twisting. Ifthe clinometer readings and tape measurements arcnot within the tolerances specified, the aircraft mustbe taken to a depot-level maintenance facility for acomplete inspection and final disposition.RECOMMENDED READING LISTNOTE: Although the following references werecurrent when this TRAMAN was published, theircontinued currency cannot be assured. Therefore,you need to be sure that you are studying the latestrevision.General Manual for Structural Repair, NAVAIR01-1A-1, Commander, Naval Air SystemsCommand, Washington, D.C., 15 July 1969,Change 11, 15 August 1989, Section II.9-59
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