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AM.I.D.K3

Knowledge

Rigid line fabrication, installation, and inspection techniques/practices.

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

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From the FAA library

  • Chapter 9: Fluid Lines & Fittings › Beading › Fluid Line Identification

    Fluid Line Identification Fluid lines in aircraft are often identified by markers made up of color codes, words, and geometric symbols. These markers identify each line’s function, content, and primary hazard. Figure 9-16 illustrates the various color codes ... symbols used to designate the type of system and its contents. Fluid lines are marked, in most instances, with 1" tape or decals. [Figure 9-17A] On lines 4" in diameter (or larger), lines in oily environment, hot lines…

  • Chapter 4: Aircraft Drawings › Lines and Their Meanings › Break Lines

    Phantom Lines Phantom lines indicate the alternate position of parts of the object or the relative position of a missing part. They are composed of one long and two short evenly spaced dashes. Figure 4-21. Wiring diagram. Break Lines ... Break lines indicate that a portion of the object is not shown on the drawing. Short breaks are made by solid, freehand lines. For long breaks, solid ruled lines with zigzags are used. Shafts, rods, tubes, and other such parts…

  • Chapter 14: Aircraft Fuel Systems › Fuel System Components › Fuel Lines & Fittings

    Figure 14-35. A braided stainless steel exterior fuel line with fittings. As mentioned, aircraft fuel line fittings are usually either AN or MS fittings. Both flared and flareless fittings are used. Problems with leaks at fittings can occur. Technicians ... cautioned to not overtighten a leaky fitting. If the proper torque does not stop a leak, depressurize the line, disconnect the fitting and visually inspect it for a cause. The fitting or line should be replaced if needed. Replace…