Tugas Akhir (TA) ini membahas tentang pembuatan alat bantu pemasangan dan pelepasan roda pesawat udara Grand Commander 680FL Bagian Mekanisme Penahan yang sebelumnya telah dilakukan oleh Yudhea Isnovan M.P pada tahun 2016 yang berjudul “Penyelesaian Rancang Bangun Pneumatic Tyre Bead Breaker Tool Untuk Pemasangan/Pelepasan Main Wheel Landing Gear Pesawat Grand Commander 680FLâ€�. Penyempurnaan TA ini berupa perubahan desain Mekanisme Penahan agar dapat digunakan pada nose wheel dan main wheel pesawat udara Grand Commander 680FL. Metode yang digunakan untuk menyelesaikan TA ini adalah metode analisis dan eksperimental yang didukung dengan tahapan pelaksanaannya yang meliputi : studi literatur, observasi & studi banding, desain dan analisis, proses manufaktur, pengujian serta evaluasi hasil pengujian. TA ini diselesaikan bersama dua rekan penulis pada bagian sistem pneumatik dan pelepasan/penarik. Pembuatan pada TA ini telah berhasil diselesaikan sehingga dapat berfungsi untuk menumpu dan mencekam pada roda pendarat utama dan roda pendarat depan pesawat Grand Commander 680FL. Alat bantu ini diharapkan dapat digunakan pada kegiatan praktik perkuliahan teknik perawatan pesawat udara pada Program Studi Teknik Aeronautika-Jurusan Teknik Mesin-POLBAN. Kata kunci: Alat bantu, Pneumatic Tyre Bead Breaker Tool, Wheel Landing Gear Pesawat Grand Commander 680FL (3-5 kata kunci).

This Final Project (TA) discusses about manufacturing of tool for installation and removal wheel landing gear on Grand Commander 680FL aircraft, section of Retaining Mechanism that had previously been done by Yudhea Isnovan M.P on 2016 entitled “Finishing Design and Manufacture of Pneumatic Tyre Bead Breaker Tool for Installing/Retaining of Grand Commander 680FL’s Main Wheel Landing Gearâ€�. The improvement of this Final Project is a change on the design of installation and retaining mechanism to be used on nose wheel and main wheel in Grand Commander 680FL aircraft. The method used in this Final Project is analytical and experimental methods that are supported by the implementation of the following stages: Literature study, observation & comparative study, analysis and design, manufacturing process, testing and evaluation of test results. This Final Project is completed by two coauthors on pneumatic sytem section and puller/removal section. The manufacturing of this tools has been successfully completed so it can work to support & grip for main wheel landing gear and nose wheel landing gear in Grand Commander 680FL. This tools that produced is expected to be used in the Aircraft Maintenance Practice subject in the Aeronautical Engineering Program Study – Mechanical Engineering Departmen – Bandung State Polytechnic. . Keywords: Tyre Bead Breaker Tool, Final Project, Retaining Mechanism, Wheel Landing Gear Grand Commander 680FL (3-5 keywords).

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