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1. SERVICING None 2. REMOVAL / INSTALLATION - WING TIP (Figure 201) A. Tools and consumable materials - Ground power unit B. Removal of the wing tip WARNING : ALLOW FIVE MINUTES AFTER ELECTRICAL POWER SUPPLY CUTOFF TO THE ANTI-COLLISION AND NAVIGATION LIGHTS BEFORE TOUCHING THE CONNECTORS 1) Make sure that the main switch-breaker is open. 2) Install the warning sign prohibiting main switch-breaker operation. WARNING DO NOT OPERATE MAINTENANCE WORK IN PROGRESS 3) Remove screws (2). 4) Disengage wing tip (3) by clearing it by a few inches. 5) Disconnect anti-collision and navigation light (4). 6) If installed, disconnect recognition light (5). 7) Remove wing tip (3). C. Installation of the wing tip 1) Inspect the interfaces for cleanliness and condition. 2) Make sure all the tools and materials are removed and the work area is clean and free from debris. 3) Position wing tip (3) and connect anti-collision and navigation light (4) and, if installed, recognition light (5). 4) Position wing tip (3) on wing (1) and install all screws (2). Do not fully tighten. 5) Tighten all screws (2). 6) Remove the warning sign prohibiting main switch-breaker operation. 7) Perform an operational test of the anti-collision and navigation lights (4) and, if installed, recognition lights (5) - refer to 33-40-02. ABAB Validity : S / N 1 - 9999 Post-MOD. 151 57-30-00 Page 201 57 (CA) JUN 01 3. ADJUSTMENT / TEST None 4. INSPECTION / CHECK - WING TIP (Figure 201) A. Tools and consumable materials None B. Procedure 1) Visually inspect the wing tip surface for : - cracks, - dents. 2) Check screws (2) for tightening. 3) Visually inspect anti-collision and navigation lights (4) and, if installed, recognition lights (5) for condition and attachment. Wing tip - Removal / Installation Figure 201 PAGE INTENTIONALLY LEFT BLANK FLAPS DESCRIPTION AND OPERATION 1. GENERAL The flaps, of metal structure, ensure a lift increase at low speeds during takeoff and landing. These flaps are of the large span, single-slot type, articulated on two arm assemblies. 1 A static discharger is secured to the external trailing edge of each flap. Extension and retraction, electrically controlled from the cockpit, is ensured by an electric actuator. The flaps have three main positions : - Retracted position 0°, - Takeoff position 10°, - Landing position 40°. The control circuit powered by "BUS 1" bar is protected by a circuit breaker located on the L.H. circuit breaker panel. 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 57 机翼 TB20飞机维护手册(35) |
