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7) Align sliding rails (11). CAUTION : CHECK BOLTS (12) FOR CORRECT LENGTH, REPLACE IF NECESSARY. 8) Install bolts (12) and washers (13). Do not tighten. 9) Install bolts (7), washers (8) and new nuts (9). Do not tighten. 10) Sit down on the seat to check for correct locking. If locking is incorrect, move the rail which does not correctly lock. 11) Tighten nuts (9). 12) Test for locking, check L.H. and R.H. locks for correct contact then tighten bolts (12). 13) Check that the seat functions correctly and adjust, if necessary, the seat rear tilting hook. 14) Lubricate the front seat sliders - refer to 12-21-02. 15) Make sure all the tools and materials are removed and the work area is clean and free from debris. ABAA Validity : S / N 1 - 9999 Page 402 25-11-00 (CA) SEP 04 Front seats - Removal / Installation Figure 401 (1/2) ABAA Validity : S / N 1 - 9999 25-11-00Page 403 (CA) SEP 04 Front seats - Removal / Installation Figure 401 (2/2) ABAA Validity : S / N 1 - 9999 25-11-00Page 404 (CA) SEP 04 REAR BENCH REMOVAL / INSTALLATION 1. REMOVAL OF THE REAR BENCH (Figure 401) A. Tools and consumable materials None B. Procedure 1) To remove rear bench seatpan (8), pull seatpan (8) up (seatpan is secured with "velcro" tapes) 2) If installed, unlock pushbuttons (10) to remove front support (9) - refer to Detail A. S / N 1 - 804 3) To separate backrest (1) from support plate (2), lift backrest (1) approximately 1.5 in (3 cm) at both ends so that both locking studs (4) disengage from the notches and pull it forward. S / N 805 - 9999 3) To separate backrest (1) from support plate (2), pull backrest (1) forward (backrest is secured with "velcro" tapes). All 4) To remove support plate (2). a) Unclip the soundproofing cloth fasteners on support plate (2). b) If installed, press and unscrew both 1/4 turn fasteners (6) of air regulation hose (5) on rear floor (7) -refer to Detail C. c) Pull both locks (3) inwards. d) Lift support plate (2) to clear it forward. 2. INSTALLATION OF THE REAR BENCH (Figure 401) A. Tools and consumable materials None B. Procedure 1) Check the parts for correct condition, replace if necessary. 2) Lubricate locks (3) - refer to 12-21-02. 3) Install and lock support plate (2) using both locks (3). 4) If removed, install and lock air regulation hose (5) on rear floor (7) using both 1/4 turn fasteners (6) - refer to Detail C. 5) Clip the soundproofing cloth fasteners on support plate (2). 6) Make sure all the tools and materials are removed and the work area is clean and free from debris. S / N 1 - 804 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 25 EQUIPMENT FURNISHINGS TB20飞机维护手册 设备及装饰(15) |
