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7) Install backrest (1) against support plate (2) and make sure both locking studs (4) are engaged in the notches. AAAA Validity : S / N 1 - 9999 Pre-MOD. 151 25-12-00Page 401 (BA) SEP 04 S / N 805 - 9999 7) Install backrest (1) against support plate (2) and make sure it is correctly secured with the "velcro" tapes. All 8) If removed, install front support (9) and lock pushbuttons (10) - refer to Detail A. 9) Install rear bench seatpan (8) and make sure it is correctly secured with the "velcro" tapes. AAAA Validity : S / N 1 - 9999 Pre-MOD. 151 25-12-00Page 402 (BA) SEP 04 1 - Backrest 2 - Support plate 3 - Lock 4 - Stud 5 - Hose 6 - 1/4 turn fastener 7 - Rear floor 8 - Rear bench seatpan 9 - Front support 10 - Pushbutton O Rear bench - Removal / Installation Figure 401 WA Validity : S / N 1 - 9999 Pre-MOD. 151 25-12-00Page 403 (BA) SEP 04 PAGE INTENTIONALLY LEFT BLANK WA Validity : S / N 1 - 9999 Pre-MOD. 151 25-12-00 Page 404 (BA) 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 L.H. and R.H. rear seatpans (8), pull them up (seatpans are secured with "velcro" tapes). 2) To remove glove compartment (9) assembly, pull it up (glove compartment is secured with "velcro" tapes). 3) To separate L.H. and R.H. rear seat backrests (1) from support plate (2), pull backrests (1) forward (backrests are secured with "velcro" tapes). 4) To remove armrest assembly (10) : a) Remove and discard both retaining rings (12). b) Disengage and remove armrest assembly (10). 5) To separate armrest support (11) from support plate (2), pull armrest support (11) forward (armrest support is secured with "velcro" tapes). 6) To remove support plate (2) : a) Unclip the soundproofing cloth fasteners on support plate (2). b) Press and unscrew both 1/4 turn fasteners (6) of air regulation hose (5) on rear floor (7). 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) Install and lock air regulation hose (5) on rear floor (7) using both 1/4 turn fasteners (6). 5) Clip the soundproofing cloth fasteners on support plate (2). 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(16) |
