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2) Remove the tail cone - refer to 53-20-04. 3) Remove baggage compartment bottom door 242. 4) Disconnect the rods (elevator and rudder) from levers (2) and (10). 5) Remove the 8 attachments (1) of the flight control rear support on frame C9. 6) Disengage the rear support assembly towards the front of the fusealge and remove it. 7) Remove attachment (8). 8) Counterdrill the 6 rivets (7) with a drill dia. 1/8" (3.2 mm). 9) Remove and discard fitting doubler (9). 10) On a work bench, remove levers (2) and (10) from L.H. support (3) and R.H. support (11). 11) Discard L.H. support (3) and R.H. support (11), central spacer (6), pin (5) and cotter pins (4). 12) Position L.H. doubler (27) to counterdrill the 6 holes of rear fuselage and of lower fitting (28) using a drill No. 20 (dia. 4.1 mm). Deburr. 13) Vacuum-clean any chips forward of frame C9. 14) Protect bare metal with Alodine (TB 13-002). 15) Touch up with primer (TB 16-901). 16) Touch up with finish paint - refer to 20-00-03. 17) Install L.H. doubler (27) and R.H. doubler (32) and secure with bolts (29), washers (30) and nuts (31). 18) Install attachment (8). Install a new nut. 19) Lubricate spacers (19), (21), (33) and (34) with grease (TB 04-004A). 20) On a work bench, equip L.H. support (18) and R.H. support (35) with levers (2) and (10), spacers (19), (21), (33) and (34), pin (23), washer (24) and nut (20). Install a new cotter pin (22). 21) Install and temporarily secure the rear support assembly on frame C9. Counterdrill both additional lower attachments (26) using a drill No. 7 (dia. 5.1 mm). Remove the rear support assembly to deburr the holes. 22) Vacuum-clean any chips forward of frame C9. 23) Protect bare metal with Alodine (TB 13-002). 24) Touch up with primer (TB 16-901). 25) Touch up with finish paint - refer to 20-00-03. 26) Secure the rear support assembly to frame C9 with bolts (12), (17) and (25), washers (13) and nuts (14). Install R.H. unfolding wedge (15) and L.H. unfolding wedge (16) between the supports and washers (13). 27) Connect the rods (elevator and rudder) to levers (2) and (10). Install new cotter pins. AAAA Validity : S / N 1 - 450 53 20-01Page 802 (BA) SEP 04 28) Make sure all the tools and materials are removed and the work area is clean and free from debris. 29) Remove padded support. 30) Check the control surfaces for correct operation. 31) Check the control surfaces for correct travel - refer to 27-30-00. Adjust if necessary. 32) Install the tail cone - refer to 53-20-04, and baggage compartment bottom door 242. AAAA Validity : S / N 1 - 450 Page 803 53-20-01 (BA) SEP 04 1 - Attachment (bolt, washer, nut) 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 53 机身 TB20飞机维护手册(12) |
