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(DA) MAR 00 ELEVATOR TRIM TAB CONTROL REMOVAL / INSTALLATION 1. REMOVAL / INSTALLATION - ELEVATOR TRIM TAB CONTROL CABLES A. Tools and consumable materials - Immobilization tool T700A2799000009 - Cable clamp T700A2799000008 (Qty 3) - Grease (TB 04-004A) - Stainless steel lockwire, dia. 0.032 in (0.8 mm) B. Preliminary steps (Figures 401, 402 and 404) 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 the cowling under hull 218. 4) Remove tail cone 222 - refer to 53-20-00. S / N 341 - 9999 and S / N 275 - 340 Post-Kit OPT10 90870Q 5) Remove trim tab actuator housing (37). S / N 1 - 9999 6) Open baggage compartment door 219 and remove baggage compartment bottom door 242. 7) Remove the central pedestal - refer to 25-14-00. 8) Remove the tunnel - refer to 25-15-00. 9) If installed, remove the cover of the elevator trim tab front cable. 10) With control wheel (16), position trim tab to the neutral position. 11) Position cable clamps (52) as close as possible to front reel (1) and rear reel (54). C. Removal of front cable (Figures 401 and 402) 1) Remove and discard cotter pin (7) ; remove nut (6), washer (5), bolt (14) and "TRIM 2" pulley (8). 2) Remove and discard nuts (29) from cable guards. 3) Remove washers (28), bolts (25) and spacers (26). 4) Unlock and remove both turnbuckles (38) with immobilization tool (42). With autopilot 5) Unlock and remove the turnbuckle of the intermediate cable. 6) Unwind front cable (27) from around the servo-actuator pulley. S / N 275 - 587, 589 - 599, 601 - 609 7) Remove and discard cotter pin (18) ; remove nut (17), washer (15), bolt (3), spacer (2), control wheel (16) and front reel (1) equipped with front cable (27). S / N 588, 600, 610 - 9999 7) Clear lockwasher (4) tab, remove bolt (3), lockwasher (4), spacer (2), washer (15), control wheel (16) and front reel (1) equipped with front cable (27). S / N 1 - 9999 8) Inspect front cable (27) and pulleys for condition - refer to 20-00-07. 9) If necessary, remove "TRIM 1" pulleys (9), (11) and (13) and "TRIM 2" pulleys (10) and (12). a) Remove and discard cotter pins (19). b) Remove nuts (20), washers (21), bolts (24), pulleys and spacer (22) or spacers (23). 10) If necessary, remove the cable from front reel (1) - refer to Paragraph G. D. Installation of front cable (Figures 401, 402 and 404) 1) If removed, install the cable around front reel (1) - refer to Paragraph H. 2) Inspect the interlaces for cleanliness and condition. 3) Lubricate bolts (3) and (14), spacer (2), "TRIM 2" pulley (8), front reel (1) and turnbuckles (38) with grease (TB 04-004A). 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 27 FLIGHT CONTROLS TB20飞机维护手册 飞行操纵(40) |
