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f) Check the 0.004 in (0.1 mm) clearance - see Figure 403B, Detail B. Readjust if necessary. g) Lock bolts (67) with lockwashers (66). h) Install seals (69) in their housing, the thinnest section directed outwards - see Detail C, without twisting them. All i) Hold rear reel (54) and screw actuator rod (51) generously lubricated with grease (TB 04-004A) on rear reel (54) until a center-to-center distance equal to 2.72 in (69.2 mm) is obtained between bolts (31) and (62). NOTE : Make sure the clearance between rear reel (54) and actuator rod (51) is equal to 0.0023 in (0.06 mm) max. - see Figure 403, Detail B. D Install washer (56) in the correct direction - see Figure 403, Detail B - and fully screw nut (58). Do not install pin. 3) Adjust actuator rod (51) on aircraft. a) Secure support (59) equipped with actuator on frame C9 using bolts (41) and washers (40). b) If removed, install front cable (27) - refer to Paragraph D. c) Using turnbuckles (38) and immobilization tool (42), connect rear cable (39) to front cable (27) (and to intermediate cable, if installed). d) Temporarily pin lever (33) to actuator rod (51). e) Temporarily pin the upper pedestal cover in order to display "NOSE DOWN" and "NOSE UP" markings. f) Move control wheel (16) to "Nose down" position, the index facing "NOSE DOWN" marking. g) If the actuator bottoms out before the index faces the marking, hold rear reel (54) and rotate actuator rod (51) in order to increase its travel. h) Once "Nose down" position is obtained, make sure washer (56) fully bottoms out or at less than half a turn. NOTE : Half a turn of actuator rod (51) corresponds to a travel of 0.08 in (2 mm) approximately. i) Safety nut (58) with a new cotter pin (57). j) Install rear cable - refer to Paragraph F. J. Final steps (Figures 403, 404 and 405) 1) Make sure all the tools and materials are removed and the work area is clean and free from debris. S / N 341 - 9999 and S / N 275 - 340 Post-Kit OPT10 908700 2) Install trim tab actuator housing (37). S / N 1 - 9999 3) Install tail cone 222 - refer to 53-20-00. ACAC Validity : S / N 1 - 9999 27-30-03 Page 407 27 (CA) SEP 02 4) Install the cowling under hull 218. 5) Install baggage compartment bottom door 242 and close baggage compartment door 219. 6) If removed, install the cover of the elevator trim tab front cable. 7) Install the tunnel - refer to 25-15-00. 8) Install the central pedestal - refer to 25-14-00. 9) Remove the warning sign prohibiting main switch-breaker operation. 1 - Front reel 2 - Spacer 3 - Bolt 4 - Lockwasher 5 - Washer 6 - Nut 7 - Cotter pin 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(45) |
