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4) If removed, install "TRIM 1" pulleys (9), (11) and (13) and "TRIM 2" pulleys (10) and (12). a) Lubricate "TRIM 1" pulleys (9), (11) and (13), "TRIM 2" pulleys (10) and (12) and bolts (24) with grease (TB 04-004A). b) Position pulleys on their half-brackets with spacer (22) or spacers (23), bolt (24), washer (21) and nut (20). c) Safety with new cotter pins (19). CAUTION : PLACE THE NEEDLE PIN IN THE CENTRAL GROOVE OF THE REEL. 4) Assemble front reel (1) equipped with front cable (27) and cable clamp (52), spacer (2), control wheel (16) and washer (15). Position the assembly in its housing. S / N 275 - 587, 589 - 599, 601 - 609 5) Install bolt (3) and nut (17) ; safety with a new cotter pin (18). S / N 588, 600, 610 - 9999 5) Install bolt (3) equipped with a new lockwasher (4) ; fold down lockwasher (4) tabs. S / N 1 - 9999 6) Route "TRIM 1" and "TRIM 2" cables in the support, then through frame C3 up to the fuselage rear section. NOTE : Make sure the cables do not cross, are not twisted and are correctly installed in the groove of the pulleys. With autopilot 7) Wind front cable (27) round the servo-actuator pulley - refer to 22-10-00. All 8) Lubricate the cable in the winding areas with grease (TB 04-004A). 9) Install turnbuckles (38) on the cables with immobilization tool (42). 10) Position spacers (26) on half-brackets ; install bolts (25), washers (28) and new nuts (29). 11) Position and secure "TRIM 2" pulley (8) with bolt (14), washer (5) and nut (6) ; safety with a new cotter pin (7). 12) Remove cable clamps (52). 13) Adjust the tension of the cables - refer to Page 501 14) Lockwire turnbuckles (38). 15) Check the travel of the elevator trim tab - refer to Page 501. E. Removal of rear cable (Figures 402, 403 and 404) With autopilot 1) Install cable clamp (52) as close as possible (rearward) to the servo-actuator pulley. All 2) Unlock and remove both turnbuckles (38) with immobilization tool (42). 3) Remove and discard cotter pin (35) ; remove nut (36), washer (34) and bolt (31). 4) Disconnect lever (33) from actuator and retain spacer (32). 5) Remove bolts (41), washers (40) and the actuator equipped with rear cable (39). 6) Inspect rear cable (39) (and intermediate cable, if installed) for condition - refer to 20-00-07. 7) If necessary, remove the cable from rear reel (54) - refer to Paragraph G. F. Installation of rear cable (Figures 402, 403 and 404) 1) If removed, install the cable on rear reel (54) and adjust actuator rod (51) - refer to Paragraph I. 2) Lubricate lever (33), bolt (31) and turnbuckles (38) with grease (TB 04-004A). 3) Position support (59) equipped with actuator and rear cable (39) (and with intermediate cable, if installed) on frame C9 and install bolts (41) equipped with washers (40). 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(41) |
