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PAGE INTENTIONALLY LEFT BLANK ELEVATOR TRIM TAB CONTROL ADJUSTMENT / TEST 1. ADJUSTMENT / TEST - ELEVATOR TRIM TAB CAUTION : IF THE ELEVATOR TRIM TAB HAS BEEN REWORKED OR REPLACED, RE-BALANCE THE HORIZONTAL STABILIZER ASSEMBLY EQUIPPED WITH THE TRIM TAB - REFER TO 51-60-00. A. Tools and consumable materials - Clinometer - Ruler - Hydraulic jacks - Elevator travel jig 8110 TB10 34000 NOTE : The travel jig is used only in Paragraph C. in replacement of the clinometer. B. Adjustment of elevator trim tab without travel jig (Figure 501) 1 Level the aircraft - refer to 08-10-00. 2) Check the elevator travel - refer to 27-30-00. Read the exact value in "nose up" position with the clinometer - refer to 20-00-13. 3) Using the shims and the clinometer, position the elevator to 0° - refer to 27-30-00. 4) Attach the clinometer on trim tab (2) and set 0°. 5) Using a ruler, align trim tab (2) in relation to the elevator while maneuvering trim control wheel (1). 6) Position the elevator to full "nose up" position (-16° ± 1 °). 7) Fully rotate trim control wheel (1) aft. 8) Check trim tab (2) angle in relation to "nose up" elevator axis using the clinometer which must indicate the same value (± 0°30') as the value read in step 2). 9) If necessary, adjust trim tab rod (3) - refer to 20-00-11. 10) Fully rotate trim control wheel (1) forward. 11) Check trim tab (2) angle in relation to "nose up" elevator axis using the clinometer which must indicate : 17°30' (± 1 °30') more than the value read in step 2). 12) If necessary, adjust trim tab rod (3) - refer to 20-00-11. 13) Remove the clinometer. 14) Lower the aircraft to ground and remove the jacks - refer to 07-10-00. C. Adjustment of elevator trim tab with travel jig (Figure 501A) 1) Remove tail cone 222 - refer to 53-20-00. 2) Remove the sheath clip securing the rear light wiring. 3) Pin travel jig (13), 8110 TB10 34000, on frame C9 through both pinning holes using rigging pin (6) and pin (7), and on the frame internal edge using attachment pin (5). Install and tighten knurled nuts (8). ACAC Validity : Pre-MOD. 50 or Kit OPT10 911800 27 30-03Page 501 (cA) MAR 00 4) Check the elevator travel - refer to 27-30-00. 5) Position the elevator to full "nose up" position. Position graduated sector (11) in contact with the elevator. Tighten knurled nut (9). 6) Fully rotate trim control wheel (1) aft. 7) Make sure trim tab (2) trailing edge is within the tolerances of "nose up" marking (12), 2°30' (± 0°301 If necessary, adjust trim tab rod (3) - refer to 20-00-11. 8) Fully rotate trim control wheel (1) forward. 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(47) |
