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19) Lower the aircraft to ground and remove the jacks - refer to 07-10-00. AAAA Validity : S / N 1 - 9999 Page 204 32-30-01 20) Remove the warning sign prohibiting main switch-breaker operation. C. Adjustment of cylinder rod on work bench 1) Remove actuating cylinder - refer to Paragraph 2. 2) Unfold tabs of nut retainer (3), hold ball joint (4) and loosen jam nut (2). 3) Remove ball joint (4), nut retainer (3) and jam nut (2). Discard nut retainer (3). 4) Degrease jam nut (2) and threads of ball joint (4) and cylinder rod (1) with cleaning agent (TB 11-003). 5) Screw jam nut (2) on cylinder rod (1) until min. gap of 0.12 in (3 mm) is obtained between the rear face of jam nut (2) and the smooth part of cylinder rod (1) - refer to Figure 202. 6) Install a new nut retainer (3). 7) Put a drop of loctite (TB 08-931) to the threads of cylinder rod (1). 8) Screw ball joint (4) until it is in contact with jam nut (2). 9) Torque jam nut (2) - refer to 20-00-01. 10) Fold tabs of nut retainer (3). 11) Mark ball joint (4), jam nut (2) and the smooth part of the cylinder rod with a red paint line. 12) Install actuating cylinder - refer to Paragraph 2. D. Adjustment of cylinder rod on the aircraft 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 engine cowlings - refer to 71-10-01. 4) Make hydraulic pressure drop in the system by pulling landing gear emergency control. 5) Unfold tabs of nut retainer (3), hold ball joint (4) and loosen jam nut (2). 6) Remove and discard nut (11) and remove washer (10) and screw (9). 7) Remove ball joint (4), nut retainer (3) and jam nut (2). Discard nut retainer (3). 8) Degrease jam nut (2), threads of ball joint (4) and of cylinder rod (1) with cleaning agent (TB 11-003). 9) Screw jam nut (2) on cylinder rod (1) until min. gap of 0.12 in (3 mm) is obtained between the rear face of jam nut (2) and the smooth part of cylinder rod (1) - refer to Figure 202. 10) Install a new nut retainer (3). 11) Put a drop of loctite (TB 08-931) to the threads of cylinder rod (1). 12) Screw ball joint (4) until it is in contact with jam nut (2) and install screw (9). Validity o S / N 1 - 9999 Page 205 32-30-01 13) Torque jam nut (2) - refer to 20-00-01. 14) Fold tabs of nut retainer (3). 15) Mark ball joint (4), jam nut (2) and the smooth part of the cylinder rod with a red paint line. 16) Install washer (10) and new nut (11). 17) Push back the landing gear emergency control. 18) Make sure all the tools and materials are removed and the work area is clean and free from debris. 中国通航网 www.ga.cn 通航翻译 www.aviation.cn 本文链接地址：TB20 MAINTENANCE MANUAL 32 起落架 TB20飞机维护手册(54) |
