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11) Set the landing gear to down position. 12) Connect microswitch (19) supply connector. 13) Connect actuating cylinder (5) to lever (1) with bolt (4), washer (3) and new nut (2). WARNING : BEFORE ANY LANDING GEAR RETRACTION OR "NORMAL" OR "EMERGENCY" EXTENSION PROCEDURE, AND / OR LANDING GEAR CIRCUIT-BREAKER CLOSING, MAKE SURE THAT THE LANDING GEAR IMMEDIATE SURROUNDINGS ARE CLEAR (PERSONS OR THINGS). 14) Lubricate the hinged strut - refer to 12-21-05. 15) Connect the landing gear door - refer to 32-10-05. 16) Check landing gear control linkage and indicating system - refer to 32-30-00. 17) Lower the aircraft to ground and remove the jacks - refer to 07-10-00. 3. ADJUSTMENT / TEST None WA Validity : S / N 1 - 9999 32-30 Page 202 03 (BA) JUN 01 1 - Hook Hinged strut - Manual unlocking Figure 201 AAAA Validity : S / N 1 - 9999 32-30-03Page 203 (BA) JUN 01 1 - Lever 2 - Nut 3 - Washer 4 - Bolt 5 - Actuating cylinder 6 - Bearing 7 - Bolt 8 - Washer 9 - Nut 10 - Cotter pin 11 - Rear section of hinged strut 12 - Bolt 13 - Bolt 14 - Washer 15 - Nut 16 - Cotter pin 17 - Shouldered washer 18 - Front section of hinged strut 19 - Microswitch 20 - Roller 21 - Washer 22 - Cotter pin 23 - Nut 24 - Washer 25 - Compensating spring Main landing gear hinged strut - Removal / Installation Key to Figure 202 Main landing gear hinged strut - Removal / Installation Figure 202 WA Validity : S / N 1 - 9999 32-30-03 Page 205 (BA) JUN 01 4. INSPECTION / CHECK - MAIN LANDING GEAR HINGED STRUT (Figures 203 and 204) A. Tools and consumable materials - Specific material - Common material : 1 surface plate 4 identical supports or vees 1 depth gage 1 set of thickness gages 1 Geneva file . abrasive cloth (TB 05-916B) B. Check method of the main landing gear hinged strut 1) Remove the equipped strut - refer to Paragraph 2. Check and change, if necessary, hinge bolts (G) and (J). 2) Place the four supports or vees (6) onto the surface plate (7). 3) Check with the depth gage the "a" dimensions. Adjust if necessary between the supports and the surface plate with thickness gages. 4) Manually unlock the strut - refer to Paragraph 1. 5) Remove the hinge bolt (H) of both half-legs (2) and (4), check bolt condition, change it if necessary. 6) Install at its place the dia. .39 in (10 mm) smooth pin (3). 7) Lock the strut. 8) Place the dia. .67 in (17 mm) smooth pin (1) on the gear leg hinge side. 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(60) |
