A320飞机维护手册 AMM LANDING GEAR 起落架2(72)

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R R  (2) Tighten the strap and connect the cables to the hook. Tighten the cable. 
R R R  (3) Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026). 
R  (4) Do an inspection of the component interface and/or the adjacent area. 
R R  (5) Make sure that the parts retained from the removed component are clean and in the correct condition. 
R R R R  (6) Examine these components for corrosion, damage and wear: - the pins (20) and (21) - the bushes in the side-stay bracket - the bores of the MLG attachment lugs.

 

R  NOTE : In the step that follows, make sure that the Materials No.____ 
R  04-004 and No. 04-022 are not mixed together. Do not use them 
R  at the same time (Ref. SIL 12-008). 
R  (7) Lubricate these parts with COMMON GREASE (Material No. 04-004) or 
R  COMMON GREASE (Material No. 04-022): 
R  - the pins (20) and (21) 
R  - the bushes in the side-stay bracket 
R  - the seal (32) 
R  - the bores of the MLG attachment lugs. 
R  Subtask 32-11-18-420-050-A 
R  B. Installation of the MLG Side-Stay 
R  WARNING : BE CAREFUL WHEN YOU REMOVE OR INSTALL THE MLG SIDE-STAY. IT_______ 
R  WEIGHS 62.5kg (137.5lb). 
R  (1) Install the new seal (32) in the bush (33). 
R  (2) Lift the side-stay (6) into position with the hoist and install the 
R  cardan joint (5) in the side-stay bracket. 
R  (3) Use a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING 
R  AGENTS (Material No. 11-026) to clean the thread of the cardan joint 
R  (5). 
R  (4) Apply SPECIAL MATERIALS (Material No. 05-047) to the thread of the 
R  cardan joint (5). 
R  (5) Install the washer (1) and the nut (2) and tighten the nut (2) by 
R  hand. 
R  (6) Loosen the strap (but not fully) on the HOIST (98D32104013004). 
R  (7) Move the side-stay (6) about the the side-stay center joint and 
R  install the cardan joint (7) in the MLG attachment lug. 
R  (8) Use a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING 
R  AGENTS (Material No. 11-026) to clean the thread of the cardan joint 
R  (7). 
R  (9) Apply SPECIAL MATERIALS (Material No. 05-047) to the thread of the 
R  cardan joint (7). 
R  (10) Install the nut (8) and tighten by hand.

 

R  (11) Disconnect the cables from the hook. 
R  (12) Disconnect the strap and remove the HOIST. 
R  (13) To tighten the nut (2): 
R  (a) Push the MLG as far as possible to the closed position. This will 
R  make sure that the cardan joint (5) is installed fully in the 
R  side-stay bracket. 
R  (b) Use the TORQUE ADAPTOR (460005812) to TORQUE the nut (2) to 25.0 
R  m.daN (184.36 lbf.ft). 
R  (c) Loosen the nut (2). 
R  (d) Do the steps (a), (b) and (c) two more times. 
R  (e) Use the TORQUE ADAPTOR to TORQUE the nut (2) to 18.0 m.daN 
R  (132.74 lbf.ft). 
R  (14) To tighten the nut (8): 
R  (a) Push the MLG as far as possible to the closed position. This will 
R  make sure that the cardan joint (7) is installed fully in the MLG 
R  leg assembly. 
R  (b) Use the TUBE SPANNER (460007272) to TORQUE the nut (8) to 40 
R  m.daN (294.98 lbf.ft). 
R  (c) Loosen the nut (8). 
R  (d) Do the steps (a), (b) and (c) two more times. 
R  (e) Use the TUBE SPANNER to TORQUE the nut (8) to 16.2 m.daN (119.46 
R  lbf.ft). 
R  (15) Use a feeler gage to measure the dimensions W and X as follows: 
R  (a) For in-service components: 
R  - the total clearance must be between 0.05 mm (0.0019 in.) and 
R  0.5 mm (0.0196 in.). 
R  (b) For repaired or overhauled components: 
R  - the total clearance must be between 0.05 mm (0.0019 in.) and 
R  0.2 mm (0.0078 in.).

 

R  (16) Use a feeler gage to measure the dimensions Y and Z as follows: 
R  NOTE : The clearance can change around the pin and the bush____ 
R  circumference. This is permitted if the maximum clearance is 
R  the dimension used in all the calculations. 
　
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