A320飞机维护手册 AMM LANDING GEAR 起落架2(39)

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 A. Preparation for Installation
 (1) Use a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026) to clean the seal grooves and the interfaces of the jacking dome (23).
 (2) Make sure that the parts retained from the removed component are clean and in the correct condition.
 (3) Do an inspection of the component interface and/or the adjacent area.
 (4) Use a clean lint-free cloth to dry the seal grooves.
 (5) Lubricate the new items that follow with HYDRAULIC FLUIDS (Material No. 02-001) or HYDRAULIC FLUIDS (Material No. 02-004): - seal (1) - seal (2) - retainers (18) - packings (19) - seal (12) - seal (13) - sealing ring (14) - joint seal (15) - wiper ring (17) - O-ring (21) - backing ring (22).
 NOTE : In the step that follows, make sure that the Materials No.____ 04-004 and No. 04-022 are not mixed together. Do not use them at the same time (Ref. SIL 12-008).

 

 (6)
 Apply a thin layer of COMMON GREASE (Material No. 04-004) or COMMON GREASE (Material No. 04-022) on the internal surface of the lower bearing housing (10).

 (7)
 Use a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026) to clean the AREA A on the tube assembly (20), and the interface of the sliding tube sub-assembly (25).

 (8)
 Apply a thin layer of SPECIAL MATERIALS (Material No. 05-002) to the AREA A on the tube assembly (20), and the interface of the sliding tube sub-assembly (25).

 

R **ON A/C 001-049, 053-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 32-11-13-420-056-A
 B. Installation of the Sliding Tube Sub-Assembly of the MLG Shock-Absorber
 (1)
 Install the new O-ring (20) and the new backing ring (21) on the tube assembly (19).

 (2)
 Put the tube assembly (19) in position in the sliding tube sub-assembly (24). Make sure that the holes for the charging valve align correctly.

 (3)
 Apply SPECIAL MATERIALS (Material No. 05-047) to the mating faces of the new lock washer (23).

 (4)
 Put the lock washer (23) in position on the sliding tube sub-assembly (24). Make sure that the lock washer (23) engages correctly in the bottom of the sliding tube sub-assembly (24).

 (5)
 Install the jacking dome (22).

 (6)
 TORQUE the jacking dome (22) with the TORQUE ADAPTER (460006404) to between 8.0 and 8.9 m.daN (58.99 and 65.63 lbf.ft).

 (7)
 Safety the lock washer (23).

 (8)
 Apply SEALANTS (Material No. 09-016) around the joints between the jacking dome (22), the lock washer (23) and the sliding tube sub-assembly (24).

 (9)
 Install the sliding tube sub-assembly (24) in the BUILD TROLLEY (460006212).

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 (10)
 Install the new sealing ring (10), the new joint seal (11) and the new seals (8) and (9).

 (11)
 Install the new retainers (6) and the new packings (7).

 (12)
 Install the new wiper ring (13). Make sure that the wiper ring (13) is correctly installed. The open U section points out.

 (13)
 Install the new seals (1) and (2).

 (14)
 Allow one hour for the seal (2) to go back to its initial dimensions, before you continue.

 (15)
 Use the ASSEMBLY SLEEVE (460006405) to carefully install the lower bearing housing (4) on the sliding tube (5).

 (16)
 Put the travel stop (16) on the upper diaphragm tube-assembly (3).

 (17)
 Put the bearing (15) on the upper bearing housing (18). Do not cover the holes for the pins (14) and (17).

 (18)
 Install the upper bearing housing (18) on the sliding tube (5). Make sure that the larger hole in the upper bearing housing (18) aligns with the larger hole in the sliding tube (5).

 (19)
 Install the upper diaphragm tube-assembly (3) into the sliding tube (5).

 (20)
 Install the travel stop (16) on the sliding tube (5).

 (21)
 Use the ASSEMBLY AND EXTRACTION TOOL to install the pin (14) in the larger diameter hole. Install the pins (17) in the remaining holes.

 (22)
 Install the bearing (15) in its groove to cover the pins (14) and (17).

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R  **ON A/C 051-052, 
R  Subtask 32-11-13-420-056 
　
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