A320飞机维护手册 AMM LANDING GEAR 起落架2(32)

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R R  (8) Put the bearing (14) on the upper bearing housing (17). Do not cover the holes for the pins (13) and (16). 
R R R  (9) Install the upper bearing housing (17) on the sliding tube (5). Make sure that the holes in the upper bearing housing (17) align with the holes in the sliding tube (5). 
R  (10) Install the diaphragm tube assembly (3) into the sliding tube (5). 
R R R  (11) Install both parts of the retaining collar (15) in the sliding tube (5) with the larger diameter at the top. Make sure that the holes align with the holes in the upper bearing housing (17). 
R R  (12) Use the ASSEMBLY AND EXTRACTION TOOL to install the pin (13) in the larger diameter hole. Install the pins (16) in the remaining holes. 
R R  (13) Install the bearing (14) in its groove to cover the pins (13) and (16).
 **ON A/C 301-399,
 Subtask 32-11-13-420-052-B
 A. Preparation for Installation
 (1) Use a clean MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026) to clean the seal grooves.
 (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) 

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 -packings (19)
 -
seal (12)

 -
seal (13)

 -ring sealing (14)
 -joint seal (15)
 -wiper ring (17).
 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 12008).
 (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).
 Subtask 32-11-13-420-051-B
 B. Installation of the MLG Shock-Absorber Gland-Seals
 (1)
 Install the new sealing ring (14), the new joint seal (15), and the new seals (12) and (13).

 (2)
 Install the new retainers (18) and the new packings (19).

 (3)
 Install the new wiper ring (17). Make sure that the wiper ring (17) is correctly installed. The open U section points out.

 (4)
 Install the new seals (1) and (2).

 (5)
 Use the KEEP RING (460003180-74) to make the seal (2) go back to its initial condition.

 (6)
 Use a smooth edged tool to carefully install each part of the seal

 (2) in the correct position.

 (7)
 Lubricate the parts that follow with HYDRAULIC FLUIDS (Material No. 02-001) or HYDRAULIC FLUIDS (Material No. 02-004):

 -
the internal diameter of the lower bearing housing (10)

 -
the external diameter of the sliding tube assembly (11).

 

 (8)
 Use the ASSEMBLY SLEEVE (460006405) to carefully install the lower bearing (10) on the sliding tube (11).

 (9)
 Install the upper diaphragm tube assembly (3) and the upper bearing housing (7) onto the sliding tube (11).

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 (10) Install the two-part stop (8) and the pins (9) in the upper bearing housing (7).
 NOTE : Make sure that the pins (9) in the two-part stop (8) are
____ located in the keyways on the end of the sliding tube assembly (11).
 (11)
 Install the lock-plate (6) in the upper bearing housing (7).

 (12)
 Use the PIN SPANNER (460007253) to torque the upper bearing housing

 (7) to 60.0 m.daN (442.47 lbf.ft).

 (13)
 Reduce the torque on the upper bearing housing to zero.

 (14)
 Do steps (12) and (13) two more times.

 (15)
 Torque the upper bearing housing (7) to between 50.0 and 60.0 m.daN

 (368.73 and 442.47 lbf.ft).

 (16)
 Make sure the lock-plate (6) is in the correct position.

 (17)
 Install the screws (4) and the new tab-washers (5).

 (18)
 Torque the screws (4) to between 0.113 and 0.225 m.daN (9.99 and

 19.91 lbf.in).
 (19) Safety the tab-washers (5).
 **ON A/C ALL

 5. Close-up
________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 32-11-13-410-054
 A. Close Access
 (1)
　
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