(2)
Make sure that the safety barriers are in position.
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(3)
Make sure that the doors of the nose landing gear are open (Ref. TASK 32-22-00-010-001).
(4)
Make sure that the access platform is in position in zone 123.
(5)
Make sure that the aircraft is lifted with jacks (Ref. TASK 07-11-00-581-003).
(6)
Make sure that the NLG is retracted (Ref. TASK 32-30-00-867-001).
4. Procedure
_________ Subtask 32-22-16-110-050
A. Preparation for the Installation
(1)
Clean the junction surfaces of the rotating rod with CLEANING AGENTS (Material No. 11-002).
(2)
Dry the surfaces with dry and filtered compressed air.
R (3) Apply a thin layer of COMMON GREASE (Material No. 04-004) or COMMON R GREASE (Material No. 04-022) to the nuts and bolts and the shaft R which connects the rotating shaft to the nose gear.
R NOTE : Do not mix Material No. 04-004 with Material No. 04-022. You
____ R can use Material No. 04-022 as an alternative to Material No. R 04-004. Clean and degrease the parts before you use Material R No. 04-022.
Subtask 32-22-16-420-052
B. Installation of the Universal Joint (1) on the Rod Assy (5) (Ref. Fig. 401/TASK 32-22-16-991-001)
(1)
Install the universal joint (1) with the nut (2) and a new lockwasher
(3) on the rod assy (5).
(2)
In order to help the adjustment of the rod, turn the nut (4) to get approximately a dimension X = 209 mm (8.2283 in.).
(3) Tighten the nut (2), do not safety the nut (2) at this step. Subtask 32-22-16-420-051
C. Installation of the Rotating Rod (Ref. Fig. 401/TASK 32-22-16-991-001)
(1)
Install the rotating rod on the aft door of the nose landing gear. NOTE : Point the grease fittings of the rotating rod to the nose gear
(2)
Install the bolt (9), the washer (8) and the nut (7).
(3)
TORQUE the nut (7) to 0.3 m.daN (26.54 lbf.in).
(4)
Safety the nut (7) with the new cotter pin (6).
(5)
Manually close the aft door of the nose landing gear and connect the rotating rod to the nose gear leg.
____ NOTE : If necessary loosen the nut (2) and turn the nut (4) to
leg.
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____
increase the length of the rotating rod.
(6)
Install the bushes (11) and (12) and align the rigging holes.
(7)
Install the bolt (10), the washer (13) and the nut (14). Do not tighten the nut (14) at this step.
Subtask 32-22-16-820-050-A
D. Adjust the length of the rotating rod.
NOTE : To do the adjustment, turn the nut (4).
____
(1)
Loosen the nut (2).
(2)
Turn the nut (4) to make the door touch the rear stop.
(3)
Turn the nut (4) 180 deg. to tighten the rod (1).
(4)
Manually tighten the nut (2).
(5)
Remove the nut (14), the washer (13), the bolt (10) and the bushes
(11) and (12).
(6)
Disconnect the rotating rod from the nose gear leg.
(7)
Torque the nut (2) to between 2.5 and 3 m.daN (18.43 and 22.12 lbf.ft) with the ADAPTOR - WRENCH (98AMS172321000).
(8)
Safety the nut (2) with the new lockwasher (3).
(9)
Safety the nut (4) with MISCELLANEOUS (Material No. 19-010).
(10)
Manually close the aft door of the nose landing gear and connect the rotating rod to the nose gear leg.
(11)
Install the bushes (11) and (12) and align the rigging holes.
(12)
Install the bolt (10), the washer (13), and the nut (14).
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R (13) TORQUE the nut (14) to 0.3 m.daN (26.54 lbf.in) and safety it with a R new cotter pin (15).
(14)
Remove the access platform(s).
(15)
Extend the landing gear (Ref. TASK 32-30-00-867-002).
(16)
Lubricate the rotating rod and its connections (Ref. TASK 12-22-32-640-002).
Subtask 32-22-16-942-051
E. Close Access
(1) Close the doors of the nose landing gear (Ref. TASK 32-22-00-410-001).
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本文鏈接地址：A320飛機(jī)維護(hù)手冊 AMM LANDING GEAR 起落架4(23)
