4. Procedure
_________ (Ref. Fig. 401/TASK 32-22-15-991-001) Subtask 32-22-15-020-050
A. Removal of the Leg Door
(1)
Remove the nut (5) and the bolt (1) and disconnect the end fitting (2).
(2)
Remove the bushes (3) and (4), disconnect the rod (11).
(3)
Remove the nuts (7) and the bolts (9).
(4)
Remove the bushes (8) and disconnect the fairing (6) from the support (10).
(5)
Remove the fairing (6).
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NLG Leg Door
Figure 401/TASK 32-22-15-991-001
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TASK 32-22-15-400-001
Installation of the Leg Door Assy
1. Reason for the Job
__________________
This procedure is only applicable when the leg door assy is installed after replacement. For the applicable procedure to install the leg door assy after removal for access only, Ref. TASK 32-22-15-410-001.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific safety barriers
No specific warning notice(s)
B. Consumable Materials
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
Material No. 04-004 USA MIL-PRF-23827 TYPE I
SYNTH.ESTER BASED GREASE HIGH PRESSURE
(Ref. 20-31-00)
R Material No. 04-022 USA MIL-PRF-81322 GRADE 2
R SYNTHE.HYDROCARBON GREASE HIGH PRESSURE
R (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
32-22-00-820-001 Adjustment of the NLG doors
32-31-00-720-002 Functional Test of the Normal Extension and
Retraction of the Landing Gear
32-22-15-991-001 Fig. 401
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3. Job Set-up__________
Subtask 32-22-15-860-050
A. Safety Precautions
(1) In the cockpit, make sure that the warning notice(s) is (are) in position to tell persons not to operate: - the landing gear control lever on the panel 400VU, - the steering handwheels (CAPT and F/O), - the brake pedals.
(2) Make sure that the safety barriers are in position.
4. Procedure_________
(Ref. Fig. 401/TASK 32-22-15-991-001)
Subtask 32-22-15-640-050
A. Preparation before installation
(1) Do an inspection of the component interface and/or the adjacent area.
(2) Clean the component interface and/or the adjacent area.
R R (3) Lubricate the bolts and nuts with COMMON GREASE (Material No. 04-004) or COMMON GREASE (Material No. 04-022).
R R R R NOTE : Do not mix Material No. 04-004 with Material No. 04-022. You____ can use Material No. 04-022 as an alternative to Material No. 04-004. Clean and degrease the parts before you use Material No. 04-022.
Subtask 32-22-15-420-050
B. Installation of the Leg Door
(1) Put the fairing (6) in position.
(2) Install the bushes (8) and the bolts (9).
(3) Install the nuts (7) but do not fully tighten the nuts at this time.
(4) Install the rod (11 ) on its link with the fairing (6) and install the bushes (3) and (4).
(5) Install the end fitting (2), the bolt (1) with the nut (5) but do not fully tighten the bolt and the nut at this time.
Subtask 32-22-15-820-051
C. Adjustment of the Leg Door
(1) Adjust the NLG doors (Ref. TASK 32-22-00-820-001).
(2) Tighten the nuts (5) and (7). Subtask 32-22-15-720-050
D. Functional test
(1) Do the functional test of the NLG normal extension and retraction (Ref. TASK 32-31-00-720-002).
5. Close-up
________ Subtask 32-22-15-860-051
A. Put the aircraft back to its initial configuration.
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
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