Subtask 32-22-11-720-050
H. Functional Test
(1) Do the functional test of the NLG normal extension and retraction (Ref. TASK 32-31-00-720-003).
5. Close-up
________ Subtask 32-22-11-860-051
A. Put the aircraft back to its initial configuration.
(1)
Remove the safety barriers.
(2)
Remove the warning notice(s).
(3)
Make sure that the work area is clean and clear of tool(s) and other items.
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TASK 32-22-11-300-002
Nose Landing Gear Main Door Seals Replacement
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific emery cloth
No specific safety barriers
No specific warning notice(s)
No specific access platform 2.06 m (6 ft. 9 in.)
R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 09-016 USA MIL-PRF-81733D TYPE II CLASS B
CORROSION INHIBITING FILLET CONSISTENCY
(Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
32-22-00-010-001 Nose Gear Doors - Ground Doors Opening
32-22-00-410-001 Nose Gear Doors - Ground Doors Closing
32-22-11-991-008 Fig. 403
32-22-11-991-009 Fig. 404
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3. Job Set-up
__________ Subtask 32-22-11-941-057
A. Safety Precautions
(1) Put the warning notice(s) in position to tell persons not to operate the landing-gear.
Subtask 32-22-11-010-054
B. Get Access
(1)
Open the nose landing-gear doors (Ref. TASK 32-22-00-010-001).
(2)
Put the access platform in position in zone 123.
(3)
Put the safety barriers in position.
4. Procedure
_________ (Ref. Fig. 403/TASK 32-22-11-991-008, 404/TASK 32-22-11-991-009) Subtask 32-22-11-020-054
A. Removal of the Nose Landing Gear Main Door Seals
(1)
Remove the twenty-one nuts (1) and the twenty-one bolts (21).
(2)
Remove the seal retainer assembly (27), the seal (26) and the lightning arrester strip (23).
(3)
Remove the three screws (20) and the seal retainer assembly (25).
(4)
Remove the seal (22).
(5)
Remove the four screws (18) and the seal retainer assembly (24).
(6)
Remove the seal (19).
(7)
Remove the nine screws (17).
(8)
Remove the four screws (15) and the seal retainer assembly (7).
(9)
Remove the seal (14).
(10) Remove the eleven screws (10) and the seal retainer assembly (6).
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NLG Main Door - Seals Figure 403/TASK 32-22-11-991-008
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INTENTIONALLY BLANK
R 1 1
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NLG Main Door - Position of Seals Figure 404/TASK 32-22-11-991-009
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(11)
Remove the seals (12) and (9).
(12)
Remove the three screws (13) and the seal retainer assembly (2).
(13)
Remove the seal (3) and the lightning arrester strip (8).
(14)
Remove the four screws (11) and the seal retainer assembly (4).
(15) Remove the seal (5). Subtask 32-22-11-420-056
B. Installation of the Nose Landing Gear Main Door Seals
(1)
Rub the zone B in which the sealant is applied with emery cloth.
(2)
Apply a layer of SEALANTS (Material No. 09-016) on the door zone B.
(3)
Put the seal (5) and the seal retainer assembly (4) in position.
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