(14)
Safety the nut (21) with the new cotter pin (22).
(15)
Apply a light coat of COMMON GREASE (Material No. 04-004) or COMMON GREASE (Material No. 04-022) on the bolt (24).
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.
(16) Install the washer (16), the actuator (15) and the washer (14) with the GUIDE CONE (J47587).
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(17)
TORQUE the nut (13) to between 2.5 and 3 m.daN (18.43 and 22.12 lbf.ft).
(18)
Safety the nut (13) with the new cotter pin (12).
(19)
Install the lock springs (Ref. TASK 32-21-18-400-001).
(20)
Install the proximity sensors 18GA and 19GA (Ref. TASK 32-31-73-400-005).
(21)
Install the clamps (27) and (28) on the bracket (29). Install the screw (26), the washer (30) and the nut (31). Tighten the nut (31).
(22)
Apply SEALANTS (Material No. 09-001) in zones E.
(Ref. Fig. 401/TASK 32-21-17-991-001)
Subtask 32-21-17-865-055
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 52GA
Subtask 32-21-17-869-053
D. Aircraft Maintenance Configuration
(1) After you close the LGCIU circuit breakers, put the aircraft back to the correct (ground) condition (Ref. TASK 32-00-00-860-002).
(2)
Remove the access platform(s). Subtask 32-21-17-410-050
E. Close Access
(1)
Close the doors of the nose gear (Ref. TASK 32-22-00-410-001). Subtask 32-21-17-720-050
F. Functional Test
(1) Do the functional test of the NLG normal extension and retraction. (Ref. TASK 32-31-00-720-003)
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G. Lowering of the Aircraft
(1) Lower the aircraft with the jacks (Ref. TASK 07-11-00-586-002).
5. Close-up
________ Subtask 32-21-17-942-050
A. Put the aircraft back to its initial configuration.
(1)
Remove the warning notice(s).
(2)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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LOCK SPRINGS - NLG - REMOVAL/INSTALLATION
_________________________________________ TASK 32-21-18-000-001 Removal of the NLG Lock Springs
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice(s) M21929 2 TENSIONING FIXTURE
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-21-18-991-001 Fig. 401
3. Job Set-up
__________ Subtask 32-21-18-941-050
A. Safety Precautions
(1) In the cockpit, on the panel 400VU put warning notice(s) in position to tell persons not to operate the landing gear control lever.
Subtask 32-21-18-010-050
B. Get Access
(1) Open the doors of the nose landing gear (Ref. TASK 32-22-00-010-001).
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4. Procedure
_________
(Ref. Fig. 401/TASK 32-21-18-991-001) Subtask 32-21-18-020-051
A. Removal of the NLG Lock Springs
(1)
Install the TENSIONING FIXTURE (M21929) on the springs (4) and (11).
(2)
Remove and discard the cotter pins (23) and (15).
(3)
Remove the nuts (22) and (16). NOTE : Stop the pin (19) with a wrench in position on the pin flats.
____
(4)
Remove the washers (21) and (17).
(5)
Remove the springs (4) and (11) from their link on the shock strut.
(6)
Remove and discard the cotter pins (1) and (14).
(7)
Remove the nuts (2) and (13). NOTE : Stop the pin (24) with a wrench in position on the pin flats.
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