B. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
R 32-00-00-860-001 Flight Configuration Precautions with Electrical
R Power 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-31-21-991-002 Fig. 402
3. Job Set-up
__________
Subtask 32-31-21-860-052
A. Aircraft Maintenance Configuration
(1) Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001)
1EFF : ALL 1 32-31-21Page 412 1 1 May 01/05 1 1 1CES 1
(2) Depressurize the reservoir of the Green hydraulic system. (Ref. TASK 29-14-00-614-001)
Subtask 32-31-21-010-051
B. Get Access
(1) Open the doors of the nose landing gear (Ref. TASK 32-22-00-010-001).
(2) Put the access platform in position in zone 123.
Subtask 32-31-21-941-054
C. 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.
(2)
Put the warning notice(s) in position to tell persons not to pressurize the Green hydraulic system: - on the panel 40VU in the cockpit, - on the ground service panel of the Green hydraulic system, access
door (197CB).
(3)
Put the safety barriers in position.
(4)
Put a container in position below the NLG uplock assy (2530GM).
(5)
Obey the applicable safety precautions before you open the LGCIU circuit breakers (Ref. TASK 32-00-00-860-001).
Subtask 32-31-21-865-060
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU L/G/LGCIU/SYS1/NORM 1GA C09 121VU HYDRAULIC/LGCIU/SYS2 2GA Q35 121VU HYDRAULIC/LGCIU/SYS1/GRND SPLY 52GA Q34
R
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R 4. Procedure_________
R (Ref. Fig. 402/TASK 32-31-21-991-002)
R Subtask 32-31-21-020-053
R A. Removal of the Actuator of the NLG Uplock Assy
R (1) Disconnect the hydraulic lines (3) and (4).
R (2) Put blanking plugs on the disconnected line ends.
R (3) Cut and remove the lockwire from the three screws (1).
R (4) Remove the three screws (1) from the actuator (2).
R (5) Remove the actuator (2).
R R Actuator of the NLG Uplock Assy Figure 402/TASK 32-31-21-991-002
1EFF : 1 1 1CES ALL 1 111 32-31-21 Page 415 May 01/99
TASK 32-31-21-400-002
Installation of the Actuator of the NLG Uplock Assy
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
No specific warning notice(s)
No specific access platform 2.06 m (6 ft. 9 in.)
No specific container 5 l (1.3208 USgal)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 05-047 C Z-11.904
ANTI COR. COMPOUND(HIGH TEMP.SILICONE SEALANT)
(Ref. 20-31-00)
R Material No. 11-002 USA MIL-PRF-680 DRY CLEANING SOLVENT (VARSOL/WHITE SPIRIT) (Ref. 20-31-00)
Material No. 19-010 USA AMS 5687
LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA
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