B. Preparation for Test
(1)
Connect the PTU isolation coupling (Ref. TASK 29-23-00-860-002).
(2)
If the flight configuration precautions were obeyed, put the aircraft back to the serviceable condition (Ref. TASK 32-00-00-860-002).
(3)
Remove the container.
(4)
Remove the warning notice(s).
(5)
Remove the access platform(s).
(6)
Close the right MLG door (Ref. TASK 32-12-00-410-001).
(7)
If necessary fill the reservoir of the Green hydraulic hydraulic system to the correct level (Ref. TASK 12-12-29-611-001).
Subtask 32-31-48-865-052
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1GA, 2GA, 52GA, 1701GK, 1702GK
Subtask 32-31-48-720-050
D. Do the functional test of the normal extension and retraction of the landing gear (Ref. TASK 32-31-00-720-002).
(1)
Open the right MLG door (Ref. TASK 32-12-00-010-001).
(2)
Make sure that there is no hydraulic fluid leakage from the restrictor valve (3).
5. Close-up
________ Subtask 32-31-48-410-050
A. Close Access
(1)
Apply corrosion protection to the restrictor valve 2538GM, the connector and the adjacent area (Ref. TASK 51-75-13-916-002).
(2)
Make sure that the work area is clean and clear of tool(s) and other items.
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(3)
Close the right MLG door (Ref. TASK 32-12-00-410-001).
(4)
Remove the ground support and maintenance equipment, the special and standard tools and all other items.
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RESTRICTOR VALVE - NLG EXTENSION (2691GM) - REMOVAL/INSTALLATION
________________________________________________________________ TASK 32-31-56-000-001 Removal of the NLG Extension Restrictor Valve WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plug
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)
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 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-31-56-991-001 Fig. 401
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3. Job Set-up
__________ Subtask 32-31-56-860-050
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)
(2)
Depressurize the reservoir of the Green hydraulic system. (Ref. TASK 29-14-00-614-001)
Subtask 32-31-56-941-050
B. 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 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
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