(4)
Install the bolts (5) and the nuts (6) and tighten them.
(5)
Apply STRUCTURE PAINTS (Material No. 16-003) to the sealant around the depressurization valve (4).
(6)
Make sure that the hydraulic line end-fittings are serviceable.
(7)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the thread of the line end-fitting.
(8)
Connect the line end-fitting (1) to the reducer (2).
(9)
TORQUE the line end-fitting (1) to between 1.5 and 1.7 m.daN (11.06 and 12.53 lbf.ft).
(10) Safety the cap assembly of the depressurization valve (4) with lockwire, corrosion resistant steel 1.2 mm (0.047 in.)
Subtask 29-14-16-790-050
C. Test
(1)
Make sure that the depressurization valve (4) is closed.
(2)
Pressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-002).
(3)
Apply SPECIAL MATERIALS (Material No. 05-004) to the connection of the pipe end-fitting (1) and the reducer (2) and make sure that there are no leaks.
5. Close-up
________ Subtask 29-14-16-942-050
A. Remove the warning notices from the cockpit and from the ground service panel.
Subtask 29-14-16-410-050
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Install the access panel 197BB (Ref. TASK 53-35-13-400-002).
(3)
Close the access door 197CB. Subtask 29-14-16-865-056
C.
Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1701GK, 1831GQ, 1832GQ.
TASK 29-14-16-000-002
Removal of the Reservoir Depressurization Valve of the Blue Hydraulic System
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 caps No specific circuit breaker(s) safety clip(s) No specific warning notices
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 53-35-13-000-002 Removal of the Quick-Release Access Panels from the
Belly Fairing Structure 29-14-16-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-14-16-865-052
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 123VU B HYD/ELEC PUMP 2701GJ AB09
Subtask 29-14-16-860-051
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Put the warning notices in position to tell persons not to pressurize the Blue hydraulic system:
-In the cockpit on the hydraulic panel 40VU of the overhead panel,
-On the ground service panel of the Blue hydraulic system.
(3)
Make sure that the Blue hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Blue hydraulic system (Ref. TASK 29-14-00-614-001).
Subtask 29-14-16-010-051
C. Get Access
(1)
Open the access door 197EB.
(2)
Remove the access panel 197BB (Ref. TASK 53-35-13-000-002).
4. Procedure
_________ (Ref. Fig. 401/TASK 29-14-16-991-001) Subtask 29-14-16-020-051
A. Removal of the Reservoir Depressurization Valve CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
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