B.
Leak Test
(1)
Make sure that the clogging indicator (1) stays in during the test.
(2)
Pressurize the reservoirs of the Green, Blue and Yellow hydraulic systems (Ref. TASK 29-14-00-614-002).
(3)
Apply SPECIAL MATERIALS (Material No. 05-004) to the connection of the water separator (3) and make sure that there is no leak.
5. Close-up
________ Subtask 29-14-42-860-055
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Remove the warning notices from the cockpit and the ground service panel of the Green, Blue and Yellow hydraulic systems.
Subtask 29-14-42-410-051
B. Close the access panel 195BB. Subtask 29-14-42-865-055
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1KD, 2KD, 1701GK, 1702GK, 2701GJ, 2702GJ, 3801GX, 3802GX, 3803GX
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R VALVE - PRESSURE REDUCING (1380GM) - REMOVAL/INSTALLATION_________________________________________________________ TASK 29-14-43-000-001 Removal of the Pressure Reducing 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 plugs
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
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
29-14-43-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-14-43-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/HYD PWR/B WARN/& CTL 2702GJ C12 121VU APU/APU/CTL 2KD L42 121VU APU/ECB/SPLY 1KD L41 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34 123VU B HYD/ELEC PUMP 2701GJ AB09 123VU Y HYD/ELEC/PUMP 3802GX AB06
R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 29-14-43-941-050
B. Put the warning notices in position to tell persons not to pressurize the Green, Blue and Yellow hydraulic systems:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panels of the Green, Blue and Yellow hydraulic systems.
Subtask 29-14-43-860-050
C. Aircraft Maintenance Configuration
(1)
Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(2)
Depressurize the reservoirs of the Green, Blue and Yellow hydraulic systems (Ref. TASK 29-14-00-614-001).
Subtask 29-14-43-010-050
D. Open the access panel 195BB.
4. Procedure
_________
(Ref. Fig. 401/TASK 29-14-43-991-001) Subtask 29-14-43-020-050
A. Removal of the Pressure Reducing Valve
(1)
Hold the pressure reducing valve (1) and remove the bolts (2).
(2)
Remove the pressure reducing valve (1)
(3)
Remove and discard the O-ring (3).
(4)
Install blanking plugs in the open ports.
Pressure Reducing Valve
Figure 401/TASK 29-14-43-991-001
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TASK 29-14-43-400-001
Installation of the Pressure Reducing Valve
WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
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