3. Job Set-up
__________ Subtask 29-14-15-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU HYDRAULIC/LOW/LVL/IND 1832GQ N32 121VU HYDRAULIC/HYD/QTY/IND 1831GQ P35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-14-15-860-050
B. Aircraft Maintenance Configuration
(1)
Put the warning notices in position to tell persons not to pressurize the Green hydraulic system:
-In the cockpit on the hydraulic section 40VU of the overhead panel,
-On the ground service panel of the Green hydraulic system.
(2)
Open the main doors of the main landing gear (Ref. TASK 32-12-00-010-001).
(3)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).
(5)
Disconnect the isolation coupling of the power transfer unit (PTU) (Ref. TASK 29-23-00-860-001).
4. Procedure
_________ (Ref. Fig. 401/TASK 29-14-15-991-001) Subtask 29-14-15-020-050
A. Removal of the Air Pressure Gage
(1)
Cut and remove the lockwire from the pressure gage (1) and the adapter (2).
(2)
Hold the adapter (2) and remove the pressure gage (1).
(3)
Install blanking plugs in the open ends of the pressure gage (1) and
Air Pressure Gage
Figure 401/TASK 29-14-15-991-001
1EFF : ALL 1 29-14-15 Page 403
1 1 Feb 01/98
1 1
1CES 1
the adapter (2).
TASK 29-14-15-400-001 Installation of the Air Pressure Gage of the Green 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 plugs No specific warning notices No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific lockwire, corrosion resistant steel, 0.8 mm (0.032 in.) Material No. 05-004 USA MIL-L-25567 TYPE I OXYGEN LEAK DETECTOR (Ref. 20-31-00)
C. 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 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-23-00-860-002 Connection of the Isolation Coupling of the Power
Transfer Unit (PTU) 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 29-14-15-991-001 Fig. 401
3. Job Set-up
__________
Subtask 29-14-15-860-055
A. Aircraft Maintenance Configuration
(1)
Make sure that the warning notices are in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Green hydraulic system.
(2)
Make sure that the Green hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(3)
Make sure that the reservoir of the Green hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the main doors of the main gear are open (Ref. TASK 32-12-00-010-001).
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