R 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
Subtask 29-13-41-860-062
B. Aircraft Maintenance Configuration
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the access door 196BB is open.
(3)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-00-00-864-001).
(4)
Make sure that the reservoir of the Yellow hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).
(5)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected. (Ref. TASK 29-23-00-860-001).
(6)
Make sure that the warning notices are in position to to tell persons not to pressurize the Yellow hydraulic system:
-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Yellow hydraulic system.
(7)
Make sure that the container is in position below the coonections of the reservoir.
4. Procedure
_________
**ON A/C 001-003, 051-054,
(Ref. Fig. 403/TASK 29-13-41-991-005) R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
(Ref. Fig. 403A/TASK 29-13-41-991-005-A)
**ON A/C ALL
Subtask 29-13-41-420-051
A. Installation of the Quantity Indicator
(1)
Remove the blanking plug from the reservoir (1).
(2)
Lubricate the new O-ring (2) with HYDRAULIC FLUIDS (Material No. 02-003).
(3)
Put the O-ring (2) in position on the quantity indicator (3).
(4)
Put the quantity indicator (3) in position in the reservoir (1).
(5)
Install the bolts (5) and the washers (4).
(6)
Remove the blanking caps from the electrical connector (6) and from the receptacle.
(7)
Make sure that the electrical connectors are clean and in the correct condition.
(8)
Connect the electrical connector (6).
Subtask 29-13-41-860-064
B. Preparation for the Test
(1)
Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
(2)
Fill the reservoir of the hydraulic system (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002) and make sure that the quantity indicator agrees.
Subtask 29-13-41-790-050
C. Leak Test of the Hydraulic Connections
(1)
Pressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-002).
(2)
Examine the connection of the quantity indicator (3) and the reservoir (1). Make sure that there are no leaks.
Subtask 29-13-41-710-052
D. Do this Test:
(1)
Do the EIS start procedure (Upper ECAM DU and lower ECAM DU only) (Ref. TASK 31-60-00-860-001).
(2)
On the ECAM control panel on the cockpit pedestal, push the HYD pushbutton. Make sure that the HYD page on the ECAM lower DU comes on.
(3)
Make sure that the quantity indication on the ECAM lower DU agrees with the quantity indicator of the reservoir.
(4)
Do the operational test of the fluid low-level warning-system (Ref. TASK 29-31-00-710-001).
NOTE : Do only the steps applicable for the Yellow hydraulic system.
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1EFF : ALL 1 29-13-41Page 430 1 1 May 01/05R 1 1 1CES 1
Subtask 29-13-41-870-050
E. Bleeding Procedure
(1)
Pressurize the Yellow hydraulic system (Ref. TASK 29-10-00-863-002).
(2)
Keep the system pressurized for 5 minutes to bleed the Yellow hydraulic system.
5. Close-up
________ Subtask 29-13-41-860-063
A. Put the aircraft back to the serviceable condition.
(1)
Make sure that the level of fluid in the reservoir of the Yellow hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001) or (Ref. TASK 12-12-29-611-002).
(2)
Depressurize the Yellow hydraulic system (Ref. TASK 29-10-00-864-002).
(3)
Do the EIS stop procedure
(Ref. TASK 31-60-00-860-002).
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