Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU

TASK 29-23-00-864-001-A
Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-60-00-860-001-A	EIS Start Procedure
TASK 31-60-00-860-002-A	EIS Stop Procedure
TASK 32-12-00-410-001-A	Close the Main Gear Doors after Access

3. Job Set-up
Subtask 29-23-00-860-057-A

A. Make sure that the ECAM system is set to on (Ref. AMM TASK 31-60-00-860-001).

4. Procedure
Subtask 29-23-00-864-053-A

A. Depressurization

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) On the panel 40VU, make sure that the YELLOW ELEC PUMP P/BSW is set to off.
(2) Operate the rudder pedals, or wait for internal leakage to depressurize the Green and Yellow hydraulic systems.

5. Close-up
Subtask 29-23-00-860-055-A

A. Put the aircraft back to the serviceable condition.
(1) Do the EIS stop procedure
(Ref. AMM TASK 31-60-00-860-002).
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(3) Make sure that the work area is clean and clear of tools and other items.
(4) If necessary, close the main doors of the main landing gear (Ref. AMM TASK 32-12-00-410-001).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(6) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 03:55:47 UTC