C. Put the aircraft back to its initial configuration.
 (1)
 Remove the containers.

 (2)
 Remove the safety barriers.

 (3)
 Remove the access platform(s).

 (4)
 Remove the warning notice(s). Subtask 12-36-29-410-073

 D. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access doors 197EB, 197FB.

 (3)
 Close the access panel 195BB.

 (4)
 Remove the ground support and maintenance equipment, the special and standard tools and all other items.

 TASK 12-36-29-170-004
 Flushing of the Green Hydraulic System of the Power Transfer Unit (PTU) 1088GM
 WARNING : PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU
_______
 START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
 1. Reason for the Job
__________________
 To flush the Green hydraulic system after a failure in the part of the PTU 1088GM
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific adaptor
 No specific blanking plugs
 No specific hydraulic power cart
 No specific safety barriers
 No specific union
 No specific warning notices
 No specific access platform 2.5 m (8 ft. 2 in.)
 No specific containers 5 l (1.3208 USgal)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-863-001 Pressurize the Green Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-11-44-610-001 Servicing of the LP-Filter (1002GM) 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 12-36-29-991-004 Fig. 304
 3. Job Set-up
__________
 (Ref. Fig. 304/TASK 12-36-29-991-004) Subtask 12-36-29-860-059
 A. Aircraft Maintenance Configuration
 (1)
 Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).

 (2)
 Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).

 (3)
 Depressurize the reservoir of the Green hydraulic system (Ref. TASK 29-14-00-614-001).

 (4)
 De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).

 Subtask 12-36-29-010-087
 B. Aircraft Maintenance Configuration
 (1)
 Open the left MLG door (Ref. TASK 32-12-00-010-001).

 (2)
 Open the access door 197CB.

 Green Hydraulic System of the PTU 1088GM - Flushing Schematic
 Figure 304/TASK 12-36-29-991-004

 Subtask 12-36-29-860-060

 C. Preparation for the Flushing Procedure
 (1)
 Put the warning notices in position.

 (2)
 Put the safety barriers in position.

 (3)
 Put the access platform in position at the Zone 147.

 (4)
 Put the containers in position to collect the hydraulic fluid below:

 -
the PTU 1088GM,

 -
the LP manifold 1003GM.

 (5)
 Disconnect the case drain line from the Green hydraulic system side of the PTU 1088GM.

 (6)
 Disconnect the case drain line from the LP manifold 1003GM.

 (7)
 Disconnect the pressure line from Green hydraulic system side of the PTU 1088GM.

 (8)
 Connect the pressure line and the case drain line together with a union.

 (9)
 Put the hydraulic power cart in position as necessary. CAUTION : MAKE SURE THAT THE FLOW RATE AND THE SUPPLY PRESSURE ON THE
　
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