(5) without the identification grooves (equipment side).

 (5)
 Position the new back-up rings (8) on the sides of the bobbins (5) with the identification grooves (manifold side).

 (6)
 Position the new O-rings (4) on the sides of the bobbins (5) with the identification grooves (manifold side).

 (7)
 Install the bobbins (5) with the identification grooves in the ports of the manifold (Ref. TASK 20-23-21-911-001).

 **ON A/C ALL
 Subtask 29-13-33-420-050
 B. Installation of the Priority Valve
 (1)
 Clean the component interface and/or the adjacent area.

 (2)
 Do an inspection of the component interface and/or the adjacent area.

 (3)
 Install the priority valve (1) on the manifold.

 (4)
 Install the bolts (2) and the washers (3).

 (5)
 TORQUE the bolts (2) to between 0.80 and 0.90 m.daN (70.79 and 79.64 lbf.in).

 Subtask 29-13-33-790-050
 C. Leak Test of the Hydraulic Connections
 (1)
 Pressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-001).

 (2)
 Make sure that the fluid level in the reservoir of the Yellow hydraulic system is correct. Add fluid as necessary (Ref. TASK 12-12-29-611-001).

 (3)
 Pressurize the Yellow hydraulic system (Ref. TASK 29-10-00-863-002).

 (4)
 Examine the connection of the priority valve (1) and make sure that there are no leaks.

 (5)
 Depressurize the Yellow hydraulic system (Ref. TASK 29-10-00-864-002).

 5. Close-up
________ Subtask 29-13-33-860-052
 A. Put the aircraft back to the serviceable condition.
 (1)
 Connect the isolation coupling of the power transfer unit (PTU) (Ref. TASK 29-23-00-860-002).

 (2)
 Remove the container.

 (3)
 Remove the warning notices from the cockpit and the ground service panel.

 Subtask 29-13-33-410-050
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the access panel 196BB.

 (3)
 Close the access door 198CB.

 1EFF : ALL 1 29-13-33Page 411 1 1 May 01/04R 1 1 1CES 1

 Subtask 29-13-33-865-052
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1831GQ, 1831GQ, 3801GX, 3802GX, 3803GX.
 1EFF : ALL 1 29-13-33Page 412 1 1 May 01/04R 1 1 1CES 1

 VALVE - FLUID SAMPLING (3187GM) - REMOVAL/INSTALLATION
______________________________________________________
 TASK 29-13-34-000-001
 Removal of the Fluid Sampling Valve of the Yellow Hydraulic System (3187GM)
 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 container
 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
 29-00-00-910-002 Safety Procedures of the Hydraulic System
 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
 Transfer Unit (PTU)

R **ON A/C 001-049, 051-058, 101-101,
 29-13-34-991-001 Fig. 401 -------------------------------------------------------------------------------

REFERENCE DESIGNATION
 -------------------------------------------------------------------------------

R **ON A/C 059-099, 102-149, 151-199, 201-299, 301-399, 401-499,
 29-13-34-991-001-B Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 29-13-34-865-050

 A. Open, safety and tag this(these) circuit breaker(s):
　
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