-in the cockpit on the hydraulic section 40VU of the overhead panel, - on the ground service panel of the Yellow hydraulic system.

 (5)
 Disconnect the isolation coupling of the Power Transfer Unit (PTU) (Ref. TASK 29-23-00-860-001).

 (6)
 Put the container in position below the system pressure switch to collect any hydraulic fluid.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-32-12-991-001) Subtask 29-32-12-020-054
 A. Removal of the System Pressure Switch
 (1)
 Disconnect the electrical connector (1).

 (2)
 Put the blanking cap on the disconnected electrical connector (1).

 (3)
 Remove the nut (5), the washer (6), the screw (8), the bonding jumper

 (7) and the clamp (9) from the system pressure switch (2).

 (4)
 Cut and remove the lockwire.

 (5)
 Loosen the system pressure switch (2) and remove it together with the O-ring (3) from the manifold (4).

 (6)
 Discard the O-ring.

 (7)
 Install the blanking plugs in the open ports.

 TASK 29-32-12-400-003 Installation of the System Pressure Switch (3151GN) WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______
 CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A 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 container
 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 -------------------------------------------------------------------------------
R  Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 O-ring 29-32-03 03A-070 3 O-ring 29-32-03 03B-070

 D. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
20-28-00-912-004 Electrical Bonding of Components With Conductive Bolts and Screws and Bonding Straps in the Fuselage R and in the Wings (this does not include the tanks)-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 29-10-00-863-002 Pressurize the Yellow Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 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) 29-32-00-710-003 Operational Test of the System Pressure Switch
R (3151GN), Pressure Transducer (3065GN) and the associated Indicating System of the Yellow Hydraulic System 32-12-00-010-001 Open the Main Gear Doors for Access 32-12-00-410-001 Close the Main Gear Doors after Access 29-32-12-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 29-32-12-860-058
 A. 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 Yellow 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 Yellow hydraulic system is depressurized. (Ref. TASK 29-14-00-614-001).

 (4)
 Make sure that the warning notices are in position to tell persons not to pressurize the Yellow hydraulic system:

 -In the cockpit on the hydraulic section 40VU of the overhead panel,
　
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