Subtask 29-13-15-865-052
 C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 3801GX, 3802GX, 3803GX.
 Subtask 29-13-15-860-054
 D. Preparation for the Test
 (1)
 Connect the isolation coupling of the PTU (Ref. TASK 29-23-00-860-002).

 (2)
 Pressurize the reservoir of the Yellow hydraulic system (Ref. TASK 29-14-00-614-002).

 Subtask 29-13-15-710-050
 E. Test
 (1)
 Do the operational test of the PTU (Ref. TASK 29-23-00-710-002).

 (2)
 During the operational test, examine the connections of the manifold

 (7) and make sure that there are no leaks.
 5. Close-up
________ Subtask 29-13-15-860-055
 A. Put the aircraft back to the serviceable condition.
 (1)
 Remove the container from below the PTU manifold.

 (2)
 Remove the access platform(s).

 (3)
 Remove the warning notice(s).

 (4)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (5)
 Close the main doors of the main gear (Ref. TASK 32-12-00-410-001).

R 1EFF : ALL 1 29-13-15Page 431 1 1 May 01/05 1 1 1CES 1

 PRESSURE SWITCH - ENGINE PUMP (3074GD) - REMOVAL/INSTALLATION
_____________________________________________________________
 TASK 29-13-17-000-041
 Removal of the Engine-Pump Pressure Switch (3074GD)
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.

_______
 WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER

_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
 CAUTION : DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC
_______ FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
 1.
 Reason for the Job

__________________
 Self Explanatory

 2.
 Job Set-up Information

______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
 No specific protective covers
 No specific warning notice(s)
 No specific access platform 1.50 m (4 ft. 11 in.)
 No specific container 5 l (1.3208 USgal)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-24-00-864-001 Depressurize the Yellow Hydraulic System R 71-13-00-010-040 Opening of the Fan Cowl Doors 29-13-17-991-902 Fig. 401

 3. Job Set-up
__________ Subtask 29-13-17-860-054
 A. Aircraft Maintenance Configuration
 (1)
 Depressurize the Yellow hydraulic system (Ref. TASK 29-24-00-864-001).

 (2)
 Depressurize the Yellow hydraulic reservoir (Ref. TASK 29-14-00-614-001).

 (3)
 Put warning notice(s) in position to tell persons not to pressurize the Yellow hydraulic system: - on the ground service panel 198CB.

 (4)
 Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Yellow hydraulic reservoir.

 Subtask 29-13-17-941-053
 B. Safety Precautions
 (1)
 On the center pedestal, on the ENG panel 115VU:

 -put warning notice(s) to tell persons not to start the engine.

 (2)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (3)
 Put warning notice(s) in position to tell persons not to pressurize the Yellow hydraulic system:

 -in the cockpit, on the HYD section of the overhead panel 40VU.

 (4)
 On the overhead maintenance panel 50VU:

 -make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

 (5)
 Put warning notice(s) to tell persons not to energize the FADEC 1(2).

 (6)
 Put a container below the pressure switch (15) to collect the hydraulic fluid.

 Subtask 29-13-17-865-053
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
　
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