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R  3. On the test set:  Read the pressure gage No. 1 and the 
R  - slowly pressurize the system  visual position indicator of the 
R  No. 1 to 90 psi (6.20 bar).  overpressure valve to make sure that: 
R  - the valve is fully closed when the 
R  pressure is between 81.22 psi (5.60 
R  bar) and 85.57 psi (5.90 bar). 
R  4. On the test set:  Read the pressure gage No. 1 and the 
R  - slowly depressurize the system  visual position indicator of the 
R  No. 1 to open the overpressure  overpressure valve to make sure that: 
R  valve.  - the overpressure valve is fully open 
R  when the pressure decreases to 53.94 
R  psi (3.72 bar). 
R  5. On the test set:  On the overpressure valve: 
R  - depressurize the system No. 1,  - the visual position indicator shows 
R  the pressure source and close  that the valve is fully open. 
R  the shutoff valve of the air 
R  cylinder. 
R  **ON A/C ALL
 5. Close-up________
 Subtask 36-11-53-080-050

 A. Put the aircraft back to its Initial Configuration
 (1)
 Disconnect the test set from the test port of the overpressure valve.

 (2)
 Install the test port plug on the overpressure valve.

 

 Subtask 36-11-53-410-051-A
 B. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Close the thrust reverser doors (Ref. TASK 78-36-00-410-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 Subtask 36-11-53-440-050-A
 C. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041). Subtask 36-11-53-410-052-A
 D. Close Access
 (1)
 Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (2)
 Remove the access platform(s).

 (3) Remove the warning notice(s). Subtask 36-11-53-862-050
 E. De-energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-862-002).

 

 VALVE - FAN AIR (9HA1,9HA2) - REMOVAL/INSTALLATION
__________________________________________________ TASK 36-11-54-000-001 Removal of the Fan Air Valve (9HA1,9HA2) WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
 WARNING : BE CAREFUL WHEN YOU WORK ON THE ENGINE COMPONENTS IMMEDIATELY AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS CAN STAY HOT FOR UP TO ONE HOUR.
 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 caps No specific blanking plugs No specific circuit breaker(s) safety clip(s) No specific warning notice No specific access platform 1 m (3 ft. 3 in.)
 1EFF : ALL 1 36-11-54Page 401 1 1 May 01/99R 1 1 1CES 1

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
 External Power
 71-13-00-010-040 Opening of the Fan Cowl Doors
 78-30-00-481-041 Make the Thrust Reverser Unserviceable for

 Maintenance
 78-36-00-010-040 Opening of the Thrust Reverser Doors

 **ON A/C 001-003, 051-054,
 36-11-54-991-001 Fig. 401

R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 36-11-54-991-001-A Fig. 401A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 36-11-54-861-050
 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 36-11-54-941-054
 B. Safety Precautions
 (1)
 Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.

 (2)
 On the AIR COND panel 30VU:

 -
make sure that the ENG 1(2) BLEED pushbutton switch is released (the OFF legend is on),
　
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