-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R  78-30-00-481-041 78-30-00-481-041 78-36-00-010-040 78-36-00-010-040 78-36-00-410-040 78-36-00-410-040  Make the Thrust Reverser Unserviceable for Maintenance Make the Thrust Reverser Unserviceable for MaintenanceOpening of the Thrust Reverser Doors Opening of the Thrust Reverser DoorsClosing of the Thrust Reverser Doors Closing of the Thrust Reverser Doors
 **ON A/C 001-003, 051-054,
 36-11-51-991-001  Fig. 501 
R  **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,
 36-11-51-991-001-A  Fig. 501A
 **ON A/C ALL
 3. Job Set-up__________
 Subtask 36-11-51-861-056
 A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002).
 Subtask 36-11-51-941-050
 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 pushed (the OFF legend is off), - make sure that the APU BLEED pushbutton switch is released (the ON legend is off), - put a warning notice to tell persons not to operate the pneumatic system.

 (3)
 On the ENG panel 115VU:

 -put a warning notice to tell persons not to start the engine 1(2).

 (4)
 On the HP ground connector:

 -Put a warning notice to tell persons not to pressurize the pneumatic system.

 (5)
 On the ENG section of the panel 50VU:

 -make sure that the ON legend of the ENG/FADEC GND PWR 1(2) pushbutton switch is off,
 -put a warning notice to tell persons not to energize the FADEC 1(2).

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 Subtask 36-11-51-010-050
 C. Get Access
 (1)
 Open the fan cowl doors (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR

 (2)
 Put the access platform in position at the HP bleed valve access on the related engine.

 Subtask 36-11-51-040-056
 D. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 36-11-51-010-062
 E. Open the left thrust-reverser cowl door (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL FOR 1000EM2 461AL

R  **ON A/C 401-499, 
R  Subtask 36-11-51-010-050-A 
R  C. Get Access 
R  (1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040): 
R  FOR 1000EM1 
R  437AL, 438AR 
R  FOR 1000EM2 
R  447AL, 448AR 
R  (2) Put the access platform in position at the HP bleed valve on the 
R  related engine. 
R  Subtask 36-11-51-040-056-A 
R  D. Deactivate the Thrust Reverser 
R  WARNING : THE THRUST REVERSER HYDRAULIC CONTROL UNIT (HCU) MUST BE_______ 
R  DEACTIVATED BEFORE WORKING ON OR AROUND THE THRUST REVERSER. 
R  FAILURE TO DEACTIVATE THE HCU CAN RESULT IN INADVERTENT THRUST 
R  REVERSER OPERATION AND INJURY TO PERSONNEL AND/OR DAMAGE TO 
R  EQUIPMENT. 
R  (1) Deactivate the thrust reverser Hydraulic Control Unit (HCU) 
R  (Ref. TASK 78-30-00-481-041). 
R  Subtask 36-11-51-010-062-A 
R  E. Open the left thrust-reverser cowl door (Ref. TASK 78-36-00-010-040): 
R  FOR 1000EM1 
R  451AL 
R  FOR 1000EM2 
R  461AL 
R  **ON A/C ALL
 4. Procedure_________
 **ON A/C 001-003, 051-054,
 (Ref. Fig. 501/TASK 36-11-51-991-001) 

R 1EFF : ALL 1 36-11-51Page 504 1 1 Aug 01/05 1 1 1CES 1

 Functional Test of the High Pressure (HP) Bleed Valve
 Figure 501/TASK 36-11-51-991-001

R 1EFF : 001-003, 051-054, 1 36-11-51Page 505 1 1 Aug 01/05 1 1 1CES 1

R **ON A/C 004-049, 055-099, 101-149, 151-199, 201-299, 301-399, 401-499,

 (Ref. Fig. 501A/TASK 36-11-51-991-001-A) 
R  **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 301-399,
 Subtask 36-11-51-480-050
 A. Installation of the Tool
 (1) Remove the blanking plug from the test port of the HP bleed valve.
 (2) Connect the TEST SET - ENGINE BLEED SYSTEM (98D36003000000) or TEST SET - ENGINE BLEED SYSTEM (98F36003002000) to the test port as shown on the given figure. 
　
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