36-11-49-991-305-A Fig. 406B R **ON A/C 159-199, 401-499,
 36-11-49-991-305-C Fig. 406C
 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 36-11-49-861-068

 A. Energize the aircraft electrical circuits
 (Ref. TASK 24-41-00-861-002).

 Subtask 36-11-49-941-060
 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),

 -
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 maintenance 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).
 Subtask 36-11-49-865-065
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11 122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22
 Subtask 36-11-49-010-055
 D. 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 in zone 450 for engine 1 and in zone 460 for engine 2.

 Subtask 36-11-49-040-065
 E. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 36-11-49-010-098
 F. Open the thrust reverser cowl doors (Ref. TASK 78-36-00-010-040):
 FOR 1000EM1
 451AL, 452AR
 FOR 1000EM2
 461AL, 462AR

R 1EFF : ALL 1 36-11-49Page 469 1 1 Nov 01/04 1 1 1CES 1

 4. Procedure
_________
 **ON A/C 001-049, 051-099, 101-105, 201-210,

 (Ref. Fig. 406/TASK 36-11-49-991-305)
 **ON A/C 106-149, 211-299, 301-399,

 (Ref. Fig. 406A/TASK 36-11-49-991-305-B)
 **ON A/C 151-158,

 (Ref. Fig. 406B/TASK 36-11-49-991-305-A) R **ON A/C 159-199, 401-499,
 (Ref. Fig. 406C/TASK 36-11-49-991-305-C)
 **ON A/C 001-049, 051-099, 101-149, 201-299, 301-399,

 Subtask 36-11-49-020-055
 A. Remove the Pressure Regulator Valve to Interface Hose Assembly
 (1)
 Disconnect the hose assembly (5) from the engine tube.

 (2)
 Disconnect the hose assembly (5) from the bleed pressure regulator valve (50).

 (3)
 Put protective covers on the hose assembly (5), the engine tube, and the valve (50).

 (4)
 Remove the hose assembly (5) from the engine.

 Pneumatic System Tubes and Hoses
 Figure 406/TASK 36-11-49-991-305

R 1EFF : 001-049, 051-099, 101-105, 201-210, 1 36-11-49Page 471 1 1 May 01/05 1 1 1CES 1

 Pneumatic System Tubes and Hoses R Figure 406A/TASK 36-11-49-991-305-B
R 1EFF : 106-149, 211-299, 301-399, 1 36-11-49Page 472 1 1 May 01/05 1 1 1CES 1

 Pneumatic System Tubes and Hoses 
R  Figure 406B/TASK 36-11-49-991-305-A 
R 1EFF :  151-158,  1  36-11-49 Page 473 
1  1  May 01/05
 1  1
 1CES  1

 Pneumatic System Tubes and Hoses
 Figure 406C/TASK 36-11-49-991-305-C

R 1EFF : 159-199, 401-499, 1 36-11-49Page 474 1 1 Aug 01/05 1 1 1CES 1 **ON A/C 151-158,

 Subtask 36-11-49-020-055-A
 A. Remove the Pressure Regulator Valve to Interface Hose Assembly
 (1)
 Disconnect the hose assembly (5) from the engine tube.

 (2)
 Disconnect the hose assembly (5) from the bleed pressure regulator valve (60).

 (3)
 Put protective covers on the hose assembly (5), the engine tube and the valve (60).
　
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