(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 36-11-55-865-050
 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 36-11-55-010-050
 D. Get Access
 (1) Open the access door: FOR 10HA1 413DL FOR 10HA2 423DL
 (2) Put an access platform in position below the engine.
 4. Procedure_________ 
R  (Ref. Fig. 401/TASK 36-11-55-991-001-A) 
R  Subtask 36-11-55-020-051-A 
R  A. Removal of the Bleed-Pressure-Regulator Valve Control-Solenoid 
R R  CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN_______ YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS. 
R  (1) Disconnect the connector (9) from the solenoid (8). 
R  (2) Remove and discard the lockwire from the sense lines (1) and (2). 
R  (3) Disconnect the sense lines (1) and (2) from the unions (12) and (13). 
R  (4) Remove the bolts (3) and (10) and the nuts (4) and (7). 
R  (5) Remove the solenoid (8). 
R  (6) Remove the seal (5) and discard it. 
R  (7) Put blanking caps on the disconnected electrical connectors. 
R  (8) Put blanking plugs on the disconnected line ends.

R R  Bleed-Pressure-Regulator Valve Control-Solenoid Figure 401/TASK 36-11-55-991-001-A
 1EFF : 1 1 1CES  ALL  1 111 36-11-55 Page 404 Nov 01/99

 TASK 36-11-55-400-001

 Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid
 (10HA1,10HA2)
 WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______
 WORK ON THE PNEUMATIC SYSTEM.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
 -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1.5 m (4 ft. 11 in.)
 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. 06-006 USA DOD-L-25681 R ANTI-SEIZE COMPOUND (Ref. 20-31-00) Material No. 19-018 USA AMS 5687 LOCKWIRE 0.6 MM (Ref. 20-31-00)
 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
R 5 O-ring 36-11-06 06B-060 5 O-ring 36-11-06 06C-060

 D. Referenced Information

 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
20-21-12-911-001  Tightening Torques for Pipes Unions (not for OXYGEN unions)
 24-41-00-861-002  Energize the Aircraft Electrical Circuits from the External Power
 24-41-00-862-002  De-energize the Aircraft Electrical Circuits Supplied from the External Power
 36-11-55-720-001  Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid
 36-11-55-991-001-A  Fig. 401
 3. Job Set-up
__________
 Subtask 36-11-55-860-050
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the aircraft electrical circuits are energized (Ref. TASK 24-41-00-861-002).

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

 (3)
 On the AIR COND panel 30VU:

 -Make sure that the ENG 1(2) BLEED pushbutton switch is released
 (the OFF legend is on). R - Make sure that the APU BLEED pushbutton switch is released (the OFF R legend is on).
　
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