Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid

TASK 36-11-55-400-001-A
Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid

WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.

ZONE: 471
ZONE: 481
FIN: 10HA1 ** ON A/C NOT FOR ALL
FIN: 10HA2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 1.6 and 1.32 m.daN (141.59 and 116.81 lbf.in )
No specific	Torque wrench: range to between 1.63 and 1.52 m.daN (12.02 and 11.21 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03PBB1)	Lubricant-Anti Seize High Temp. -
(Material No.03QBC1)	Dry lubricant-General Assembly Molybdenum Disulfide & Silicone -
(Material No.14QEB1)	Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
471	PYLON LEADING EDGE
481	PYLON LEADING EDGE
FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
413DT
413CL, 413DL, 414CR
FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
423CL, 423DL, 424CR
423DT

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
5	O-RING	AIPC 36-11-06-06-060
9	O-RING	AIPC 36-11-06-06-060

E. Referenced Information

REFERENCE	DESIGNATION
TASK 20-21-12-911-001-A	Tightening Torques for Pipe Unions (not for OXYGEN Unions)
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-862-002-A	De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01	De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 36-11-55-720-001-A	Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid
TASK 36-12-00-860-001-A	Pressurization of the Bleed System with the APU
TASK 36-12-00-860-002-A	Pressurization of the Bleed System through the HP Ground Connector
TASK 36-22-00-790-001-A	Leak Check on all the Bleed Air Ducts and the Packs Components
TASK 49-00-00-860-006-A	APU Shutdown by External Power
TASK 49-00-00-860-006-A-01	APU Shutdown by Batteries
TASK 49-00-00-860-009-A	APU Shutdown by External Power (131-9(A))
TASK 49-00-00-860-009-A-01	APU Shutdown by Batteries (131-9(A))
Bleed-Pressure-Regulator Valve Control-Solenoid ** ON A/C NOT FOR ALL
Bleed-Pressure-Regulator Valve Control-Solenoid ** ON A/C NOT FOR ALL
Bleed-Pressure-Regulator Valve Control-Solenoid ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 36-11-55-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002) or (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that engine 1(2) is shutdown for a minimum of 5 minutes before you do this procedure.
(3) In the cockpit, on 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).
Make sure that the WARNING NOTICE(S) is in the position to tell persons not to operate the pneumatic system.

(4) In the cockpit, on ENG panel 115VU:

Make sure that the WARNING NOTICE(S) is in the position to tell persons not to start engine 1(2).

(5) On the HP ground connector:

Make sure that the WARNING NOTICE(S) is in the position to tell persons not to pressurize the pneumatic system.

(6) On the ENG section of maintenance panel 50VU:

Make sure that the ON legend of ENG/FADEC GND PWR 1(2) pushbutton-switch is off.
Make sure that the WARNING NOTICE(S) is in the position to tell persons not to energize FADEC 1(2).

(7) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in the position below the engine.

Subtask 36-11-55-865-051-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
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 36-11-55-010-051-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that these access panels are removed:
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
413CL 414CR 413DL
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
423CL 424CR 423DL.

Subtask 36-11-55-010-051-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the access panel is removed:
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
413DT
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
423DT.

4. Procedure
Subtask 36-11-55-420-051-D ** ON A/C NOT FOR ALL

A. Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid
(1) If you use the APU to energize the electrical circuits, stop the APU:

For GTCP 36-300 APU (Ref. AMM D/O 49-00-00-86)
For APS 3200 APU (Ref. AMM TASK 49-00-00-860-006)
For 131-9(A) APU (Ref. AMM TASK 49-00-00-860-009).

(2) In the cockpit, on the SD bleed page:
(a) Make sure that the pressure and the temperature of the bleed-air duct system are in the ambient conditions.

WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.

WARNING: DO NOT TOUCH THE UNIT UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

CAUTION: USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS.

(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Remove the CAP-BLANKING from each electrical connector and receptacle.
(6) Remove the PLUG-BLANKING from each disconnected line end.
(7) Install a new AIPC 36-11-06-06-060 O-RING (5) on the solenoid (8).
(8) Install the solenoid (8) on its support (6).
(9) Install the nut plate (4).
(10) Install the washers (11), the bolts (3) and (10).
(11) TORQUE the bolts (3) and (10) to between 1.6 and 1.32 m.daN (141.59 and 116.81 lbf.in )

.
(12) Do the steps that follow to connect the sense lines (1) and (2):
(a) Make sure that the sense lines (1) and (2) and the unions (12) and (13) are serviceable.
(b) Remove the blanking plugs from the unions (12) and (13).

CAUTION: APPLY ONLY A THIN LAYER OF GREASE TO THE THREADS OF THE HOSE-ASSEMBLY COUPLING NUTS, AND REMOVE THE UNWANTED GREASE TO PREVENT CONTAMINATION OF THE HOSE ASSEMBLY. IF YOU USE TOO MUCH GREASE, IT CAN CAUSE CLOGGING OF THE HOSE ASSEMBLY OR DAMAGE TO THE RELATED COMPONENTS.

(c) Apply a thin layer of Dry lubricant-General Assembly Molybdenum Disulfide & Silicone - (Material No.03QBC1) or Lubricant-Anti Seize High Temp. - (Material No.03PBB1) to the threads of the unions (12) and (13).
(d) Remove the blanking plugs from the sense lines (1) and (2).
(e) Connect the sense lines (1) and (2) to the unions (12) and (13).

CAUTION: USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS.

(13) TORQUE the sense lines (1) and (2) to between 1.63 and 1.52 m.daN (12.02 and 11.21 lbf.ft )

(Ref. AMM TASK 20-21-12-911-001).

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(14) Safety the sense lines (1) and (2) with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy -.
(15) Connect the connector (9) to the solenoid (8).
(16) Make sure that you tightened all the couplings correctly.

Subtask 36-11-55-420-051-H ** ON A/C NOT FOR ALL

A. Installation of the Bleed-Pressure-Regulator Valve Control-Solenoid
(1) If you use the APU to energize the electrical circuits, stop the APU:

For GTCP 36-300 APU (Ref. AMM D/O 49-00-00-86)
For APS 3200 APU (Ref. AMM TASK 49-00-00-860-006)
For 131-9(A) APU (Ref. AMM TASK 49-00-00-860-009).

(2) In the cockpit, on the SD bleed page:
(a) Make sure that the pressure and the temperature of the bleed-air duct system are in the ambient conditions.

WARNING: MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START WORK. PRESSURIZED AIR CAN CAUSE INJURY TO PERSONNEL.

WARNING: DO NOT TOUCH THE UNIT UNTIL IT IS SUFFICIENTLY COOL TO PREVENT BURNS WHEN YOU DO THE MAINTENANCE TASK(S).

CAUTION: USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS.

(3) Clean the component interfaces and the adjacent area.
(4) Do an inspection of the component interfaces and the adjacent area.
(5) Remove the CAP-BLANKING from each electrical connector and receptacle.
(6) Remove the PLUG-BLANKING from each disconnected line end.
(7) Install a new AIPC 36-11-06-06-060 O-RING (9) on the solenoid (10).
(8) Install the solenoid (10) on its support (8).
(9) Install the nut plate (7).
(10) Install the washers (6) and (11) and the bolts (5) and (12).
(11) TORQUE the bolts (5) and (12) to between 1.6 and 1.32 m.daN (141.59 and 116.81 lbf.in )

.
(12) Do the steps that follow to connect the sense lines (1) and (3):
(a) Make sure that the sense lines (1) and (3) and the unions (14) and (4) are serviceable.
(b) Remove the blanking plugs from the unions (14) and (4).

(c) Apply a thin layer of Dry lubricant-General Assembly Molybdenum Disulfide & Silicone - (Material No.03QBC1) or Lubricant-Anti Seize High Temp. - (Material No.03PBB1) to the threads of the unions (14) and (4).
(d) Remove the blanking plugs from the sense lines (1) and (3).
(e) Connect the sense lines (1) and (3) to the unions (14) and (4).

CAUTION: USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN YOU DISCONNECT/CONNECT THE PNEUMATIC LINES ON UNIONS.

(13) TORQUE the sense lines (1) and (3) to between 1.63 and 1.52 m.daN (12.02 and 11.21 lbf.ft )

(Ref. AMM TASK 20-21-12-911-001).

(14) Safety the sense lines (1) and (3) with 14QEB1Wire-Locking Dia: 0.6 mm CRES Nickel Alloy - (2).
(15) Connect the connector (13) to the solenoid (10).
(16) Make sure that you tightened all the couplings correctly.

Subtask 36-11-55-720-050-A ** ON A/C NOT FOR ALL

B. Do this test
(1) Do the functional test of the bleed-pressure-regulator valve control-solenoid (Ref. AMM TASK 36-11-55-720-001).
(2) Remove the warning notice from the HP ground connector.

CAUTION: WHEN YOU PRESSURIZE THE BLEED SYSTEM THROUGH THE HP GROUND CONNECTOR, MAKE SURE THAT THE 30 PSI (2.07 BAR) SUPPLIED PRESSURE IS STABLE. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE EQUIPMENT CAN OCCUR.

(3) Pressurize the bleed system through the HP ground connector (Ref. AMM TASK 36-12-00-860-002) or with the APU (Ref. AMM TASK 36-12-00-860-001).
(4) Make sure that there are no leaks at the junction between the bleed-pressure-regulator valve control-solenoid and the duct on the related engine (Ref. AMM TASK 36-22-00-790-001).

5. Close-up
Subtask 36-11-55-865-052-A ** ON A/C NOT FOR ALL

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
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 36-11-55-410-050-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install these access panels:
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
413CL 414CR 413DL
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
423CL 424CR 423DL.
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).

Subtask 36-11-55-410-050-B ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the access panel:
(a) FOR [10HA1] (SOLENOID-BLEED PRESS REG V CTL, ENG 1)
413DT
(b) FOR [10HA2] (SOLENOID-BLEED PRESS REG V CTL, ENG 2)
423DT.
(3) Remove the WARNING NOTICE(S).
(4) Remove the access platform(s).

Subtask 36-11-55-862-050-A ** ON A/C NOT FOR ALL

C. De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002) or (Ref. AMM TASK 24-41-00-862-002).

[Rev.10 from 2021] 2026.04.01 12:37:54 UTC