Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid

TASK 36-11-55-720-001-A
Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid

FIN: 10HA1 ** ON A/C NOT FOR ALL
FIN: 10HA2 ** ON A/C NOT FOR ALL
FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** 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)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
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

C. Referenced Information

REFERENCE	DESIGNATION
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 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
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 24-41-00-862-002-A-02	De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)

3. Job Set-up
Subtask 36-11-55-861-051-A ** ON A/C NOT FOR ALL

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

Subtask 36-11-55-941-053-A ** ON A/C NOT FOR ALL

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(S) to tell persons not to operate the pneumatic system.

(3) On the ENG panel 115VU:

put a WARNING NOTICE(S) to tell persons not to start the engine 1(2).

(4) On the HP ground connector:

Put a WARNING NOTICE(S) 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(S) to tell persons not to energize the FADEC 1(2).

Subtask 36-11-55-865-055-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR BLEED/X FEED/VALVE/BAT	2HV	D13
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
122VU	AIR BLEED/X FEED VALVE/NORM	1HV	Z20

Subtask 36-11-55-010-052-A ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the related pylon access panel.
(2) Remove 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.

Subtask 36-11-55-010-052-B ** ON A/C NOT FOR ALL

D. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the related pylon access panel.
(2) Remove 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.

4. Procedure
Subtask 36-11-55-720-051-A ** ON A/C NOT FOR ALL

A. Functional Test of the Bleed-Pressure-Regulator Valve Control-Solenoid
(1) On the panel 30VU:

push and release the ENG 1(2) BLEED pushbutton switch and, on the related engine pylon, make sure that you hear clicks on the solenoid of the bleed-pressure-regulator valve control-solenoid.

5. Close-up
Subtask 36-11-55-410-051-A ** ON A/C NOT FOR ALL

A. 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 36-11-55-410-051-B ** ON A/C NOT FOR ALL

A. 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 36-11-55-862-051-A ** ON A/C NOT FOR ALL

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

[Rev.10 from 2021] 2026.04.01 01:14:01 UTC