Installation of the High Pressure Compressor (HPC) Stage 10 Solenoid Valve [IAE]

TASK 75-32-53-400-010-A
Installation of the High Pressure Compressor (HPC) Stage 10 Solenoid Valve

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.

ZONE: 400
FIN: 4023KS ** ON A/C NOT FOR ALL

1. Reason for the Job
The HPC stage 10 solenoid valve controls the HPC stage 10 bleed valve.
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 45 and 36 lbf.in (0.51 and 0.41 m.daN )
No specific	Torque wrench: range to between 177 and 159 lbf.in (2.00 and 1.80 m.daN )
No specific	Torque wrench: range to between 221 and 204 lbf.in (2.50 and 2.31 m.daN )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-001)	cleaning fluid
(Material No.V02-126)	lockwire
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-15-912-010-A	Connection of Electrical Connectors
TASK 70-40-11-911-014-A	Locking Devices General Information
TASK 71-00-00-710-017-B	Ground Test Requirements after Power Plant Module/Component Repair or Replacement Procedures
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 75-32-53-700-010-A	Functional Test of the HPC Stage 10 Solenoid Valve with Test Set IAE2R19437
HPC Stage 10 Solenoid Valve
HPC Stage 10 Solenoid Valve

3. Job Set-up
Subtask 75-32-53-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.

Subtask 75-32-53-010-051-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-010)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 75-32-53-630-050-A ** ON A/C NOT FOR ALL

A. Remove all the caps/covers/plugs from the openings.

HPC Stage 10 Solenoid Valve ** ON A/C NOT FOR ALL

Subtask 75-32-53-110-050-A ** ON A/C NOT FOR ALL

B. Clean the mating faces.

WARNING: DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:

FLUSH IT AWAY WITH CLEAN WATER
GET MEDICAL AID.

(1) Make a Textile-Lint free Cotton - (Material No.14SBA1) moist with cleaning fluid (Material No.V01-001) . Use the cloth to clean the solenoid valve and mounting bracket faces.

HPC Stage 10 Solenoid Valve ** ON A/C NOT FOR ALL

Subtask 75-32-53-420-050-A ** ON A/C NOT FOR ALL

C. Install the HPC stage 10 solenoid valve.
(1) Attach the solenoid valve (2) to the mounting bracket (8) with the washers (5) and the bolts (4).
(2) TORQUE the bolts to between 45 and 36 lbf.in (0.51 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(3) Attach the electrical connector (6) to the solenoid valve (2) (Ref. AMM TASK 70-23-15-912-010).
(4) Tighten the connector.
(5) Connect the HP3 air outlet tube.

HPC Stage 10 Solenoid Valve ** ON A/C NOT FOR ALL

(a) Attach the air outlet tube (3) to the solenoid valve (2).
(b) TORQUE the connector to between 177 and 159 lbf.in (2.00 and 1.80 m.daN )

(Ref. AMM TASK 70-23-11-911-013).

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.

Subtask 75-32-53-410-050-A ** ON A/C NOT FOR ALL

D. Install the HP3 air inlet tube.
(1) Connect the air inlet tube to the solenoid valve (2) and the HP3 air tube (7).
(2) TORQUE the connectors to between 221 and 204 lbf.in (2.50 and 2.31 m.daN )

(Ref. AMM TASK 70-23-11-911-013)
(3) Safety the connectors with the lockwire (Material No.V02-126) . (Ref. AMM TASK 70-40-11-911-014)

5. Close-up
Subtask 75-32-53-410-051-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) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(3) Remove the WARNING NOTICE(S).

Subtask 75-32-53-790-050-B ** ON A/C NOT FOR ALL

B. Do a test of the HPC stage 10 solenoid valve (Ref. AMM TASK 75-32-53-700-010) or (Ref. AMM TASK 71-00-00-710-017).

[Rev.10 from 2021] 2026.04.01 03:12:40 UTC