Installation of the HPC Stage 10 Bleed Valve [IAE]

TASK 75-32-54-400-010-A
Installation of the HPC Stage 10 Bleed Valve

FIN: 4001JM ** 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 1M(3 FT)
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 105 and 85 lbf.in (1.19 and 0.96 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 1.18 and 0.96 m.daN (104.42 and 84.96 lbf.in )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V02-126)	lockwire

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR

D. Referenced Information

REFERENCE	DESIGNATION
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
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 75-32-54-700-011-A	Functional Test of the HPC Stage 10 Bleed Valve with Test Set IAE2R19437
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-32-00-010-010-A	Opening of the Thrust Reverser Halves
TASK 78-32-00-410-010-A	Closing of the Thrust Reverser Halves
HP Compressor Stage 10 Bleed Valve

3. Job Set-up
Subtask 75-32-54-860-050-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 1M(3 FT) is in position.

Subtask 75-32-54-010-054-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the thrust reverser doors are open (Ref. AMM TASK 78-32-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR

Subtask 75-32-54-040-051-A ** ON A/C NOT FOR ALL

C. Make sure that the thrust reverser Hydraulic Control Unit (HCU) is deactivated (Ref. AMM TASK 78-30-00-040-012).

Subtask 75-32-54-630-050-A ** ON A/C NOT FOR ALL

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

Subtask 75-32-54-110-050-A ** ON A/C NOT FOR ALL

E. Make sure all the mating faces are clean.

4. Procedure
Subtask 75-32-54-420-050-A ** ON A/C NOT FOR ALL

A. Install the HPC Stage 10 Bleed Valve 4001JM
(1) Install the bleed valve.
(a) Put the bleed valve (7) in position on the support duct.
(b) Align the air operation connection on the bleed valve with the air operation tube (8).

NOTE: Make sure the air operation connection on the bleed valve is in the correct position. The bleed valve can be installed in two positions.

NOTE: Do not install nuts and bolts through the bolt holes where the two brackets (1) and (2) are to be installed.

(d) Do not tighten the eight nuts (10) at this step.
(2) Attach the brackets to the support duct flange.
(a) Position the two brackets (1) and (2) on the support duct.
(b) Attach the brackets with the nuts (10) and the bolts (9).
(3) TORQUE the 12 nuts (10) to between 105 and 85 lbf.in (1.19 and 0.96 m.daN )

(Ref. AMM TASK 70-23-11-911-013).
(4) Connect the air operation tube.
(a) Attach the air operation tube (8) to the connection on the bleed valve (7).
(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).
(c) Safety the connector with the lockwire (Material No.V02-126) (Ref. AMM TASK 70-40-11-911-014).

Subtask 75-32-54-410-050-A ** ON A/C NOT FOR ALL

B. Install the Seal Carrier and the Silencer

HP Compressor Stage 10 Bleed Valve ** ON A/C NOT FOR ALL

Pre SBE 75-0072 and Pre SBE 75-0093
(1) Hold the seal carrier (4) and the silencer (6) in position on the bleed valve (7).
(2) Attach the seal carrier (4) and the silencer (6) to the bleed valve (7) with the bolts (5) and the nuts (3).
(3) TORQUE the bolts to between 1.18 and 0.96 m.daN (104.42 and 84.96 lbf.in )

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

SBE 75-0072 and Pre SBE 75-0093
(4) Hold the seal carrier and silencer assembly (11) in position on the bleed valve (7).
(5) Attach the seal carrier and silencer assembly (11) to the bleed valve (7) with the bolts (12) and the nuts (3).
(6) TORQUE the bolts to between 1.18 and 0.96 m.daN (104.42 and 84.96 lbf.in )

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

SBE 75-0093
(7) Hold the silencer assembly (13) in position on the bleed valve (7).
(8) Attach the silencer assembly (13) to the bleed valve (7) with the bolts (5) and the nuts (3).
(9) TORQUE the bolts (5) to between 1.18 and 0.96 m.daN (104.42 and 84.96 lbf.in )

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

5. Close-up
Subtask 75-32-54-410-053-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 thrust reverser halves (Ref. AMM TASK 78-32-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR

Subtask 75-32-54-440-050-A ** ON A/C NOT FOR ALL

B. Activate the thrust reverser HCU (Ref. AMM TASK 78-30-00-440-012).

Subtask 75-32-54-410-051-A ** ON A/C NOT FOR ALL

C. Close Access
(1) 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
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).

Subtask 75-32-54-720-050-B ** ON A/C NOT FOR ALL

D. For Test Requirements
(1) Do a test of the HPC bleed valve (Ref. AMM TASK 75-32-54-700-011) or (Ref. AMM TASK 71-00-00-710-017).

[Rev.10 from 2021] 2026.04.01 13:00:40 UTC