Installation of the Reservoir Pressurization Tube in the Pylon

TASK 29-14-49-400-002-A
Installation of the Reservoir Pressurization Tube in the Pylon

FIN: 1674GM ** ON A/C NOT FOR ALL

1. Reason for the Job

NOTE: This installation task is only for the engine 1.

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 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.03QBA1)	Dry lubricant-General Assembly - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
195BB
476AR, 476BR
475AR, 475BR
FOR [1000EM1] (ENGINE-1)
437AL, 451AL

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
11	NUT	AIPC 29-14-06-01-125

E. Referenced Information

REFERENCE	DESIGNATION
TASK 29-10-00-864-003-A	Depressurize the Blue Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 29-14-00-720-002-A	Functional Test of the Hydraulic Reservoir Pressurization System with the Left Engine
TASK 29-23-00-864-001-A	Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU
TASK 29-24-00-864-001-A	Depressurize the Yellow Hydraulic System
TASK 54-53-11-000-002-A	Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B	Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-A	Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-B	Installation of the Pylon-to-Wing Access Panels
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-040-A	Closing of the Fan Cowl Doors
TASK 71-13-00-410-040-B	Closing of the Fan Cowl Doors
TASK 78-30-00-040-012-A	Deactivation of the Thrust Reverser Hydraulic Control Unit (HCU) for Ground Maintenance
TASK 78-30-00-081-041-A	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-081-041-B	Make the Thrust Reverser Serviceable after Maintenance
TASK 78-30-00-440-012-A	Re-activation of the Thrust Reverser Hydraulic Control Unit (HCU) after Ground Maintenance
TASK 78-30-00-481-041-A	Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-30-00-481-041-B	Make the Thrust Reverser Unserviceable for 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
TASK 78-36-00-010-040-A	Opening of the Thrust Reverser Doors
TASK 78-36-00-010-040-B	Opening of the Thrust Reverser Doors
TASK 78-36-00-410-040-A	Closing of the Thrust Reverser Doors
TASK 78-36-00-410-040-B	Closing of the Thrust Reverser Doors
Aft Reservoir Pressurization-Tube in the Pylon
Middle Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL
Middle Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL
Forward Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 29-14-49-860-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the hydraulic systems are depressurized (Ref. AMM TASK 29-23-00-864-001), (Ref. AMM TASK 29-24-00-864-001) and (Ref. AMM TASK 29-10-00-864-003).
(2) Make sure that the hydraulic reservoir is depressurized (Ref. AMM TASK 29-14-00-614-001).
(3) Make sure that a WARNING NOTICE(S) is in position to tell persons not to pressurize the hydraulic system:

On the ground service panel 197CB.

(4) Make sure that a WARNING NOTICE(S) is in position on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.

Subtask 29-14-49-941-053-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) Make sure that the engine 1 shutdown occurred not less than five minutes before you do this procedure.
(2) On the center pedestal, on ENG panel 115VU:

Make sure that the ENG/MODE selector switch is in the NORM position.
Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
Make sure that WARNING NOTICE(S) is in position to tell persons not to operate the ENG/MODE selector switch and the ENG/MASTER 1(2) control switch.

(3) Make sure that a WARNING NOTICE(S) is in position to tell persons not to pressurize the hydraulic system:

In the cockpit, on the HYD section of overhead panel 40VU.

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

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

Subtask 29-14-49-010-053-B ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the left fan-cowl door is open (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Make sure that the left thrust-reverser door is open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL.
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position below the engine.
(4) Make sure that the access panels 476AR and 476BR are removed (Ref. AMM TASK 54-53-11-000-002).

Subtask 29-14-49-010-053-D ** ON A/C NOT FOR ALL

Subtask 29-14-49-010-053-F ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the left fan-cowl door is open (Ref. AMM TASK 71-13-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Make sure that the left thrust-reverser half is open (Ref. AMM TASK 78-32-00-010-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL.
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position below the engine.
(4) Make sure that the access panels 475AR and 475BR are removed (Ref. AMM TASK 54-53-11-000-002).

Subtask 29-14-49-010-053-J ** ON A/C NOT FOR ALL

C. Get Access
(1) Make sure that the left fan-cowl door is open (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Make sure that the left thrust-reverser door is open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL.
(3) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position below the engine.
(4) Make sure that the access panels 475AR and 475BR are removed (Ref. AMM TASK 54-53-11-000-002).

Subtask 29-14-49-040-051-B ** ON A/C NOT FOR ALL

D. Deactivation of the Thrust Reverser

WARNING: MAKE SURE THAT THE THRUST REVERSER HYDRAULIC CONTROL UNIT (HCU) IS DEACTIVATED BEFORE YOU DO WORK ON OR AROUND THE THRUST REVERSER. IF THE HCU IS NOT DEACTIVATED, THERE IS A RISK OF UNWANTED THRUST REVERSER OPERATION WHICH CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Make sure that the thrust reverser is unserviceable (Ref. AMM TASK 78-30-00-481-041).

Subtask 29-14-49-040-051-C ** ON A/C NOT FOR ALL

D. Deactivation of the Thrust Reverser

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

Subtask 29-14-49-040-051-D ** ON A/C NOT FOR ALL

D. Deactivation of the Thrust Reverser

(1) Make sure that the thrust reverser is unserviceable (Ref. AMM TASK 78-30-00-481-041).

4. Procedure
Subtask 29-14-49-420-053-A ** ON A/C NOT FOR ALL

A. Installation of the Aft Reservoir Pressurization-Tube in the Pylon

Aft Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs from the line ends.
(4) Put the aft reservoir pressurization-tube (5) in position.
(5) Apply Dry lubricant-General Assembly - - (Material No.03QBA1) to the threads of the middle pressurization tube (8).
(6) Connect the nuts (2) and (9) of the aft reservoir pressurization-tube (5).
(7) TORQUE the nuts (2) and (9) to between 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

.
(8) Attach the clamp (10) with the screw (7) and the washer (6) and tighten.
(9) Attach the clamp (12) with the screw (4), the washer (3) and the new AIPC 29-14-06-01-125 NUT (11).
(10) Tighten the nut (11).

Subtask 29-14-49-420-052-C ** ON A/C NOT FOR ALL

B. Installation of the Middle Reservoir Pressurization-Tube in the Pylon

Middle Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs from the line ends.
(4) Apply Dry lubricant-General Assembly - - (Material No.03QBA1) to the threads of the middle pressurization tube (9).
(5) Put the middle reservoir pressurization-tube (9) in position.
(6) Install the screws (4) and the washers (3).
(7) Connect the aft reservoir pressurization-tube (1) with the nut (2).
(8) Connect the reservoir pressurization hose (8) with the nut (7).
(9) TORQUE the nuts (2) and (7) to between 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

.
(10) Attach the clamps (10) with the screws (6) and the washers (5).
(11) Tighten the screws (4) and (6).

Subtask 29-14-49-420-052-E ** ON A/C NOT FOR ALL

B. Installation of the Middle Reservoir Pressurization-Tube in the Pylon

Middle Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs from the line ends.
(4) Apply Dry lubricant-General Assembly - - (Material No.03QBA1) to the threads of the middle pressurization tube (10).
(5) Put the middle reservoir pressurization-tube (10) in position.
(6) Install the screws (4) and the washers (3).
(7) Connect the aft reservoir pressurization-tube (1) with the nut (2).
(8) Connect the forward reservoir pressurization-tube (9) with the nut (8).
(9) TORQUE the nuts (2) and (8) to between 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

.
(10) Attach the clamps (11) with the screws (7) and the washers (6).
(11) Attach the clamp (12) with the screw (14), the washer (13) and the spacer (5).
(12) Tighten the screws (14) and (7).

Subtask 29-14-49-420-052-G ** ON A/C NOT FOR ALL

B. Installation of the Middle Reservoir Pressurization-Tube in the Pylon

Middle Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs from the line ends.
(4) Apply Dry lubricant-General Assembly - - (Material No.03QBA1) to the threads of the middle pressurization tube (10).
(5) Put the middle reservoir pressurization-tube (10) in position.
(6) Install the screws (4) and the washers (3).
(7) Connect the aft reservoir pressurization-tube (1) with the nut (2).
(8) Connect the reservoir pressurization hose (9) with the nut (8).
(9) TORQUE the nuts (2) and (8) to between 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

.
(10) Attach the clamps (11) with the screws (7) and the washers (6).
(11) Attach the clamp (12) with the screw (14), the washer (13) and the spacer (5).
(12) Tighten the screws (4), (14) and (7).

Subtask 29-14-49-420-051-A ** ON A/C NOT FOR ALL

C. Installation of the Forward Reservoir Pressurization-Tube in the Pylon

Forward Reservoir Pressurization-Tube in the Pylon ** ON A/C NOT FOR ALL

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the blanking plugs from the line ends.
(4) Put the forward reservoir pressurization-tube (3) in position.
(5) Connect the reservoir pressurization hose (6) with the nut (7).
(6) Apply Dry lubricant-General Assembly - - (Material No.03QBA1) to the threads of the middle pressurization tube (1).
(7) Connect the forward reservoir pressurization-tube (3) to the middle reservoir pressurization-tube (1) with the nut (2).
(8) Install the screws (5) and the washers (4).
(9) TORQUE the nuts (2) and (7) to between 1.7 and 1.5 m.daN (12.54 and 11.06 lbf.ft )

.
(10) Tighten the screws (5).

Subtask 29-14-49-720-051-A ** ON A/C NOT FOR ALL

D. Test of the Reservoir Pressurization Tubes
(1) Do the functional test of the hydraulic reservoir pressurization system with the left engine (Ref. AMM TASK 29-14-00-720-002).
(2) Make sure that there are no leaks at the reservoir pressurization tubes.

5. Close-up
Subtask 29-14-49-410-051-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 panels 476AR and 476BR (Ref. AMM TASK 54-53-11-400-002).
(3) Close the left thrust-reverser door (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL.

Subtask 29-14-49-410-051-D ** ON A/C NOT FOR ALL

Subtask 29-14-49-410-051-F ** 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 panels 475AR and 475BR (Ref. AMM TASK 54-53-11-400-002).
(3) Close the left thrust-reverser half (Ref. AMM TASK 78-32-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
451AL.

Subtask 29-14-49-410-051-K ** 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 panels 475AR and 475BR (Ref. AMM TASK 54-53-11-400-002).
(3) Close the left thrust-reverser door (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL.

Subtask 29-14-49-440-050-B ** ON A/C NOT FOR ALL

B. Make the thrust reverser serviceable (Ref. AMM TASK 78-30-00-081-041).

Subtask 29-14-49-410-052-B ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the left fan-cowl door (Ref. AMM TASK 71-13-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

Subtask 29-14-49-440-050-C ** ON A/C NOT FOR ALL

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

Subtask 29-14-49-410-052-C ** ON A/C NOT FOR ALL

E. Close Access
(1) Close the left fan cowl (Ref. AMM TASK 71-13-00-410-010):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Remove the WARNING NOTICE(S).
(3) Remove the access platform(s).

Subtask 29-14-49-440-050-D ** ON A/C NOT FOR ALL

F. Make the thrust reverser serviceable after maintenance (Ref. AMM TASK 78-30-00-081-041).

Subtask 29-14-49-410-052-D ** ON A/C NOT FOR ALL

G. Close Access
(1) Close the left fan-cowl door (Ref. AMM TASK 71-13-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.01 00:25:05 UTC