Installation of the Green Engine-1 Thrust-Reverser Check-Valve

TASK 29-11-35-400-802-A
Installation of the Green Engine-1 Thrust-Reverser Check-Valve

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.

WARNING: DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.

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

CAUTION: DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.

ZONE: 413
FIN: 3010KM1 ** 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	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	MAT - PROTECTIVE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft )
No specific	Torque wrench: range to between 7.95 and 7.85 m.daN (58.63 and 57.89 lbf.ft )
98D27803000000	1	LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.02ABA1)	Phosphate Ester Hydraulic Fluid-General Power - -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
413	UPPER FWD PYLON
195BB, 197CB, 413AL, 413BL, 413CL, 413DL
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
6	PACKING	AIPC 29-11-86-02-200

E. Referenced Information

REFERENCE	DESIGNATION
TASK 12-12-29-611-001-A	Fill the Hydraulic Fluid Reservoir with a Hand Pump
TASK 20-23-22-910-001-A	Marking of the Unions after Application of Standard or Specific Tightening Torque
TASK 27-00-00-080-002-A	Removal of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-00-00-480-002-A	Installation of the Flap/Slat Control-Lever Locking Tool (98D27803000000)
TASK 27-50-00-866-009-A-01	Retraction of the Flaps/Slats on the Ground
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-11-00-710-001-A	Operational Test of the Green Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 54-52-11-000-805-A	Removal of the Access Skin Panels
TASK 54-52-11-400-805-A	Installation of the Access Skin Panels
TASK 54-52-82-000-801-A	Removal of the Strips
TASK 54-52-82-400-801-A	Installation of the Strips
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
TASK 71-13-00-410-802-A	Closing of the Fan Cowl Doors
TASK 78-30-00-040-805-A	Deactivation of the Thrust Reverser System for Ground Maintenance
TASK 78-30-00-440-805-A	Reactivation of the Thrust Reverser System after Ground Maintenance
Green Engine-1 Thrust-Reverser Check-Valve

3. Job Set-up
Subtask 29-11-35-860-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Make sure that the Green hydraulic system is depressurized
(Ref. AMM TASK 29-10-00-864-001)
(2) Make sure that the reservoir of the Green hydraulic system is depressurized
(Ref. AMM TASK 29-14-00-614-001)
(3) Make sure that the slats are in the fully retracted position (Ref. AMM TASK 27-50-00-866-009).

Subtask 29-11-35-941-054-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) On AIR COND panel 30VU:

Make sure that the APU BLEED pushbutton switch is released (ON legend off).
Make sure that a WARNING NOTICE(S) is in position to tell persons not to operate this pushbutton switch.

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

On the HYD section of panel 40VU
On the ground service panel of the Green hydraulic system.

(3) Make sure that a WARNING NOTICE(S) is in position on the access door 195BB to tell persons not to pressurize the reservoir of the Green hydraulic system.
(4) Make sure that you did the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).
(5) On FLAPS panel 114VU:

Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is in position on the flap/slat control lever (Ref. AMM TASK 27-00-00-480-002).
Make sure that a WARNING NOTICE(S) is in position on the flap/slat control lever to tell persons not to operate the flap/slat controls.

Subtask 29-11-35-040-052-A ** ON A/C NOT FOR ALL

C. Deactivation of the Thrust Reverser System for Maintenance

WARNING: YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.

(1) Make sure that you did the deactivation of the thrust reverser system for maintenance (Ref. AMM TASK 78-30-00-040-805).

Subtask 29-11-35-010-052-B ** ON A/C NOT FOR ALL

D. Get Access
(1) Make sure that the fan cowl doors are closed (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(2) Make sure that an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE is in position at the pylon.
(3) Make sure that a MAT - PROTECTIVE is in position on the engine cowl door(s).
(4) Make sure that access panels 413AL, 413BL 413CL and 413DL are removed (Ref. AMM TASK 54-52-11-000-805).
(5) Make sure that the strip on the Rib 4 is removed (Ref. AMM TASK 54-52-82-000-801).

4. Procedure
Subtask 29-11-35-420-051-B ** ON A/C NOT FOR ALL

A. Installation of the Thrust-Reverser Check-Valve

CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:

ONE WRENCH TO HOLD THE UNION, AND
ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.

THIS PREVENTS DAMAGE TO THE PARTS.

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the hydraulic line end-fittings are serviceable.
(4) Remove the CAP - PROTECTION from the thrust-reverser check-valve (5).
(5) Remove the PLUG-BLANKING from each disconnected line end.
(6) Lubricate the new AIPC 29-11-86-02-200 PACKING (6) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(7) Install the new packing (6) on the thrust-reverser check-valve (5).
(8) Connect the thrust-reverser check-valve (5) to the flanged-tee (7).
(9) TORQUE the thrust-reverser check-valve (5) to between 7.95 and 7.85 m.daN (58.63 and 57.89 lbf.ft )

.
(10) Hold the thrust-reverser check valve (5) with a wrench and connect the pipe (4) to the thrust-reverser check-valve (5).
(11) TORQUE the coupling nut of the pipe (4) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft )

.
(12) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
(13) Put the pipe (4) in position into the half clamp blocks (1), (8) and (13).
(14) Install the half clamp block (1), washers (2) and bolts (3).
(15) Tighten the bolts (3).
(16) Install the half clamp block (8), washers (9) and bolts (10).
(17) Tighten the bolts (10).
(18) Install the half clamp block (13) with the washers (12), bolts (11) and nuts (16).
(19) Make sure that the bushing (20) is correctly installed on the pipe (4) and in the half clamp block (13).
(20) Install the washers (14) and (18), bolts (15) and (17) that attach the half clamp block (13) to the rib (19).
(21) Tighten the nuts (16).
(22) Tighten the bolts (15) and (17).

Subtask 29-11-35-420-051-C ** ON A/C NOT FOR ALL

A. Installation of the Thrust-Reverser Check-Valve

CAUTION: USE TWO WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS:

ONE WRENCH TO HOLD THE UNION, AND
ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT.

THIS PREVENTS DAMAGE TO THE PARTS.

CAUTION: DO NOT USE HIGH-DENSITY FLUID SKYDROL 500B-4 FOR A320NEO FAMILY. THE FLUID CAN CAUSE DAMAGE TO THE HYDRAULIC SYSTEM COMPONENTS.

1 Lubricate the new AIPC 29-11-86-02-200 PACKING (6) with Phosphate Ester Hydraulic Fluid-General Power - - (Material No.02ABA1) .
(b) Install the new packing (6) on the thrust-reverser check-valve (5).
(7) Connect the thrust-reverser check-valve (5) to the flanged-tee (7).
(8) TORQUE the thrust-reverser check-valve (5) to between 7.95 and 7.85 m.daN (58.63 and 57.89 lbf.ft )

.
(9) Hold the thrust-reverser check valve (5) with a wrench and connect the pipe (4) to the thrust-reverser check-valve (5).
(10) TORQUE the coupling nut of the pipe (4) to between 8.3 and 7.5 m.daN (61.21 and 55.31 lbf.ft )

.
(11) Identify the tightened union nuts with a red line
(Ref. AMM TASK 20-23-22-910-001).
(12) Put the pipe (4) in position into the half clamp blocks (1), (8) and (13).
(13) Install the half clamp block (1), washers (2) and bolts (3).
(14) Tighten the bolts (3).
(15) Install the half clamp block (8), washers (9) and bolts (10).
(16) Tighten the bolts (10).
(17) Install the half clamp block (13) with the washers (12), bolts (11) and nuts (16).
(18) Make sure that the bushing (20) is correctly installed on the pipe (4) and in the half clamp block (13).
(19) Install the washers (14) and (18), bolts (15) and (17) that attach the half clamp block (13) to the rib (19).
(20) Tighten the nuts (16).
(21) Tighten the bolts (15) and (17).

Subtask 29-11-35-710-054-A ** ON A/C NOT FOR ALL

B. Operational Test
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Do the operational test of the Green hydraulic system (Ref. AMM TASK 29-11-00-710-001).
(3) After the dry-motoring, make sure that there were no leaks from the hydraulic connections.
(4) Make sure that the level of the hydraulic fluid in the Green reservoir is correct. If necessary, fill the reservoir (Ref. AMM TASK 12-12-29-611-001).

5. Close-up
Subtask 29-11-35-410-051-B ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the strip on the Rib 4 (Ref. AMM TASK 54-52-82-400-801).
(2) Install access panels 413AL, 413BL, 413CL and 413DL (Ref. AMM TASK 54-52-11-400-805).
(3) Remove the MAT - PROTECTIVE.
(4) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR

Subtask 29-11-35-440-051-A ** ON A/C NOT FOR ALL

B. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).

Subtask 29-11-35-410-052-A ** ON A/C NOT FOR ALL

C. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(2) Close access doors 197CB and 195BB.
(3) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever (Ref. AMM TASK 27-00-00-080-002).
(4) Remove the WARNING NOTICE(S).
(5) Remove the access platform(s).

[Rev.10 from 2021] 2026.04.01 00:14:59 UTC