W DOC AIRBUS | AMM A320F

Installation of the Engine Pump Fire-Valve

TASK 29-13-52-400-001-A
Installation of the Engine Pump Fire-Valve

WARNING: MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 3046GD
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)
No specific
1
CONTAINER 1 L (1/4 USGAL)
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
674AB, 674BB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 29-00-00-864-001-A
Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
TASK 29-00-00-910-002-A
Safety Procedures of the Hydraulic System
TASK 29-10-00-720-001-A
Functional Check of Hydraulic Fire Shut-Off Valves
TASK 29-10-00-720-802-A
Functional Check of Hydraulic Fire Shut-Off Valves
TASK 29-10-00-863-002-A
Pressurize the Yellow Hydraulic System with a Hydraulic Ground Power-Cart
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
F Engine Pump Fire-Valve (3046GD) ** ON A/C NOT FOR ALL
F Engine Pump Fire-Valve (3046GD) ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 29-13-52-941-059-A
A. Safety Precautions
WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.
   (1) You must obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002) when you do work on the hydraulic system.
   (2) Make sure that the SAFETY BARRIER(S) are in position.
   (3) Make sure that the WARNING NOTICE(S) is in position to tell persons not to pressurize the Yellow hydraulic system.
Subtask 29-13-52-860-050-A
B. Aircraft Maintenance Configuration
   (1) Make sure that the Yellow hydraulic system is depressurized (Ref. AMM TASK 29-00-00-864-001).
   (2) Make sure that the Yellow hydraulic reservoir is depressurized (Ref. AMM TASK 29-14-00-614-001).
   (3) Make sure that the ACCESS PLATFORM 3M (10 FT) is in position.
   (4) Make sure that the applicable access panels 674AB(674BB) are open.
   (5) Make sure that the CONTAINER 1 L (1/4 USGAL) is below the access panel openings.
Subtask 29-13-52-865-051-A
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUHYD/FIRE VALVE/Y/ENG23702GDC14
121VUHYDRAULIC/Y HYD/PUMP ENG2/MONG3700GDQ37
4. Procedure
Subtask 29-13-52-560-050-A
A. Preparation of a Replacement Component
   (1) Remove the blanking plugs and drain the hydraulic fluid from the engine pump fire-valve (5).
Subtask 29-13-52-420-054-A
B. Preparation for Installation
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) Remove the PLUG-BLANKING from each disconnected line end.
   (2) Clean the component interfaces and the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
   (3) Make sure that the parts retained from the removed component are clean and in the correct condition.
   (4) Do an inspection of the component interfaces and the adjacent area.
Subtask 29-13-52-420-052-A ** ON A/C NOT FOR ALL
C. Installation of the Engine Pump Fire-Valve
   (1) Put the engine pump fire-valve (5) in position.
   (2) Engage the coupling nut (4). Do not tighten it fully.
   (3) Extend the compensated slide (6) to engage the coupling nut (1). Do not tighten it fully.
   (4) Make sure that the engine pump fire-valve (5) is correctly aligned, and tighten the coupling nuts (1) and (4).
   (5) TORQUE the coupling nuts (1) and (4) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T
   (6) Connect the cable connector (3) to the electrical connector (2).
Subtask 29-13-52-420-052-B ** ON A/C NOT FOR ALL
C. Installation of the Engine Pump Fire-Valve
   (1) Put the engine pump fire-valve (5) in position.
   (2) Connect and loosely tighten the coupling-nut (4)
   (3) Extend the compensated slide (6) to engage the coupling nut (1). Loosely tighten the coupling-nut (1).
   (4) Make sure that the engine pump fire-valve (5) is correctly aligned and set the compensated slide (6) to 20 mm (0.79 in.) (- 3 mm (0.12 in.) + 3 mm (0.12 in.)).
   (5) TORQUE the coupling nuts (1) and (4) to between 9.5 and 8.5 m.daN (70.06 and 62.68 lbf.ft ) T
   (6) Remove the CAP-BLANKING from each electrical connector and receptacle.
   (7) Connect the cable connector (3) to the electrical connector (2).
Subtask 29-13-52-865-052-A
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUHYD/FIRE VALVE/Y/ENG23702GDC14
121VUHYDRAULIC/Y HYD/PUMP ENG2/MONG3700GDQ37
Subtask 29-13-52-863-050-A
E. Pressurize the Applicable Hydraulic System
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) Pressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-863-002).
Subtask 29-13-52-720-051-A ** ON A/C NOT FOR ALL
F. Test
   (1) Do a functional test of the engine pump fire-valve (5) (Ref. AMM TASK 29-10-00-720-001).
   (2) Examine the hydraulic connections of the engine pump fire-valve (5) for leaks.
Subtask 29-13-52-720-051-B ** ON A/C NOT FOR ALL
F. Test
   (1) Do a functional test of the engine pump fire-valve (5) (Ref. AMM TASK 29-10-00-720-802).
   (2) Examine the hydraulic connections of the engine pump fire-valve (5) for leaks.
Subtask 29-13-52-864-052-A
G. Depressurize the Applicable Hydraulic System
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
   (1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-10-00-864-001).
5. Close-up
Subtask 29-13-52-410-050-A
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the access panels 674AB 674BB.
Subtask 29-13-52-942-051-A
B. Removal of Equipment
   (1) Remove the CONTAINER 1 L (1/4 USGAL).
   (2) Remove the SAFETY BARRIER(S).
   (3) Remove the WARNING NOTICE(S).
   (4) Remove the access platform(s).
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 00:23:56 UTC
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