W DOC AIRBUS | AMM A320F

Removal of the Engine Pump Fire-Valve

TASK 29-13-52-000-001-A
Removal of the Engine Pump Fire-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: 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.
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
AR
CAP - BLANKING
No specific
1
CONTAINER 1 L (1/4 USGAL)
No specific
AR
PLUG - BLANKING
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(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 29-14-00-614-001-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 29-13-52-941-050-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) Put a WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system.
   (3) Put the SAFETY BARRIER(S) in position.
Subtask 29-13-52-864-050-A
B. 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 29-00-00-864-001).
   (2) Depressurize the Yellow hydraulic system reservoir (Ref. AMM TASK 29-14-00-614-001).
Subtask 29-13-52-865-050-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUHYD/FIRE VALVE/Y/ENG23702GDC14
121VUHYDRAULIC/Y HYD/PUMP ENG2/MONG3700GDQ37
Subtask 29-13-52-010-050-A
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT) below zone 674.
   (2) Remove the access panels 674AB 674BB.
   (3) Put clean Textile-Lint free Cotton - (Material No.14SBA1) below the engine pump fire-valve (5).
   (4) Put a CONTAINER 1 L (1/4 USGAL) below the access door opening, to collect the hydraulic fluid.
4. Procedure
Subtask 29-13-52-020-050-A
A. Removal of the Engine Pump Fire-Valve
   (1) Disconnect the cable connector (3) from the electrical connector (2).
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Hold the engine pump fire valve (5) and disconnect the coupling-nuts (1) and (4).
   (4) Compress the compensated slide (6) to decrease its length. Remove the engine pump fire-valve (5).
   (5) Put the PLUG-BLANKING in each disconnected line end.
[Rev.10 from 2021] 2026.04.01 00:23:55 UTC
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