W DOC AIRBUS | AMM A320F

Visual Check of High and Low Pressure Manifolds and Ground Service Panels and Manifolds for Signs of External Leakage

TASK 29-10-00-200-025-A
Visual Check of High and Low Pressure Manifolds and Ground Service Panels and Manifolds for Signs of External Leakage

ZONE: 147
ZONE: 195
ZONE: 196
FIN: 1111GM
FIN: 1113GM
FIN: 1146GM ** ON A/C NOT FOR ALL
FIN: 2146GM ** ON A/C NOT FOR ALL
FIN: 3015GM
FIN: 3146GM ** ON A/C NOT FOR ALL
1. Reason for the Job
Refer to the MPD TASK: 290000-07
VISUAL CHECK OF HIGH AND LOW PRESSURE MANIFOLDS AND GROUND SERVICE PANELS AND MANIFOLDS FOR SIGNS OF EXTERNAL LEAKAGE.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
147
MAIN GEAR WELL AND HYDRAULIC COMPARTMENT
195
HYDRAULIC COMPT AND FAIRINGS
196
HYDRAULIC COMPT AND FAIRINGS
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 20-29-00-911-002-A
Removal/Installation of an O-ring (Hydraulic Systems)
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A
De-energize the Ground Service Network Supplied from the External Power
TASK 29-00-00-790-001-A
Check of the External Leaks of the Hydraulic Components
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
F Green Hydraulic System - High Pressure Manifold
F Green Hydraulic System - High pressure Power Transfer Unit Manifold
F Green Hydraulic System - Ground Leakage Manifold ** ON A/C NOT FOR ALL
F Blue Hydraulic System - High Pressure Manifold
F Blue Hydraulic System - Ground Leakage Manifold ** ON A/C NOT FOR ALL
F Yellow Hydraulic System - High Pressure Manifold
F Yellow Hydraulic System - High pressure Power Transfer Unit Manifold
F Yellow Hydraulic System - Ground Leakage Manifold ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 29-10-00-861-054-A
A. Energize the ground service network (Ref. AMM TASK 24-42-00-861-001).
Subtask 29-10-00-010-090-A
B. Get Access
   (1) Open the MLG Doors (Ref. AMM TASK 32-12-00-010-001).
   (2) Install an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE at the zone 147.
4. Procedure
Subtask 29-10-00-210-068-A ** ON A/C NOT FOR ALL
A. Visual Check for External Leakage of the Manifolds.
   (1) Do a visual check for external leaks:
     (a) For the Green main hydraulic power check the:
     (b) For the Blue main hydraulic power check the:
     (c) For the Yellow main hydraulic power check the:
       1 If there are external leaks, do a check of the related hydraulic components (Ref. AMM TASK 29-00-00-790-001).
Subtask 29-10-00-210-068-B ** ON A/C NOT FOR ALL
A. Visual Check for External Leakage of the Manifolds.
   (1) Do a visual check for external leaks:
     (a) For the Green main hydraulic power check the:
     (b) For the Blue main hydraulic power check the:
     (c) For the Yellow main hydraulic power check the:
       1 If there are external leaks, do a check of the related hydraulic components (Ref. AMM TASK 29-00-00-790-001).
Subtask 29-10-00-210-069-A
B. Visual check for signs of black deposit around manifold connections.
   (1) Do a visual check to make sure that there are no signs of black contamination around the connections:
     (a) If there are signs of black contamination, install a new seal at the next maintenance opportunity (Ref. AMM TASK 20-29-00-911-002).
5. Close-up
Subtask 29-10-00-942-050-A
A. Close Access
   (1) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (2) Remove the access platform(s).
   (3) De-energize the ground service network (Ref. AMM TASK 24-42-00-862-001).
[Rev.10 from 2021] 2026.04.01 00:14:22 UTC
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