W DOC AIRBUS | AMM A320F

General Visual Inspection of the Wing Fuel Pump Electrical Connections and Underwing Electrical Supply Cable

TASK 28-18-43-210-001-A
General Visual Inspection of the Wing Fuel Pump Electrical Connections and Underwing Electrical Supply Cable

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.
ZONE: 540
ZONE: 640
1. Reason for the Job
Refer to the MPD TASK: 281800-08
GENERAL VISUAL INSPECTION OF WING FUEL PUMP ELECTRICAL CONNECTIONS AND UNDERWING ELECTRICAL SUPPLY CABLE (SFAR88)
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
FLASHLIGHT
No specific
AR
MIRROR - INSPECTION, FLEXIBLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
540
FUEL TANK
640
FUEL TANK
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 28-21-49-000-001-A
Removal of the Fuel Pump Fairings
TASK 28-21-49-400-001-A
Installation of the Fuel Pump Fairings
TASK 32-00-00-481-001-A
Installation of the Safety Devices on the Landing Gears
F Fuel Pump Wiring Harness - Location and Detail
3. Job Set-up
Subtask 28-18-43-941-050-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Make sure that the ground safety locks are on the landing gear (Ref. AMM TASK 32-00-00-481-001).
   (3) On the panel 400VU:
  • make sure that the landing-gear control-lever 6GA is in the DOWN position
  • put a WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
Subtask 28-18-43-010-050-A
B. Get Access
   (1) Remove the inboard and outboard fuel pump fairings (Ref. AMM TASK 28-21-49-000-001).
4. Procedure
Subtask 28-18-43-210-050-A
A. General Visual Inspection of the Wing Fuel Pump Electrical Connections and Underwing Electrical Supply Cable
WARNING: MAKE SURE THAT THE INSTALLATION AND ROUTING OF ALL ELECTRICAL CABLES AGREE WITH THE REQUIREMENTS OF THE ELECTRICAL STANDARD PRACTICES MANUAL.
   (1) Do a visual check of the fuel pump wiring as follows:

F Fuel Pump Wiring Harness - Location and Detail
     (a) Use a MIRROR - INSPECTION, FLEXIBLE and a FLASHLIGHT and examine all of the wiring. Make sure that:
  • there is no sign of wear or damage to the wiring harness or harness connections
  • there is no sign of corrosion on the wiring connections
  • the harness insulation is in good condition
  • the harness clamps and brackets are all correctly installed.
NOTE: If wear or damage is found, the wiring must be repaired. Refer to the Electrical Standard Practices Manual for repair data.
5. Close-up
Subtask 28-18-43-410-050-A
A. Close Access
   (1) Install the inboard and outboard fuel pump fairings (Ref. AMM TASK 28-21-49-400-001).
Subtask 28-18-43-942-050-A
B. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the safety barriers.
   (3) Remove the access platform(s).
   (4) Remove the WARNING NOTICE(S).
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:17:19 UTC
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