W DOC AIRBUS | AMM A320F

Close the FWD or Aft Cargo-Compartment Door with the Hand Pump


TASK 52-30-00-860-004-A
Close the FWD or Aft Cargo-Compartment Door with the Hand Pump


WARNING: BEFORE YOU CLOSE THE CARGO DOOR, BLEED THE DOOR HYDRAULIC SYSTEM IF:
  • THE DOOR WAS OPEN FOR MAINTENANCE WORK ON THE YELLOW HYDRAULIC SYSTEM, AND/OR
  • THE DOOR WAS OPEN FOR MORE THAN 12 HOURS.
IF YOU DO NOT BLEED THE DOOR HYDRAULIC SYSTEM, THE CARGO DOOR CAN CLOSE SUDDENLY (WHEN YOU PUT THE OPERATION LEVER IN THE CLOSED POSITION) AND THUS CAUSE INJURY AND/OR DAMAGE.
CAUTION: YOU MUST CLOSE THE CARGO COMPARTMENT DOORS BEFORE THE WIND SPEED IS MORE THAN 65 KNOTS TO PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.
ZONE: 825
ZONE: 826
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
825
FORWARD CARGO COMPARTMENT DOOR
826
AFT CARGO COMPARTMENT DOOR
134AR, 154AR, 198CB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 52-30-00-080-001-A
Removal of the Safety Support Equipment
TASK 52-36-00-600-001-A
Hydraulic System for the Cargo Compartment Doors - Servicing
3. Job Set-up
Subtask 52-30-00-865-056-A
A. Table of the circuit breakers used in this procedure:
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
122VUDOORS/CARGO1MJT12
Subtask 52-30-00-010-054-A
B. Get Access
   (1) Open access panel 134AR or 154AR.
   (2) Open access panel 198CB in the area of the belly fairing.
   (3) Open, safety and tag this(these) circuit breaker(s):
  • 1MJ.
NOTE: This is necessary to simulate an electrical malfunction of the door control system.
4. Procedure
Subtask 52-30-00-860-056-A
A. Aircraft Maintenance Configuration
WARNING: BEFORE YOU CLOSE THE CARGO DOOR, BLEED THE DOOR HYDRAULIC SYSTEM IF:
  • THE DOOR WAS OPEN FOR MAINTENANCE WORK ON THE YELLOW HYDRAULIC SYSTEM, AND/OR
  • THE DOOR WAS OPEN FOR MORE THAN 12 HOURS.
IF YOU DO NOT BLEED THE DOOR HYDRAULIC SYSTEM, THE CARGO DOOR CAN CLOSE SUDDENLY (WHEN YOU PUT THE OPERATION LEVER IN THE CLOSED POSITION) AND THUS CAUSE INJURY AND/OR DAMAGE.
   (1) If necessary, do the bleed procedure (Ref. AMM TASK 52-36-00-600-001).
   (2) If installed, remove the safety support equipment (Ref. AMM TASK 52-30-00-080-001) from the opened cargo door.
Subtask 52-30-00-869-057-E
CAUTION: YOU MUST CLOSE THE CARGO COMPARTMENT DOORS BEFORE THE WIND SPEED IS MORE THAN 65 KNOTS TO PREVENT DAMAGE TO THE DOOR OR TO THE AIRCRAFT STRUCTURE.
B. Manual Closing of the FWD or Aft Cargo-Compartment Door
NOTE: Two persons are necessary for this procedure.
   (1) Move the selector of the control panel to the CLOSE position and hold it during the operation of the hand pump.
   (2) Put the hand pump lever on the hand pump 3009GM and operate it until the cargo door is fully closed.
   (3) Pull the door handle down to the LOCKED position and push it into the recess of the door structure.
NOTE: Manually lock the hydraulically closed cargo door within 3 sec. maximum. This prevents that the unlocked cargo door moves in the open direction due to the own gravity.
   (4) Make sure that you can see the green mark of each lock cam through the indication windows of the access panel 825AR and/or 826AR.
5. Close-up
Subtask 52-30-00-410-053-A
A. Close Access
   (1) Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
  • 1MJ.
   (2) Close access panel 134AR or 154AR.
   (3) Remove the hand pump lever from hand pump 3009GM and put it in its stowage position.
   (4) Close access panel 198CB.
[Rev.10 from 2021] 2026.04.01 04:05:38 UTC