W DOC AIRBUS | AMM A320F

Removal of the Outflow Valve - Electronics Module 10HL-1 (10HL-2)

TASK 21-31-51-000-002-A
Removal of the Outflow Valve - Electronics Module 10HL-1 (10HL-2)

WARNING: MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE. HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
NOTE: The procedure is the same for the electronics modules 1 and 2, ELECTRONIC MODULE1 is 10HL-1, ELECTRONIC MODULE 2 is 10HL-2.
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 2M (6 FT)
No specific
AR
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
162CW, 826
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 25-55-12-000-003-A
Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
F Electronics Module 10HL-1 (10HL-2) - Component Location ** ON A/C NOT FOR ALL
F Electronics Module 10HL-1 (10HL-2) - Component Location ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 21-31-51-861-053-A
A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
Subtask 21-31-51-865-112-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUAIR COND/CAB/PRESS/CTL11HLD09
** ON A/C NOT FOR ALL
122VUAIR COND/AFT CARGO VENT/FAN30HNS22
** ON A/C ALL
122VUAIR COND/LAV/GALLEY VENT CTL/EXTRACT FAN/SPLY6HUU19
122VUAIR COND/CAB PRESS/CTL/MAN3HLY23
122VUAIR COND/CAB PRESS/CTL/22HLY22
Subtask 21-31-51-010-051-A ** ON A/C NOT FOR ALL
C. Get Access
F Electronics Module 10HL-1 (10HL-2) - Component Location ** ON A/C NOT FOR ALL
WARNING: DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT IS PRESSURIZED. A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED:
  • WILL CAUSE EXPLOSIVE DECOMPRESSION.
  • CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT OR EQUIPMENT.
WARNING: OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN. ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT. THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED. PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS. IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
   (1) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
   (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
   (3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
Subtask 21-31-51-010-051-B ** ON A/C NOT FOR ALL
C. Get Access
F Electronics Module 10HL-1 (10HL-2) - Component Location ** ON A/C NOT FOR ALL
F Electronics Module 10HL-1 (10HL-2) - Component Location ** ON A/C NOT FOR ALL
WARNING: DO NOT OPEN OR GO NEAR PRESSURE-SEALED DOORS WHEN THE AIRCRAFT IS PRESSURIZED. A PRESSURE-SEALED DOOR THAT OPENS WHEN THE AIRCRAFT IS PRESSURIZED:
  • WILL CAUSE EXPLOSIVE DECOMPRESSION.
  • CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAUSE DAMAGE TO THE AIRCRAFT OR EQUIPMENT.
WARNING: OPEN THE ACCESS DOOR AND MAKE SURE IT STAYS OPEN. ATTACH A WARNING NOTICE TO THE ACCESS DOOR TO TELL PERSONS NOT TO CLOSE IT. THIS IS TO PREVENT ACCIDENTAL PRESSURIZATION OF THE AIRCRAFT BY THE AIR CONDITIONING SYSTEM IF ALL THE OTHER CABIN OPENINGS ARE CLOSED. PRESSURIZATION OF THE AIRCRAFT CAN BE DANGEROUS. IT CAN CAUSE A DOOR TO OPEN WITH EXPLOSIVE FORCE WHICH CAN CAUSE INJURY AND/OR DAMAGE.
   (1) Open the AFT cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
   (2) Put the ACCESS PLATFORM 2M (6 FT) in position at the AFT cargo-compartment door 826.
   (3) Remove the access panel 162CW (Ref. AMM TASK 25-55-12-000-003).
   (4) Remove the bolt (27), the washer (28) and disconnect the bonding straps (4) and (11).
   (5) Release the quick-release fasteners (12) and remove the grill (9) from the retaining clips (10).
   (6) Remove the grill (9) from the aircraft.
4. Procedure
Subtask 21-31-51-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the Electronics Module
   (1) For the electronics module (10HL-1)
     (a) Disconnect the electrical connectors (3) 10HL-A and (32).
     (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (2) For the electronics module (10HL-2)
     (a) Disconnect the electrical connectors (1) 10HL-B and (38).
     (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Release the screws (31) from the top and the bottom of the electronics module (33) 10HL-1 and/or (34) 10HL-2.
   (4) Remove the electronics module (33) and/or (34).
Subtask 21-31-51-020-051-B ** ON A/C NOT FOR ALL
A. Removal of the Electronics Module
   (1) For the electronics module (10HL-1)
     (a) Disconnect the electrical connectors (3) 10HL-A and (32).
     (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (2) For the electronics module (10HL-2)
     (a) Disconnect the electrical connectors (1) 10HL-B and (38).
     (b) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Release the screws (31) from the top and the bottom of the electronics module (33) 10HL-1 and/or (34) 10HL-2.
   (4) Remove the electronics module (33) and/or (34).
[Rev.10 from 2021] 2026.04.02 06:48:13 UTC
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