W DOC AIRBUS | AMM A320F

Removal of the Waste-Water Ice-Protection Control Unit

TASK 30-71-34-000-001-A
Removal of the Waste-Water Ice-Protection Control Unit

NOTE: The procedure is the same for all the control units.
ZONE: 130
ZONE: 160
ZONE: 170
FIN: 140DU ** ON A/C NOT FOR ALL
FIN: 15DU
FIN: 23DW ** ON A/C NOT FOR ALL
FIN: 25DU ** ON A/C NOT FOR ALL
FIN: 3DW
FIN: 33DW ** ON A/C NOT FOR ALL
FIN: 35DU ** ON A/C NOT FOR ALL
FIN: 5DU
FIN: 53DW ** ON A/C NOT FOR ALL
FIN: 80DU ** ON A/C NOT FOR ALL
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
CAP - BLANKING
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
No specific
1
ACCESS PLATFORM 2M (6 FT)
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
No specific
1
ACCESS PLATFORM 2M (6 FT)
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
FOR [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
No specific
1
ACCESS PLATFORM 2M (6 FT)
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [3DW] (CONTROL UNIT, POTABLE WATERICE PROTECTION-)
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
No specific
1
ACCESS PLATFORM 2M (6 FT)
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
130
FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX
160
BULK CARGO COMPARTMENT AFT BULKHEAD OF AFT CARGO COMPARTMENT TO AFT BULKHEAD OF BULK CARGO COMPARTMENT
170
AFT CAB U/FLOOR COMPT AFT BHD OF BULK
FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
132KW
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
162CW
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
FOR [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
162CW
FOR [3DW] (CONTROL UNIT, POTABLE WATERICE PROTECTION-)
132JW
FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
131MW
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 24-42-00-861-001-A
Energize the Ground Service Network from the External Power
F Control Unit 103DW ** ON A/C NOT FOR ALL
F Control Unit 5DU/15DU/35DU ** ON A/C NOT FOR ALL
F Control Unit ** ON A/C NOT FOR ALL
F Control Unit 5DU/15DU/140DU ** ON A/C NOT FOR ALL
F Control Unit 5DU/15DU/35DU/3DW ** ON A/C NOT FOR ALL
F Control Unit 5DU/15DU/25DU/35DU/80DU/140DU ** ON A/C NOT FOR ALL
FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
TASK 25-54-12-000-003-A
Removal of the Sidewall Panels in the Forward Cargo Compartment
FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
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
TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
FOR [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
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
TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
FOR [3DW] (CONTROL UNIT, POTABLE WATERICE PROTECTION-)
TASK 25-54-12-000-003-A
Removal of the Sidewall Panels in the Forward Cargo Compartment
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
TASK 25-54-12-000-003-A
Removal of the Sidewall Panels in the Forward Cargo Compartment
TASK 52-30-00-860-001-A
Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 52-30-00-860-003-A
Open the FWD or Aft Cargo-Compartment Door with the Hand Pump
3. Job Set-up
Subtask 30-71-34-861-050-A
A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 30-71-34-865-059-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
2000VUWASTE WIP-DRAINMAST-FWD1DUB06
** ON A/C NOT FOR ALL
2000VUPOT/WASTE WIP-HEATER-LINE21DWA03
2000VUPOT/WASTE WIP-HEATER-LINE1DWA02
2000VUPOT/WASTE WIP-HEATER-CTL2DWA01
** ON A/C NOT FOR ALL
2000VUDRAINMAST-FWD1DUB03
** ON A/C NOT FOR ALL
2000VUPOT WIP-HEATER-LINE21DWA03
2000VUWASTE WIP-DRAINMAST-FWD1DUB03
2000VUWASTE WIP-HEATER-CTL9DUB02
2000VUWASTE WIP-HEATER-LINE8DUB01
** ON A/C NOT FOR ALL
2000VUPOT WIP-HEATER-LINE1DWA02
2000VUPOT WIP-HEATER-CTL2DWA01
** ON A/C NOT FOR ALL
2000VUWASTE WIP-HEATER-CTL9DUB05
2000VUWASTE WIP-HEATER-LINE8DUB04
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-HEATER-CTL32DWD02
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP-HEATER-LINE51DWD04
2001VUPOT/WASTE WIP-HEATER-LINE31DWD03
2001VUWASTE WIP-HEATER-LINE31DUE04
** ON A/C ALL
2001VUWASTE WIP-DRAINMAST-AFT11DUE01
** ON A/C NOT FOR ALL
2001VUPOT/WASTE WIP HEATER CTL32DWD02
2001VUWASTE WIP-HEATER-LINE22DUE04
2001VUWASTE WIP-HEATER-CTL10DUE03
2001VUWASTE WIP-DRAINMAST-MID21DUE02
Subtask 30-71-34-010-051-C ** ON A/C NOT FOR ALL
C. Get Access
   (1) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the FWD cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
     (b) Set the CARGO COMPT light switch 6LU to ON.
     (c) Remove the sidewall panel 131MW.
   (2) FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the AFT cargo-compartment door (Ref. AMM TASK 52-30-00-860-001).
     (b) Set the CARGO COMPT light switch 8LU to ON.
     (c) Remove the sidewall panel 162CW.
Subtask 30-71-34-010-051-E ** ON A/C NOT FOR ALL
C. Get Access
   (1) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) in position below the forward cargo-copartment door.
     (c) Set the cargo-compartment light switch 6LU to ON.
     (d) Remove the sidewall panel 131MW.
   (2) FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-), [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) in position below the aft cargo-copartment door.
     (c) Set the cargo-compartment light switch 8LU to ON.
     (d) Remove the sidewall panel 162CW.
Subtask 30-71-34-010-051-G ** ON A/C NOT FOR ALL
C. Get Access
   (1) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-), [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) in position at the forward cargo-compartment door.
     (c) Set cargo-compartment light switch 6LU to ON.
   (2) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Remove sidewall panel 131MW (Ref. AMM TASK 25-54-12-000-003).
   (3) FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Remove sidewall panel 132KW (Ref. AMM TASK 25-54-12-000-003).
   (4) FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) in position at the aft cargo-compartment door.
     (c) Set cargo-compartment light switch 8LU to ON.
     (d) Remove sidewall panel 162CW (Ref. AMM TASK 25-55-12-000-003).
Subtask 30-71-34-010-051-N ** ON A/C NOT FOR ALL
C. Get Access
   (1) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
     (c) Set cargo-compartment light switch 6LU to ON.
     (d) Remove sidewall panel 131MW (Ref. AMM TASK 25-54-12-000-003).
   (2) FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-), [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
     (c) Set cargo-compartment light switch 8LU to ON.
     (d) Remove sidewall panel 162CW (Ref. AMM TASK 25-55-12-000-003).
   (3) FOR [3DW] (CONTROL UNIT, POTABLE WATERICE PROTECTION-)
     (a) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
     (c) Set cargo-compartment light switch 6LU to ON.
     (d) Remove sidewall panel 132JW (Ref. AMM TASK 25-54-12-000-003).
Subtask 30-71-34-010-051-R ** ON A/C NOT FOR ALL
C. Get Access
   (1) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-), [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the forward cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
     (c) Set cargo-compartment light switch 6LU to ON.
   (2) FOR [5DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Remove sidewall panel 131MW (Ref. AMM TASK 25-54-12-000-003).
   (3) FOR [140DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Remove sidewall panel 132KW (Ref. AMM TASK 25-54-12-000-003).
   (4) FOR [15DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-), [35DU] (CONTROL UNIT, WASTE WATER ICE PROTECTION-)
     (a) Open the aft cargo-compartment door (Ref. AMM TASK 52-30-00-860-001) or (Ref. AMM TASK 52-30-00-860-003).
     (b) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
     (c) Set cargo-compartment light switch 8LU to ON.
     (d) Remove sidewall panel 162CW (Ref. AMM TASK 25-55-12-000-003).
4. Procedure
Subtask 30-71-34-020-051-A
A. Removal of a control unit
CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
   (1) Disconnect the electrical connector (6) from the control unit (2).
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the screws (5), the washers (4) and the brackets (3) which hold the control unit (2) in position.
   (4) Remove the control unit (2) from its support (1).
[Rev.10 from 2021] 2026.04.01 00:31:56 UTC
"Aviabrain" 2025