W DOC AIRBUS | AMM A320F

Deactivation of the Oil Heater System (131-9(A))


TASK 49-96-00-040-001-A
Deactivation of the Oil Heater System (131-9(A))


1. Reason for the Job
NOTE: This deactivation task is not related to an AFM-CDL/MMEL item.
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
1
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
1
PLACARD
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
1
TIE WRAP(S)
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
121AL, 152DW, 152DX, 152EX, 152FW, 152GX, 152HW, 152JW, 162EW, 826, 831
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 12-34-24-869-002-A
Aircraft Grounding (Earthing) for the Maintenance Operations
TASK 12-34-24-869-002-A-01
Aircraft Grounding (Earthing) during Transit, Turnaround or Overnight Stop
TASK 21-26-00-710-001-A
Operational Check of the Avionics Equipment Ventilation-System via MCDU
TASK 21-26-00-710-001-A-01
Operational Check of the Avionics Equipment Ventilation (without the CFDS)
TASK 22-96-00-710-001-A
Operational Test of the AFS
TASK 22-97-00-710-001-A
Operational Test of the LAND CAT III Capability
TASK 24-38-51-000-001-A
Removal of the Battery
TASK 24-38-51-400-001-A
Installation of the Battery
TASK 25-55-11-000-003-A
Removal of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59
TASK 25-55-11-400-003-A
Installation of the Sidewall Panels in the Aft Cargo Compartment - FR47/FR59
TASK 25-55-12-000-003-A
Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 25-55-12-400-003-A
Installation of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 25-55-17-000-001-A
Removal of the Net Stanchions in the Aft and/or Bulk Cargo Compartment
TASK 25-55-17-400-001-A
Installation of the Net Stanchions in the Aft and/or Bulk Cargo Compartment
TASK 28-11-27-000-001-A
Removal of the Additional Center Tank (ACT)
TASK 28-11-27-400-001-A
Installation of the Additional Center Tank (ACT)
TASK 31-50-00-710-001-A
Ground Scanning of the Central Warning System
TASK 31-50-00-710-004-A
Operational Test of the ECAM Control Panel
TASK 31-60-00-710-001-A
Operational Test of the EIS
TASK 33-13-00-710-001-A
Operational Test of the Instrument and Panel Integral-Lighting
TASK 33-14-00-710-001-A
Operational Check of the Light Test System
TASK 49-61-34-000-003-A
Removal of the Electronic Control Box (ECB) (131-9(A))
TASK 49-61-34-400-003-A
Installation of the Electronic Control Box (ECB) (131-9(A))
TASK 52-10-00-010-001-A
Opening of the Passenger/Crew Door
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
TASK 52-30-00-860-008-A
Close the Bulk Cargo-Compartment Door
ESPM 205210
3. Job Set-up
Subtask 49-96-00-860-050-B ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
   (1) Make sure that the aircraft is electrically grounded (Ref. AMM TASK 12-34-24-869-002).
   (2) Put an ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position at FWD passenger/crew door 831.
   (3) Open FWD passenger/crew door 831 (Ref. AMM TASK 52-10-00-010-001).
   (4) On panel 25VU, make sure that the APU MASTER SW P/BSW is off (the ON legend is off).
   (5) Put a WARNING NOTICE(S) in the cockpit to tell persons not to start the APU.
   (6) Make sure that the external power connector is not connected to the aircraft EXT PWR receptacle.
   (7) Put a WARNING NOTICE(S) on access door 121AL to tell persons not to connect the external power connector.
   (8) On panel 25VU, make sure that the EMER EXIT LT pushbutton switch is set to the OFF position.
   (9) On overhead panel 35VU, release BAT pushbuttons switches.
   (10) Put a WARNING NOTICE(S) on panel 35VU to tell persons not to operate the batteries.
   (11) Put a WARNING NOTICE(S) on panel 800VU to tell persons not to operate BATT POWER switch 10PR.
   (12) Put a WARNING NOTICE(S) in the cockpit to tell persons not to start ENG1 and ENG2.
   (13) Disconnect the battery (Ref. AMM TASK 24-38-51-000-001).
   (14) Put an ACCESS PLATFORM 2M (6 FT) in position at aft cargo compartment door 826.
   (15) Open aft cargo compartment door 826 (Ref. AMM TASK 52-30-00-860-001) (Ref. AMM TASK 52-30-00-860-003).
   (16) If the Cargo Loading System (CLS) is installed.
  • Put a WARNING NOTICE(S) in position on the control panel to tell persons not operate the CLS.
NOTE: Only applicable to A/C A319-A320-A321.
   (17) If divider nets are installed in the cargo compartment, remove them (Ref. AMM TASK 25-55-17-000-001).
   (18) If the Additional Center Tank (ACT) is installed in the aft cargo compartment:
Subtask 49-96-00-865-050-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
Subtask 49-96-00-010-065-B ** ON A/C NOT FOR ALL
C. Get Access
   (1) Removal of the sidewall panels:
     (a) Remove panels 152DX, 152GX and 152EX between FR55 and FR57 (Ref. AMM TASK 25-55-11-000-003).
NOTE: Only applicable for A/C A318.
     (b) Remove panels 152FW and 152DW between FR53 and FR55A (Ref. AMM TASK 25-55-11-000-003).
NOTE: Only applicable for A/C A319.
     (c) Remove panels 152HW and 152JW between FR56 and FR59 (Ref. AMM TASK 25-55-11-000-003).
NOTE: Only applicable for A/C A320-A321.
     (d) Remove panel 162EW between FR59 and FR60 (Ref. AMM TASK 25-55-12-000-003).
NOTE: Only applicable for A/C A320-A321.
   (2) Remove the Electronic Control Box (ECB) (59KD) (Ref. AMM TASK 49-61-34-000-003).
4. Procedure
Subtask 49-96-00-040-050-B ** ON A/C NOT FOR ALL
A. Deactivation of the Oil Heater

FOR A/C ALL



FOR A/C A318

F Location of the ECB for A318 ** ON A/C NOT FOR ALL

FOR A/C A319

F Location of the ECB for A319 ** ON A/C NOT FOR ALL

FOR A/C A320-A321

F Location of the ECB for A320-A321 ** ON A/C NOT FOR ALL
   (1) Disconnect the wire (1), terminal AB connector K14 from the ECB (59KD).
  • Make sure that you do not damage the wire harness when you cut the cable-ties.
   (2) Connect the wire (1) on the ECB (59KD) terminal AB connector K13.
   (3) On the wire (1), install the PLACARD (3) with the TIE WRAP(S) (4).
NOTE: Use cable-ties as necessary.
NOTE: If an identification placard is installed on the wire because of the embodiment of SB A320-49-1080, you must remove the placard before you install the ident-placard and the tie.
   (4) Make sure that the wire (1) is installed without chafing.
   (5) In rear circuit breaker panel 121VU, at position K41, disconnect the wires and remove circuit breaker 1KT (5).
   (6) Install the dummy circuit breaker (6) in the circuit breaker position.
Subtask 49-96-00-040-060-B ** ON A/C NOT FOR ALL
B. Installation of the ECB
   (1) Install the ECB (59KD) (Ref. AMM TASK 49-61-34-400-003).
   (2) Connect the battery (Ref. AMM TASK 24-38-51-400-001).
     (a) Make sure that the label of the plug is the same as the label on the receptacle ESPM 205210.
     (b) Make sure that the plug is correctly locked ESPM 205210.
Subtask 49-96-00-865-051-A ** ON A/C NOT FOR ALL
C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
121VUAPU/APU/CTL2KDL42
121VUAPU/ECB/SPLY1KDL41
Subtask 49-96-00-710-054-B ** ON A/C NOT FOR ALL
D. Operational test
   (1) If the aircraft is operated in CAT III condition:
   (2) Do the Operational Test of the Instrument and Panel Integral-Lighting (Ref. AMM TASK 33-13-00-710-001).
   (3) Do the Operational Test of the Lights (Ref. AMM TASK 33-14-00-710-001).
   (4) Do the Operational Check of the Avionics Equipment Ventilation-System (Ref. AMM TASK 21-26-00-710-001).
   (5) Do the Operational Test of the AFS (Ref. AMM TASK 22-96-00-710-001).
   (6) Do the Operational Test of the EIS (Ref. AMM TASK 31-60-00-710-001).
   (7) Do the Operational Test of the ECAM Control Panel (Ref. AMM TASK 31-50-00-710-004).
   (8) Do the Ground Scanning of the Central Warning System (Ref. AMM TASK 31-50-00-710-001).
5. Close-up
Subtask 49-96-00-410-065-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Install the access panels:
     (a) Install access panel 162EW between FR59 and FR60 (Ref. AMM TASK 25-55-12-400-003).
     (b) Install access panels 152HW and 152JW between FR56 and FR59 (Ref. AMM TASK 25-55-11-400-003).
NOTE: Only applicable for A/C A320-A321.
     (c) Install access panel 152FW and 152DW between FR59 and FR60 (Ref. AMM TASK 25-55-12-400-003).
NOTE: Only applicable for A/C A319.
     (d) Install access panels 152DX, 152GX and 152EX between FR55 and FR57 (Ref. AMM TASK 25-55-11-400-003).
NOTE: Only applicable for A/C A318.
   (3) If applicable, install the ACT in the aft cargo compartment (Ref. AMM TASK 28-11-27-400-001).
   (4) If removed, install the divider nets in the aft cargo compartment (Ref. AMM TASK 25-55-17-400-001).
   (5) If applicable, remove the WARNING NOTICE(S) from the control panel of the cargo loading system.
NOTE: Only applicable for A/C A319-A320-A321.
   (6) Close bulk cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-008).
Subtask 49-96-00-860-051-B ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Set the APU MASTER SW P/BSW to off (the ON legend goes off).
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Remove the access platform(s).
   (4) Remove the WARNING NOTICE(S).
   (5) Put the aircraft back to its initial configuration.
[Rev.10 from 2021] 2026.04.01 01:34:06 UTC