DOC AIRBUS | AMM A320FInstallation of the Maintenance-Interphone Jack Harness
TASK 23-44-41-400-802-A
Installation of the Maintenance-Interphone Jack Harness
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 23-44-41-860-066-A ** ON A/C NOT FOR ALL
Subtask 23-44-41-420-057-A ** ON A/C NOT FOR ALL
(1) Do a visual inspection of the component interface and/or the adjacent area.
(2) Remove the blanking caps from the maintenance-interphone jack harness (1).
(3) Install the maintenance-interphone jack harness (1) on the interphone disconnect panel (2) with the four screws (4) and four washers (3).
(4) Tighten the screws (4) manually.
(5) Connect the pylon harness (5) to the maintenance-interphone jack harness (1).
(6) Attach the maintenance-interphone jack harness (1) to the mounting plate (9).
(7) Install the maintenance-interphone jack harness (1) and the mounting plate (9) on the interphone bracket (10) with the four screws (8).
(8) Torque the four screws (8) to between 0.395 and 0.356 m.daN (34.96 and 31.50 lbf.in )
.
(9) Attach the maintenance-interphone jack harness (1) to the brackets on the right fan cowl door with the twelve screws (7) and twelve clamps (6).
(10) Adjust the maintenance-interphone jack harness (1) to keep the preload a minimum.
(11) Torque the twelve screws (7) to between 0.395 and 0.356 m.daN (34.96 and 31.50 lbf.in ).
(12) Remove the CAP-BLANKING from each electrical connector and receptacle.
(13) Make sure that all the electrical connections are clean and in the correct condition.
(14) Connect the electrical connector to the pylon harness (5).
(15) Connect the electrical connector to the interphone bracket (10).
Subtask 23-44-41-865-068-A ** ON A/C NOT FOR ALL
Subtask 23-44-41-410-053-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2017]
2026.04.02 06:12:15 UTC
Installation of the Maintenance-Interphone Jack Harness
WARNING:
WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 0.395 and 0.356 m.daN (34.96 and 31.50 lbf.in ) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 410 | ENG 1 PYLON BOX AND FORWARD FAIRING |
| 420 | ENG 2 PYLON BOX AND FORWARD FAIRING |
| 430 | ENG 1 AIR INTAKE, FAN AND ACCESS GEARBOX |
| 440 | ENG 2 AIR INTAKE, FAN AND ACCESS GEARBOX |
| FOR [1000EM1] (ENGINE-1) | |
| 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 23-44-00-700-001-A | Operational Test of the Service Interphone |
Maintenance-Interphone Jack Harness (Power Plant)Subtask 23-44-41-860-066-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than 5 minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) to tell persons not to operate:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2), is in position.
Subtask 23-44-41-865-067-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than 5 minutes before you do this procedure.
(c) Make sure that the WARNING NOTICE(S) to tell persons not to operate:
- the ENG/MODE selector switch
- the ENG/MASTER 1(2) control switch
is in position.
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Make sure that the WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2), is in position.
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 23-44-41-010-054-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 101RH (DIRCIDS, 1) | |||
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/1 | 17WH | T17 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 49VU | COM/CIDS/DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M06 |
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M07 |
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/2 | 14WH | T18 |
C. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM D/O 71-13-00-01):
(a) FOR [1000EM1] (ENGINE-1)
- 438AR
(b) FOR [1000EM2] (ENGINE-2)
- 448AR.
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
4. Procedure(1) Make sure that the fan cowl doors are open (Ref. AMM D/O 71-13-00-01):
(a) FOR [1000EM1] (ENGINE-1)
- 438AR
(b) FOR [1000EM2] (ENGINE-2)
- 448AR.
(2) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 23-44-41-420-057-A ** ON A/C NOT FOR ALL
WARNING:
DO NOT GET THE SOLVENT IN YOUR MOUTH OR EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM THE SOLVENT. WEAR PROTECTIVE SPLASH GOGGLES AND GLOVES WHEN YOU USE THE SOLVENT. KEEP THE SOLVENT AWAY FROM SPARKS, FLAME AND HEAT. THE SOLVENT IS POISONOUS AND FLAMMABLE AND CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
A. Installation of the Maintenance-Interphone Jack Harness (1) Do a visual inspection of the component interface and/or the adjacent area.
(2) Remove the blanking caps from the maintenance-interphone jack harness (1).
(3) Install the maintenance-interphone jack harness (1) on the interphone disconnect panel (2) with the four screws (4) and four washers (3).
(4) Tighten the screws (4) manually.
(5) Connect the pylon harness (5) to the maintenance-interphone jack harness (1).
(6) Attach the maintenance-interphone jack harness (1) to the mounting plate (9).
(7) Install the maintenance-interphone jack harness (1) and the mounting plate (9) on the interphone bracket (10) with the four screws (8).
(8) Torque the four screws (8) to between 0.395 and 0.356 m.daN (34.96 and 31.50 lbf.in )
. (9) Attach the maintenance-interphone jack harness (1) to the brackets on the right fan cowl door with the twelve screws (7) and twelve clamps (6).
(10) Adjust the maintenance-interphone jack harness (1) to keep the preload a minimum.
(11) Torque the twelve screws (7) to between 0.395 and 0.356 m.daN (34.96 and 31.50 lbf.in )
. (12) Remove the CAP-BLANKING from each electrical connector and receptacle.
(13) Make sure that all the electrical connections are clean and in the correct condition.
(14) Connect the electrical connector to the pylon harness (5).
(15) Connect the electrical connector to the interphone bracket (10).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 23-44-41-710-056-A ** ON A/C NOT FOR ALL 5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 101RH (DIRCIDS, 1) | |||
| 49VU | AIR COND/CIDS/SDF/DIR1 ESS | 15WH | C05 |
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/1 | 17WH | T17 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 102RH (DIRCIDS, 2) | |||
| 49VU | COM/CIDS/DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | AIR COND/CIDS/SDF/DIR2 ESS | 18WH | C06 |
| 49VU | COM/CIDS/DIR ESS/1 | 150RH | G01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM DIR ESS/2 | 157RH | G02 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M06 |
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/CIDS/DIR NORM/2 | 156RH | M07 |
| 121VU | COM NAV/CIDS/DIR NORM/1 | 151RH | M06 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | AIR COND/CIDS/SDF/DIR NORM/2 | 14WH | T18 |
Subtask 23-44-41-410-053-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right fan cowl door (Ref. AMM D/O 71-13-00-41).
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the right fan cowl door (Ref. AMM D/O 71-13-00-41).
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).