DOC AIRBUS | AMM A320FRemoval of the CJ13 Harness [CFMB]
TASK 73-21-50-000-029-A
Removal of the CJ13 Harness
1. Reason for the Job
This TASK is applicable for NON/P engines.
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 73-21-50-941-079-A ** ON A/C NOT FOR ALL
Subtask 73-21-50-020-067-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:58:48 UTC
Removal of the CJ13 Harness
1. Reason for the Job
This TASK is applicable for NON/P engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | CAP - BLANKING |
| No specific | AR | PLIERS - CONNECTOR, JAW, SOFT |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 78-30-00-481-041-B | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-B | Opening of the Thrust Reverser Doors |
CJ13 Harness for SAC EngineSubtask 73-21-50-941-079-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 73-21-50-010-099-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine.
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
B. Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040).
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 73-21-50-040-110-A ** ON A/C NOT FOR ALL Subtask 73-21-50-010-121-A ** ON A/C NOT FOR ALL (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
D. Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-040).
(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-21-50-020-067-A ** ON A/C NOT FOR ALL
A. Removal of the CJ13 Harness
(1) Disconnect the HJ13 harness from the CJ13 harness in the 6 o'clock junction box. Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
PRE SB 73-046
(2) Cut and remove the lockwires, and disconnect the CJ13 harness from the T5 temperature sensor receptacle; the TCC sensor at the 9 o'clock position, the TCC sensor at the 3 o'clock position, and the T3 temperature sensor CH. A, CH. B.
POST SB 73-046
(3) Cut and remove the lockwires, and disconnect the CJ13 harness from the T5 temperature sensor receptacle; the TCC sensor at the 3 o'clock position and the T3 temperature sensor CH. A, CH. B.
END SB 73-046
(4) Cut and remove the lockwire, and disconnect the CJ13 harness from the T495 receptacle.
(5) Cut and remove the lockwire which secure the CJ11L, CJ12L and CJ13 harness bulkhead connector nuts together.
(6) Remove the CJ13 harness bulkhead connector nut (190).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the parts which attach the CJ13 harness as follows:
(9) Remove the CJ13 harness from the engine.
(1) Disconnect the HJ13 harness from the CJ13 harness in the 6 o'clock junction box. Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
PRE SB 73-046
(2) Cut and remove the lockwires, and disconnect the CJ13 harness from the T5 temperature sensor receptacle; the TCC sensor at the 9 o'clock position, the TCC sensor at the 3 o'clock position, and the T3 temperature sensor CH. A, CH. B.
POST SB 73-046
(3) Cut and remove the lockwires, and disconnect the CJ13 harness from the T5 temperature sensor receptacle; the TCC sensor at the 3 o'clock position and the T3 temperature sensor CH. A, CH. B.
END SB 73-046
(4) Cut and remove the lockwire, and disconnect the CJ13 harness from the T495 receptacle.
(5) Cut and remove the lockwire which secure the CJ11L, CJ12L and CJ13 harness bulkhead connector nuts together.
(6) Remove the CJ13 harness bulkhead connector nut (190).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Remove the parts which attach the CJ13 harness as follows:
| REMOVE | FROM | NOTE |
|---|---|---|
| Bolts (30) | Bracket (20) | On core engine at the 7:30 o'clock position (Detail D) |
| Nut (165) Bolt (160) Clamps (170) and (180) | Fuel tube (to VBV fuel gear motor) | On core engine at the 6:30 o'clock position (Detail C) |
| Bolt (45) Clamp (47) | Bracket (46) | On core engine at the 8:30 o'clock position (Detail E) |
| Bolt (50) Clamp (60) | Bracket (40) | On core engine at the 9:30 o'clock position (Detail F) |
| Bolt (140) Clamp (130) | Bracket (150) | On core engine at the 10 o'clock position (Detail G) |
| Bolts (80) | Bracket (70) | On core engine at the 11 o'clock position (Detail H) |
| Bolt (110) Clamps (100) and (120) | Bracket (90) | On core engine at the 11:00 o'clock position (Detail J) |
| Nuts (220) and (430) Bolts (210) and (440) Clamps (230) and (420) | Bracket (200) | On core engine at the 8:30 o'clock position (Detail K) |
| Bolt (400) Clamp (390) | Bracket (410) | On flange N at the 9 o'clock position (Detail L) |
| Bolt (250) Clamp (240) | Bracket (260) | On flange N at the 9:30 o'clock position (Detail M) |
| Bolt (370) Clamp (380) | Bracket (360) | On the core engine at the 9:30 o'clock position close to the fuel nozzles (Detail N) |
| Bolt (270) Clamp (290) | Bracket (280) | On the flange R, at the 9:30 o'clock position (Detail P) |
| Bolt (340) Clamp (350) | Bracket (330) | On flange M, at the 6:30 o'clock position (Detail Q) |
| Bolt (300) Clamp (310) | Bracket (320) | On flange N, at the 6:30 o'clock position (Detail R) |
| Bolt (660) Clamp (640) | Bracket (650) | On the core engine at the 6:30 o'clock position close to the fuel nozzles (Detail S) |
| Bolt (450) Clamp (460) | Bracket (470) | On flange R at the 6:30 o'clock position (Detail T) |
| Bolt (620) Clamp (630) | Bracket (610) | On flange R at the 6 o'clock position (Detail U) |
| Bolt (490) Clamp (480) | Bracket (500) | On flange R at the 5:30 o'clock position (Detail V) |
| Bolt (590) Clamp (600) | Bracket (580) | On flange R at the 5 o'clock position (Detail W) |
| Bolts (510) and (515) Clamps (520) and (525) | Bracket (530) | On flange R at the 4:45 and 4:30 positions (Detail X) |
| Nut (570) Bolt (540) Clamp (550) | Bracket (560) | On flange R at the 4 o'clock position (Detail Y) |