DOC AIRBUS | AMM A320FInstallation of the CJ13 Harness [CFMI]
TASK 73-21-50-400-005-A
Installation of the CJ13 Harness
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 73-21-50-860-076-A ** ON A/C NOT FOR ALL
Subtask 73-21-50-420-095-B ** ON A/C NOT FOR ALL
Subtask 73-21-50-862-054-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 13:05:00 UTC
Installation of the CJ13 Harness
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2101) | graphite grease |
| (Material No.CP8001) | lockwire 0.032 in. (0.8 mm) dia. |
| (Material No.CP8002) | lockwire 0.032 in. (0.8 mm) dia |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 461AL, 462AR | |
| 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 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 71-13-00-010-040-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-A | Closing of the Fan Cowl Doors |
| TASK 73-29-00-710-040-A-02 | Operational Test of the FADEC on the Ground (with Engine non Motoring) |
| TASK 78-30-00-081-041-A | Make the Thrust Reverser Serviceable after Maintenance |
| TASK 78-30-00-481-041-A | Make the Thrust Reverser Unserviceable for Maintenance |
| TASK 78-36-00-010-040-A | Opening of the Thrust Reverser Doors |
| TASK 78-36-00-410-040-A | Closing of the Thrust Reverser Doors |
CJ13 HarnessSubtask 73-21-50-860-076-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
Subtask 73-21-50-010-075-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the thrust reverser doors are open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-21-50-040-059-A ** ON A/C NOT FOR ALL 4. Procedure(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(2) Make sure that the thrust reverser doors are open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-21-50-420-095-B ** ON A/C NOT FOR ALL
A. Installation of the CJ13 Harness
(1) Remove the caps from the connectors, and set the harness in position.
(2) Attach the main harness junction box to the bracket at the 7 o'clock location on flange N of the core engine with 2 bolts (43), the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (detail B) by hand.
(3) Attach the 3 other harness junction boxes to the brackets with 2 bolts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand on the items which follow:
(a) The bracket at the 10:30 location between flanges L and N of the core engine (detail C).
(b) The bracket at the 9 o'clock location on flange P of the core engine (detail D).
(c) The bracket at the 5 o'clock location on flange R of the core engine (detail E).
PRE CFM SB 72-076
(a) Install O-ring (41) on receptacle.
(b) Install the receptacle on the rear face of the 6 o'clock junction box.
(c) Install the nut (40) on the receptacle head.
(d) TORQUE the nut to between 95 and 90 lbf.in (1.07 and 1.02 m.daN )
.
END OF PRE CFM SB 72-076
POST CFM SB 72-076
(e) Install O-ring (41) on receptacle.
(f) Install the receptacle on the rear face of the 6 o'clock junction box.
(g) Install the lockwasher (42) and the nut (40) on the receptacle head.
(h) TORQUE the nut to between 95 and 90 lbf.in (1.07 and 1.02 m.daN ).
(i) Safety the nut and the lockwasher withCP8001 lockwire 0.032 in. (0.8 mm) dia. CP8002 lockwire 0.032 in. (0.8 mm) dia
END OF POST CFM SB 72-076
PRE CFM SB 73-036
(a) Connect the harness to the T3 temperature sensor, the High Pressure Turbine (HPT) case temperature sensors, the T5 sensor and the T495 temperature sensor as follows:
1 Engage the connector in the related receptacle, and turn knurled coupling ring by hand until full engagement.
2 Tighten the coupling ring with PLIERS - JAWED, SOFT.
3 Make sure that the connector is fully engaged and does not move.
4 If necessary, do the above steps again.
END OF PRE CFM SB 73-036
POST CFM SB 73-036
5 Connect the harness to the T3 temperature sensor, the HPT case temperature sensors, the T5 sensor and the T495 temperature sensor as follows:
6 Engage the connector in the related receptacle, and turn the knurled coupling ring by hand until full engagement.
7 TORQUE the connector nuts to between 178 and 133 lbf.in (2.01 and 1.50 m.daN ).
8 Safetywire the nuts of the CJ13 harness connectors withCP8001 lockwire 0.032 in. (0.8 mm) dia. CP8002 lockwire 0.032 in. (0.8 mm) dia
END OF POST CFM SB 73-036
(6) Install 4 loop clamps on the harness between the main harness junction box and the T3 sensor connector as follows: Attach to the brackets with bolts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand.
(a) Clamp (47) with bolt (48) and nut (46) (detail F).
PRE CFM SB 72-019
(b) Clamp (50) with bolt (49) and nut (51) (detail G, configuration 1).
END OF PRE CFM SB 72-019
POST CFM SB 72-019
(c) Clamp (50) with bolt (49) (detail G, configuration 2).
END OF POST CFM SB 72-019
(d) Clamp (56) with bolt (55) (detail H).
(e) Clamp (53) with bolt (52) and nut (54) (detail S).
PRE CFM SB 73-0129
(7) Install 4 loop clamps on the harness between the main harness junction box, T495 sensor connector and the Higth Pressure Turbine Active Clearance Control (HPTACC) sensor connector at the 9 o'clock location. Attach to the brackets with bolts and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details J, K, L and M) by hand.
PRE CFM SB 72-169
(a) Clamp (58) with bolt (59) and nut (57) (detail J).
END OF PRE CFM SB 72-169
POST CFM SB 72-169
(b) Clamp (58) with spacer, bolt (59) and nut (57) (detail J).
END OF POST CFM SB 72-169
(c) Clamp (60) with bolt (61) (detail K).
(d) Clamp (63) with bolt (62) (detail L).
(e) Clamp (66) with spacer (64) and bolt (65) (detail M, configuration 2).
POST CFM SB 72-060 or POST CFM SB 72-065
(f) Clamp (66) with bolt (65) (detail M, configuration 3).
END OF POST CFM SB 72-060 or POST CFM SB 72-065
END OF PRE CFM SB 73-0129
POST CFM SB 73-0129
(8) Install 3 loop clamps on the harness between the main harness junction box and T495 sensor connector at the 9 o'clock location. Attach to the brackets with bolts and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details J, L and M) by hand.
PRE CFM SB 72-169
(a) Clamp (58) with bolt (59) and nut (57) (detail J).
END OF PRE CFM SB 72-169
POST CFM SB 72-169
(b) Clamp (58) with spacer, bolt (59) and nut (57) (detail J).
END OF POST CFM SB 72-169
(c) Clamp (63) with bolt (62) (detail L).
(d) Clamp (66) with spacer (64) and bolt (65) (detail M, configuration 2).
POST CFM SB 72-060 or POST CFM SB 72-065
(e) Clamp (66) with bolt (65) (detail M, configuration 3).
END OF POST CFM SB 72-060 or POST CFM SB 72-065
END OF POST CFM SB 73-0129
(9) Install 4 loop clamps on the harness between the main harness junction box, the T5 sensor connector and the HPTACC connector at the 3 o'clock location. Attach to the brackets with bolts, the spacer (68) (detail N) and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details N, T, P and Q) by hand.
(10) Install the clamp on the harness between the main harness junction box and the 6 o'clock junction box connector. Attach to the bracket with bolt (80), the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolt (detail R) by hand.
(11) Make sure that the harness is not stressed, and TORQUE the bolts as follows:
(a) TORQUE the bolts which attach the 4 junction boxes to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ).
(b) TORQUE the nut (40) which attaches the connector to the 6 o'clock junction box to between 100 and 90 lbf.in (1.13 and 1.02 m.daN ), and safety with CP8001 lockwire 0.032 in. (0.8 mm) dia. CP8002 lockwire 0.032 in. (0.8 mm) dia
.
(d) Connect the J13 harness into the 6 o'clock junction box.
Subtask 73-21-50-942-072-A ** ON A/C NOT FOR ALL (1) Remove the caps from the connectors, and set the harness in position.
(2) Attach the main harness junction box to the bracket at the 7 o'clock location on flange N of the core engine with 2 bolts (43), the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (detail B) by hand.
(3) Attach the 3 other harness junction boxes to the brackets with 2 bolts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand on the items which follow:
(a) The bracket at the 10:30 location between flanges L and N of the core engine (detail C).
(b) The bracket at the 9 o'clock location on flange P of the core engine (detail D).
(c) The bracket at the 5 o'clock location on flange R of the core engine (detail E).
CAUTION:
DO NOT APPLY LUBRICANT OR ANTI-SEIZE COMPOUND (SPRAY OR LIQUID) INTO THE CONNECTOR NUT AND RECEPTACLE. LUBRICANT THAT TOUCHES INTERNAL CHROMEL AND ALUMEL WIRES CAN CAUSE EGT INCORRECT INDICATION.
(4) Install the receptacle of the CJ13 harness on the 6 o'clock junction box as follows: (detail A). PRE CFM SB 72-076
(a) Install O-ring (41) on receptacle.
(b) Install the receptacle on the rear face of the 6 o'clock junction box.
(c) Install the nut (40) on the receptacle head.
(d) TORQUE the nut to between 95 and 90 lbf.in (1.07 and 1.02 m.daN )
. END OF PRE CFM SB 72-076
POST CFM SB 72-076
(e) Install O-ring (41) on receptacle.
(f) Install the receptacle on the rear face of the 6 o'clock junction box.
(g) Install the lockwasher (42) and the nut (40) on the receptacle head.
(h) TORQUE the nut to between 95 and 90 lbf.in (1.07 and 1.02 m.daN )
. (i) Safety the nut and the lockwasher with
END OF POST CFM SB 72-076
CAUTION:
CAREFULLY ALIGN THE CONNECTOR KEY WITH THE RECEPTACLE KEYWAY BEFORE YOU CONNECT THEM TO PREVENT DAMAGE TO THE CONNECTORS.
CAUTION:
DISTRIBUTE THE SLACK ALL ALONG THE CABLE. DO NOT LET THE CABLE SHEATH TOUCH THE ADJACENT COMPONENTS. DO NOT TWIST THE SHEATH BY MORE THAN 180 DEGREES.
CAUTION:
DO NOT APPLY LUBRICANT OR ANTI-SEIZE COMPOUND (SPRAY OR LIQUID) INTO THE CONNECTOR NUT AND RECEPTACLE. LUBRICANT THAT TOUCHES INTERNAL CHROMEL AND ALUMEL WIRES CAN CAUSE EGT INCORRECT INDICATION.
(5) Connect the electrical connectors: PRE CFM SB 73-036
(a) Connect the harness to the T3 temperature sensor, the High Pressure Turbine (HPT) case temperature sensors, the T5 sensor and the T495 temperature sensor as follows:
1 Engage the connector in the related receptacle, and turn knurled coupling ring by hand until full engagement.
2 Tighten the coupling ring with PLIERS - JAWED, SOFT.
3 Make sure that the connector is fully engaged and does not move.
4 If necessary, do the above steps again.
END OF PRE CFM SB 73-036
POST CFM SB 73-036
5 Connect the harness to the T3 temperature sensor, the HPT case temperature sensors, the T5 sensor and the T495 temperature sensor as follows:
6 Engage the connector in the related receptacle, and turn the knurled coupling ring by hand until full engagement.
7 TORQUE the connector nuts to between 178 and 133 lbf.in (2.01 and 1.50 m.daN )
. 8 Safetywire the nuts of the CJ13 harness connectors with
END OF POST CFM SB 73-036
(6) Install 4 loop clamps on the harness between the main harness junction box and the T3 sensor connector as follows: Attach to the brackets with bolts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand.
(a) Clamp (47) with bolt (48) and nut (46) (detail F).
PRE CFM SB 72-019
(b) Clamp (50) with bolt (49) and nut (51) (detail G, configuration 1).
END OF PRE CFM SB 72-019
POST CFM SB 72-019
(c) Clamp (50) with bolt (49) (detail G, configuration 2).
END OF POST CFM SB 72-019
(d) Clamp (56) with bolt (55) (detail H).
(e) Clamp (53) with bolt (52) and nut (54) (detail S).
PRE CFM SB 73-0129
(7) Install 4 loop clamps on the harness between the main harness junction box, T495 sensor connector and the Higth Pressure Turbine Active Clearance Control (HPTACC) sensor connector at the 9 o'clock location. Attach to the brackets with bolts and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details J, K, L and M) by hand.
PRE CFM SB 72-169
(a) Clamp (58) with bolt (59) and nut (57) (detail J).
END OF PRE CFM SB 72-169
POST CFM SB 72-169
(b) Clamp (58) with spacer, bolt (59) and nut (57) (detail J).
END OF POST CFM SB 72-169
(c) Clamp (60) with bolt (61) (detail K).
(d) Clamp (63) with bolt (62) (detail L).
(e) Clamp (66) with spacer (64) and bolt (65) (detail M, configuration 2).
POST CFM SB 72-060 or POST CFM SB 72-065
(f) Clamp (66) with bolt (65) (detail M, configuration 3).
END OF POST CFM SB 72-060 or POST CFM SB 72-065
END OF PRE CFM SB 73-0129
POST CFM SB 73-0129
(8) Install 3 loop clamps on the harness between the main harness junction box and T495 sensor connector at the 9 o'clock location. Attach to the brackets with bolts and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details J, L and M) by hand.
PRE CFM SB 72-169
(a) Clamp (58) with bolt (59) and nut (57) (detail J).
END OF PRE CFM SB 72-169
POST CFM SB 72-169
(b) Clamp (58) with spacer, bolt (59) and nut (57) (detail J).
END OF POST CFM SB 72-169
(c) Clamp (63) with bolt (62) (detail L).
(d) Clamp (66) with spacer (64) and bolt (65) (detail M, configuration 2).
POST CFM SB 72-060 or POST CFM SB 72-065
(e) Clamp (66) with bolt (65) (detail M, configuration 3).
END OF POST CFM SB 72-060 or POST CFM SB 72-065
END OF POST CFM SB 73-0129
(9) Install 4 loop clamps on the harness between the main harness junction box, the T5 sensor connector and the HPTACC connector at the 3 o'clock location. Attach to the brackets with bolts, the spacer (68) (detail N) and nuts, the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolts (details N, T, P and Q) by hand.
(10) Install the clamp on the harness between the main harness junction box and the 6 o'clock junction box connector. Attach to the bracket with bolt (80), the threads lubricated with graphite grease (Material No.CP2101) . Tighten the bolt (detail R) by hand.
(11) Make sure that the harness is not stressed, and TORQUE the bolts as follows:
(a) TORQUE the bolts which attach the 4 junction boxes to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
. (b) TORQUE the nut (40) which attaches the connector to the 6 o'clock junction box to between 100 and 90 lbf.in (1.13 and 1.02 m.daN )
, and safety with NOTE: During the torquing of nut (40), hold and keep harness elbow as near as (no nearer than 0.12 in. (3 mm)) to the aft sump oil scavenge tube, to prevent contact with further equipment installation.
(c) TORQUE the bolts which attach the clamps to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ) . (d) Connect the J13 harness into the 6 o'clock junction box.
B. Remove the WARNING NOTICE(S).
Subtask 73-21-50-861-054-A ** ON A/C NOT FOR ALL Subtask 73-21-50-710-054-A ** ON A/C NOT FOR ALL 5. Close-upSubtask 73-21-50-862-054-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-054-A ** ON A/C NOT FOR ALL
B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR
Subtask 73-21-50-440-054-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-069-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the thrust reverser cowl doors (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
451AL 452AR
(b) FOR [1000EM2] (ENGINE-2)
461AL 462AR