DOC AIRBUS | AMM A320FInstallation of the CJ11R Harness [CFMI]
TASK 73-21-50-400-002-A
Installation of the CJ11R 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 73-21-50-860-073-A ** ON A/C NOT FOR ALL
Subtask 73-21-50-420-092-A ** ON A/C NOT FOR ALL
Subtask 73-21-50-862-051-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:56:13 UTC
Installation of the CJ11R 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 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR, 452AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR, 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 72-23-00-400-005-A | Installation of the Fan Duct Panels |
| 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 |
CJ11R HarnessSubtask 73-21-50-860-073-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 73-21-50-010-068-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 right thrust reverser door is open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR
Subtask 73-21-50-040-053-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 right thrust reverser door is open (Ref. AMM TASK 78-36-00-010-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR
Subtask 73-21-50-420-092-A ** ON A/C NOT FOR ALL
A. Installation of the CJ11R Harness
(1) Remove the caps from the connectors, and set the harness in position.
(2) Attach the harness junction box to the bracket at the 3 o'clock location on the fan frame center hub, with the 2 bolts (17) threads lightly lubricated with graphite grease (Material No.CP2101) and the nuts (16) (detail H). Tighten the bolts by hand.
PRE SB 72-021
(3) Install the CJ11R receptacle on the 6 o'clock junction box, and attach the receptacle flange with the 2 bolts (27) threads lightly lubricated with graphite grease (Material No.CP2101) and the nuts (26) (detail A). Tighten the bolts by hand.
POST SB 72-021
(4) Install the CJ11R receptacle on the 6 o'clock junction box, and attach the receptacle flange with the 2 bolts (27) threads lightly lubricated with graphite grease (Material No.CP2101) (detail A). Tighten the bolts by hand.
END OF SB 72-021
(5) Connect the electrical connectors:
(b) Connect the J11 harness connector to the CJ11R receptacle on the 6 o'clock junction box, as follows:
1 Engage the connector in the related receptacle, and turn the 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.
PRE SB CFM56-5 75-031
(6) Connect the harness to the Low Pressure Turbine Active Clearance Control (LPTACC) valve position sensor (channel A), the High Pressure Turbine Active Clearance Control (HPTACC) valve position sensor (channel A), the Variable Stator Vane (VSV) position sensor (channel A) and the Rotor Active Clearance Control (RACC) valve position sensor (channel A).
POST SB CFM56-5 75-031
(7) Connect the harness to the Low Pressure Turbine Active Clearance Control (LPTACC) valve position sensor (channel A), the High Pressure Turbine Active Clearance Control (HPTACC) valve position sensor (channel A) and the Variable Stator Vane (VSV) position sensor (channel A).
END OF SB CFM56-5 75-031
(8) Install the loop clamps on the electrical harness and attach the clamps with the bolts, the threads lightly lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand on the items which follow:
(a) The air scoop forward bracket at the 4 o'clock location on the fan frame center hub (detail C).
(b) The bracket at the 3 o'clock location on the core engine (detail D).
PRE SB CFM56-5 75-031
(c) The brackets at the 2 o'clock location on the core engine (details E and F).
POST SB CFM56-5 75-031
(d) Not applicable
END OF SB CFM56-5 75-031
(9) Attach the harness junction box, to the brackets on the air tube at the 2:30 o'clock location (detail G) with bolt (14) and nut (15). Tighten the bolt by hand.
(10) Make sure that the harness is not stressed, and TORQUE the bolts as follows:
(a) TORQUE the bolts (14) and (17) which attach the harness junction boxes to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
.
(11) TORQUE the bolts (27) which attach the receptacle flange to 6 o'clock junction box to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ).
(12) TORQUE the bolt (3) which attach the receptacle flange to the fan frame center hub to between 110 and 100 lbf.in (1.24 and 1.13 m.daN ).
PRE SB CFM56-5 75-031
(13) TORQUE the bolts (4), (8), (9), (11) which attach the clamps to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ).
POST SB CFM56-5 75-031
(14) TORQUE the bolts (4), (8) which attach the clamps to between 51 and 47 lbf.in (0.58 and 0.53 m.daN ).
END OF SB CFM56-5 75-031
(15) Re-install the fan duct panel over the T25 sensor (Ref. AMM TASK 72-23-00-400-005).
Subtask 73-21-50-942-069-A ** ON A/C NOT FOR ALL (1) Remove the caps from the connectors, and set the harness in position.
(2) Attach the harness junction box to the bracket at the 3 o'clock location on the fan frame center hub, with the 2 bolts (17) threads lightly lubricated with graphite grease (Material No.CP2101) and the nuts (16) (detail H). Tighten the bolts by hand.
PRE SB 72-021
(3) Install the CJ11R receptacle on the 6 o'clock junction box, and attach the receptacle flange with the 2 bolts (27) threads lightly lubricated with graphite grease (Material No.CP2101) and the nuts (26) (detail A). Tighten the bolts by hand.
POST SB 72-021
(4) Install the CJ11R receptacle on the 6 o'clock junction box, and attach the receptacle flange with the 2 bolts (27) threads lightly lubricated with graphite grease (Material No.CP2101) (detail A). Tighten the bolts by hand.
END OF SB 72-021
(5) Connect the electrical connectors:
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.
(a) Connect the harness to the T25 temperature sensor. Attach the receptacle flange to the fan frame center hub at the 5 o'clock location with the bolt (3) threads lightly lubicated with graphite grease (Material No.CP2101) (detail B). Tighten the bolt by hand. (b) Connect the J11 harness connector to the CJ11R receptacle on the 6 o'clock junction box, as follows:
1 Engage the connector in the related receptacle, and turn the 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.
PRE SB CFM56-5 75-031
(6) Connect the harness to the Low Pressure Turbine Active Clearance Control (LPTACC) valve position sensor (channel A), the High Pressure Turbine Active Clearance Control (HPTACC) valve position sensor (channel A), the Variable Stator Vane (VSV) position sensor (channel A) and the Rotor Active Clearance Control (RACC) valve position sensor (channel A).
POST SB CFM56-5 75-031
(7) Connect the harness to the Low Pressure Turbine Active Clearance Control (LPTACC) valve position sensor (channel A), the High Pressure Turbine Active Clearance Control (HPTACC) valve position sensor (channel A) and the Variable Stator Vane (VSV) position sensor (channel A).
END OF SB CFM56-5 75-031
(8) Install the loop clamps on the electrical harness and attach the clamps with the bolts, the threads lightly lubricated with graphite grease (Material No.CP2101) . Tighten the bolts by hand on the items which follow:
(a) The air scoop forward bracket at the 4 o'clock location on the fan frame center hub (detail C).
(b) The bracket at the 3 o'clock location on the core engine (detail D).
PRE SB CFM56-5 75-031
(c) The brackets at the 2 o'clock location on the core engine (details E and F).
POST SB CFM56-5 75-031
(d) Not applicable
END OF SB CFM56-5 75-031
(9) Attach the harness junction box, to the brackets on the air tube at the 2:30 o'clock location (detail G) with bolt (14) and nut (15). Tighten the bolt by hand.
(10) Make sure that the harness is not stressed, and TORQUE the bolts as follows:
(a) TORQUE the bolts (14) and (17) which attach the harness junction boxes to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
. (11) TORQUE the bolts (27) which attach the receptacle flange to 6 o'clock junction box to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
. (12) TORQUE the bolt (3) which attach the receptacle flange to the fan frame center hub to between 110 and 100 lbf.in (1.24 and 1.13 m.daN )
. PRE SB CFM56-5 75-031
(13) TORQUE the bolts (4), (8), (9), (11) which attach the clamps to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
. POST SB CFM56-5 75-031
(14) TORQUE the bolts (4), (8) which attach the clamps to between 51 and 47 lbf.in (0.58 and 0.53 m.daN )
. END OF SB CFM56-5 75-031
(15) Re-install the fan duct panel over the T25 sensor (Ref. AMM TASK 72-23-00-400-005).
B. Remove the WARNING NOTICE(S).
Subtask 73-21-50-861-051-A ** ON A/C NOT FOR ALL Subtask 73-21-50-710-051-A ** ON A/C NOT FOR ALL 5. Close-upSubtask 73-21-50-862-051-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-051-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 right thrust reverser door (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR
Subtask 73-21-50-440-051-A ** ON A/C NOT FOR ALL Subtask 73-21-50-410-066-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 right thrust reverser door (Ref. AMM TASK 78-36-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
452AR
(b) FOR [1000EM2] (ENGINE-2)
462AR