DOC AIRBUS | AMM A320FInstallation of the ECU (Channel B) Harness [CFMB]
TASK 71-51-43-400-047-A
Installation of the ECU (Channel B) Harness
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 71-51-43-860-065-A ** ON A/C NOT FOR ALL
4. Procedure
Subtask 71-51-43-420-057-A ** ON A/C NOT FOR ALL
Subtask 71-51-43-860-067-A ** ON A/C NOT FOR ALL Subtask 71-51-43-862-054-A ** ON A/C NOT FOR ALL Subtask 71-51-43-410-057-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 07:30:19 UTC
Installation of the ECU (Channel B) Harness
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.
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2739) | tape |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 22-97-00-710-001-A | Operational Test of the LAND CAT III Capability |
| 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 31-60-00-860-001-A | EIS Start Procedure |
| TASK 31-60-00-860-002-A | EIS Stop Procedure |
| TASK 34-10-00-860-004-A | Inertial Reference (IR) Alignment-Procedure |
| TASK 34-10-00-860-004-A-01 | Automatic Inertial Reference (IR) Alignment-Procedure |
| TASK 34-10-00-860-004-A-02 | Inertial Reference (IR) Alignment-Procedure to do a Check of the Links between each Flight Management and Guidance Computer (FMGC) and the three Air Data/Inertial Reference Units (ADIRUs) |
| TASK 70-60-00-910-041-A | Nacelle Maintenance Practices |
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
| TASK 73-21-60-720-040-B | Functional Test of the Electronic Control Unit (ECU) |
Subtask 71-51-43-860-065-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).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
Subtask 71-51-43-010-071-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).
(3) Make sure that the ACCESS PLATFORM 1M(3 FT) is in position.
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.
Subtask 71-51-43-865-072-A ** ON A/C NOT FOR ALL (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.
WARNING:
OPEN THE PROBE HEATER CIRCUIT-BREAKERS 1DA1(2), 3DA1(2,3), 4DA1(2,3) AND 5DA1(2,3) BEFORE ENG1(2)FADEC A and EIU 1(2) C/B'S 2KS1 AND 2KS2. IF YOU DO NOT OBEY THIS SEQUENCE:
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:- THE PROBES WILL BECOME TOO HOT.
- THIS CAN CAUSE DAMAGE TO EQUIPMENT AND INJURY TO MAINTENANCE PERSONNEL.
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| 49VU | COM/CVR/CTL | 4RK | E13 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | ENGINE/1 AND 2/IGN/SYS A | 1JH | A03 |
| 49VU | ANTI ICE/PROBES/AOA/1 | 4DA1 | D04 |
| 49VU | ANTI ICE/PROBES/PITOT/1 | 3DA1 | D02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | ANTI ICE/RAIN/RPLNT/CAPT | 1DB1 | D01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
| 49VU | COM/CVR/CTL | 26RK | E13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RCDR/DFDR | 7TU | K16 |
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| 122VU | ANTI ICE/WINDOWS/R | 4DG2 | W14 |
| 122VU | ANTI ICE/WINDOWS/L | 4DG1 | X14 |
| 122VU | ANTI ICE/PROBES/2/PITOT | 3DA2 | Y14 |
| 122VU | ANTI ICE/PROBES/2/AOA | 4DA2 | Y13 |
| 122VU | ANTI ICE/PROBES/2/STATIC | 5DA2 | Y11 |
| 122VU | ANTI ICE/PROBES/3/PITOT | 3DA3 | Z16 |
| 122VU | ANTI ICE/PROBES/3/AOA | 4DA3 | Z15 |
| 122VU | ANTI ICE/PROBES/3/STATIC | 5DA3 | Z14 |
| 122VU | ANTI ICE/PROBES/1/STATIC | 5DA1 | Z13 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | ANTI ICE/RAIN/RPLNT/F/O | 1DB2 | W11 |
| ** ON A/C NOT FOR ALL | |||
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | ENGINE/1/FIRE DET/LOOP A | 7WD1 | A06 |
| 49VU | ENGINE/1/FADEC A/AND EIU 1 | 2KS1 | A04 |
| 121VU | ENGINE/IGN/ENG1/SYS B | 3JH1 | P41 |
| 121VU | ENGINE/IGN/ENG1/SYS A BAT | 2JH1 | P39 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B | 2WE1 | Q44 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A | 1WE1 | Q43 |
| 121VU | ENGINE/ENG1/FIRE DET/LOOP B | 8WD1 | Q38 |
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R41 |
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | ENGINE/2/FIRE DET/LOOP B | 8WD2 | A07 |
| 49VU | ENGINE/2/FADEC A/AND EIU 2 | 2KS2 | A05 |
| 121VU | ENGINE/IGN/ENG2/SYS B | 3JH2 | P42 |
| 121VU | ENGINE/IGN/ENG2/SYS A BAT | 2JH2 | P40 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B | 2WE2 | Q42 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A | 1WE2 | Q41 |
| 121VU | ENGINE/ENG2/FADEC B | 4KS2 | Q40 |
| 121VU | ENGINE/ENG2/FIRE DET/LOOP A | 7WD2 | Q39 |
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
Subtask 71-51-43-420-057-A ** ON A/C NOT FOR ALL
A. Installation of the Electronic Control Unit (ECU) (Channel B) Harness
(2) Put the electrical harness (5) in position on the engine.
(3) Connect electrical connectors 403VC-A and 407VC-A to the pylon junction box.
ECU Channel B Harness - Upper Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Upper Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(4) Connect electrical connector 4003VC-A to the junction box.
(5) Put the harness (5) into the flip-lock clamps (10) and (15).
(6) Put the harness (5) into the rubber supports of the line blocks.
BEFORE SPIB NO. CFM02255MW1
(7) If removed, put the rubber supports in the line blocks (20) and (25) attached to the brackets at station 167.
(8) If removed, put the rubber supports in the line block (30) attached to the bracket at station 174.
(9) If removed, put the rubber supports in the line block (35) attached to the brackets at stations 176, 185 and 191.
(10) Make sure that the harness (5) is correctly installed on the engine.
(11) Close the line blocks (20), (25), (30) and (35) and tighten the captive bolts.
(12) Tighten the captive screws on the flip-lock clamps (10) and (15).
(13) Put the clamps (50) on the harness (5). Attach the clamps to the brackets at station 199 with the bolts (40) and the nuts (45).
(14) TORQUE the nuts (45) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
.
(15) Put the harness (5) into the rubber supports of the line blocks (25) and (65).
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(16) If removed, put the rubber supports in the line blocks (25) and (65) attached to the brackets at station 167.
(17) Make sure that the harness (5) is correctly installed on the engine.
(18) Close the line blocks (25) and (65) and tighten the captive bolts.
CONFIG-1
(19) Put the harness (5) into the flip-lock clamp (55) near the ignition exciters and tighten the captive bolt.
END OF CONFIG-1
CONFIG-2
(20) Put the harness (5) into the flip-lock clamp (60) near the ignition exciters and tighten the captive bolt.
END OF CONFIG-2
(21) Connect electrical connector 4000JH2-A to ignition exciter B.
(22) Connect electrical connectors 4000KS-J2 and 4000KS-J4 to the ECU.
(24) Put the harness (5) into the flip-lock clamp (80) that is attached to the bracket at station 191.
(25) Put the harness (5) into the two flip-lock clamps (55) that are attached to the brackets at station 191.
AFTER SPIB NO. CFM02255MW1
ECU Channel B Harness - Upper Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Upper Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(26) Make sure that the harness (5) is correctly installed on the engine.
(27) Install the clamps and bolts (22) that attach the harness (5) to the brackets at station 167.
(28) Install the clamps, bolt and anti-rotation lug (23) that attach the harness (5) to the brackets at station 167.
(29) Install the clamps, bolt and anti-rotation lug (27) that attach the harness (5) to the brackets at station 167.
(30) Install the clamps and bolt (32) that attach the harness (5) to the brackets at station 174.
(31) Install the clamps, bolts and anti-rotation lugs (37) that attach the harness (5) to the brackets at station 176, 185 and 191.
(32) Tighten the captive screws on the flip-lock clamps (10) and (15).
(33) Put the clamps (50) on the harness (5). Attach the clamps to the brackets at station 199 with the bolts (40) and the nuts (45).
(34) TORQUE the nuts (45) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN ).
(35) Put the harness (5) into the rubber supports of the line block (25).
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(36) Install the clamps and bolt (28) that attach the harness (5) to the bracket.
(37) Install the clamps and bolt (67) that attach the harness (5) to the bracket.
(38) Install the clamps, bolt and anti-rotation lug (68) that attach the harness (5) to the bracket.
(39) Install the clamp, bolt and anti-rotation lug (57) near ignition exciter B.
(40) Connect electrical connector 4000JH2-A to ignition exciter B.
(41) Connect electrical connectors 4000KS-J2 and 4000KS-J4 to the ECU.
(43) Install the clamp and bolt (82) that attach the harness (5) to the bracket at station 191.
(44) Put the harness (5) into the flip-lock clamp (55) attached to the bracket at station 191.
(45) Install the clamp and bolt (57) that attach the harness (5) to the brackets at station 191.
(46) TORQUE the bolts (22), (23), (27), (28), (32), (37), (57), (62), (67), (68) and (82) to between 30 and 25 lbf.in (0.34 and 0.28 m.daN ).
END OF SPIB NO. CFM02255MW1
(47) Connect electrical connector 4000EV-C to the fan speed sensor (N1).
PRE SB RA32171-6
(48) Put the harness (5) into the flip-lock clamp (55) that is attached to the bracket at station 185.
POST SB RA32171-6
(49) Put the clamp (50) on the harness (5). Use the bolt (40) to attach the clamp (50) to the bracket at station 185.
(50) TORQUE the bolt (40) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN ).
END OF SB RA32171-6
(50) Put the two clamps (50) on the harness (5). Attach the clamps (50) to the starter bracket with the bolts (70) and nuts (75).
(51) Put the clamp (50) on the harness (5). Use the bolt (40) and nut (45) to attach the clamp to the gearbox bracket.
(52) Put the clamp (50) on the harness (5). Use the bolt (85) and nut (90) to attach the clamp (50) and the fire detector clamp to the gearbox bracket.
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(Detail C)
(53) TORQUE the nuts (45), (80) and (90) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN ).
(54) Connect electrical connector 4001EV-C to the gas generator speed sensor (N2).
(55) Tighten the captive screws on the flip-lock clamps.
(56) Examine the harness installation and make sure that all the flip-lock clamps, line blocks and clamps are installed correctly.
POST SB RA32071-132
(57) Apply the tape.
1 Wind the tape so that each wind overlaps the last wind by half the width of the tape.
END OF SB RA32071-132
Subtask 71-51-43-865-073-A ** ON A/C NOT FOR ALL NOTE: For the recommended procedure for the installation of the wire harness (Ref. AMM TASK 70-60-00-910-041).
NOTE: To tighten the flip-lock clamps and line blocks, turn the captive screws or captive bolts 1/4 turn clockwise to engage the cam nuts.
(1) Remove the COVER - PROTECTION protective covers from the electrical connectors. (2) Put the electrical harness (5) in position on the engine.
(3) Connect electrical connectors 403VC-A and 407VC-A to the pylon junction box.
ECU Channel B Harness - Upper Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Upper Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (5) Put the harness (5) into the flip-lock clamps (10) and (15).
(6) Put the harness (5) into the rubber supports of the line blocks.
BEFORE SPIB NO. CFM02255MW1
(7) If removed, put the rubber supports in the line blocks (20) and (25) attached to the brackets at station 167.
(8) If removed, put the rubber supports in the line block (30) attached to the bracket at station 174.
(9) If removed, put the rubber supports in the line block (35) attached to the brackets at stations 176, 185 and 191.
(10) Make sure that the harness (5) is correctly installed on the engine.
(11) Close the line blocks (20), (25), (30) and (35) and tighten the captive bolts.
(12) Tighten the captive screws on the flip-lock clamps (10) and (15).
(13) Put the clamps (50) on the harness (5). Attach the clamps to the brackets at station 199 with the bolts (40) and the nuts (45).
(14) TORQUE the nuts (45) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. (15) Put the harness (5) into the rubber supports of the line blocks (25) and (65).
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (17) Make sure that the harness (5) is correctly installed on the engine.
(18) Close the line blocks (25) and (65) and tighten the captive bolts.
CONFIG-1
(19) Put the harness (5) into the flip-lock clamp (55) near the ignition exciters and tighten the captive bolt.
END OF CONFIG-1
CONFIG-2
(20) Put the harness (5) into the flip-lock clamp (60) near the ignition exciters and tighten the captive bolt.
END OF CONFIG-2
(21) Connect electrical connector 4000JH2-A to ignition exciter B.
(22) Connect electrical connectors 4000KS-J2 and 4000KS-J4 to the ECU.
NOTE: The wire harnesses for connectors 4000KS-J4 and 4000KS-J6 may touch as shown on
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(Detail B)
(23) Put the harness (5) into the two flip-lock clamps (60) that are attached to the brackets at station 191. ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (24) Put the harness (5) into the flip-lock clamp (80) that is attached to the bracket at station 191.
(25) Put the harness (5) into the two flip-lock clamps (55) that are attached to the brackets at station 191.
AFTER SPIB NO. CFM02255MW1
ECU Channel B Harness - Upper Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Upper Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (26) Make sure that the harness (5) is correctly installed on the engine.
(27) Install the clamps and bolts (22) that attach the harness (5) to the brackets at station 167.
(28) Install the clamps, bolt and anti-rotation lug (23) that attach the harness (5) to the brackets at station 167.
(29) Install the clamps, bolt and anti-rotation lug (27) that attach the harness (5) to the brackets at station 167.
(30) Install the clamps and bolt (32) that attach the harness (5) to the brackets at station 174.
(31) Install the clamps, bolts and anti-rotation lugs (37) that attach the harness (5) to the brackets at station 176, 185 and 191.
(32) Tighten the captive screws on the flip-lock clamps (10) and (15).
(33) Put the clamps (50) on the harness (5). Attach the clamps to the brackets at station 199 with the bolts (40) and the nuts (45).
(34) TORQUE the nuts (45) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. (35) Put the harness (5) into the rubber supports of the line block (25).
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (37) Install the clamps and bolt (67) that attach the harness (5) to the bracket.
(38) Install the clamps, bolt and anti-rotation lug (68) that attach the harness (5) to the bracket.
(39) Install the clamp, bolt and anti-rotation lug (57) near ignition exciter B.
(40) Connect electrical connector 4000JH2-A to ignition exciter B.
(41) Connect electrical connectors 4000KS-J2 and 4000KS-J4 to the ECU.
NOTE: The wire harness for connectors 4000KS-J4 and 4000KS-J6 may touch as shown on
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL
ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL
(Detail B)
(42) Install the clamps and bolts (62) that attach the harness (5) to the brackets at station 191. ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (43) Install the clamp and bolt (82) that attach the harness (5) to the bracket at station 191.
(44) Put the harness (5) into the flip-lock clamp (55) attached to the bracket at station 191.
(45) Install the clamp and bolt (57) that attach the harness (5) to the brackets at station 191.
(46) TORQUE the bolts (22), (23), (27), (28), (32), (37), (57), (62), (67), (68) and (82) to between 30 and 25 lbf.in (0.34 and 0.28 m.daN )
. END OF SPIB NO. CFM02255MW1
(47) Connect electrical connector 4000EV-C to the fan speed sensor (N1).
PRE SB RA32171-6
(48) Put the harness (5) into the flip-lock clamp (55) that is attached to the bracket at station 185.
POST SB RA32171-6
(49) Put the clamp (50) on the harness (5). Use the bolt (40) to attach the clamp (50) to the bracket at station 185.
(50) TORQUE the bolt (40) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. END OF SB RA32171-6
(50) Put the two clamps (50) on the harness (5). Attach the clamps (50) to the starter bracket with the bolts (70) and nuts (75).
(51) Put the clamp (50) on the harness (5). Use the bolt (40) and nut (45) to attach the clamp to the gearbox bracket.
(52) Put the clamp (50) on the harness (5). Use the bolt (85) and nut (90) to attach the clamp (50) and the fire detector clamp to the gearbox bracket.
ECU Channel B Harness - Lower Right Fan Zone (PRE SB RA32071-132) ** ON A/C NOT FOR ALL ECU Channel B Harness - Lower Right Fan Zone (POST SB RA32071-132) ** ON A/C NOT FOR ALL (53) TORQUE the nuts (45), (80) and (90) to between 25 and 20 lbf.in (0.28 and 0.23 m.daN )
. (54) Connect electrical connector 4001EV-C to the gas generator speed sensor (N2).
(55) Tighten the captive screws on the flip-lock clamps.
(56) Examine the harness installation and make sure that all the flip-lock clamps, line blocks and clamps are installed correctly.
POST SB RA32071-132
(57) Apply the tape.
CAUTION:
YOU MUST WIND THE TWO HARNESSES WITH TAPE (CP 2739) IF THEY TOUCH. IF YOU DO NOT WIND THE HARNESSES WITH TAPE IT CAN DAMAGE THE HARNESSES.
(a) Wind the tape (Material No.CP2739) on the two harnesses in the areas shown. 1 Wind the tape so that each wind overlaps the last wind by half the width of the tape.
END OF SB RA32071-132
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 71-51-43-861-054-A ** ON A/C NOT FOR ALL Subtask 71-51-43-860-066-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 2RK | E14 |
| 49VU | COM/CVR/CTL | 4RK | E13 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | ENGINE/1 AND 2/IGN/SYS A | 1JH | A03 |
| 49VU | ANTI ICE/PROBES/AOA/1 | 4DA1 | D04 |
| 49VU | ANTI ICE/PROBES/PITOT/1 | 3DA1 | D02 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | ANTI ICE/RAIN/RPLNT/CAPT | 1DB1 | D01 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | COM/CVR/SPLY | 23RK | E14 |
| 49VU | COM/CVR/CTL | 26RK | E13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | RCDR/DFDR | 7TU | K16 |
| 121VU | HYDRAULIC/HYD POWER/Y | 3803GX | N30 |
| 122VU | ANTI ICE/WINDOWS/R | 4DG2 | W14 |
| 122VU | ANTI ICE/WINDOWS/L | 4DG1 | X14 |
| 122VU | ANTI ICE/PROBES/2/PITOT | 3DA2 | Y14 |
| 122VU | ANTI ICE/PROBES/2/AOA | 4DA2 | Y13 |
| 122VU | ANTI ICE/PROBES/2/STATIC | 5DA2 | Y11 |
| 122VU | ANTI ICE/PROBES/3/PITOT | 3DA3 | Z16 |
| 122VU | ANTI ICE/PROBES/3/AOA | 4DA3 | Z15 |
| 122VU | ANTI ICE/PROBES/3/STATIC | 5DA3 | Z14 |
| 122VU | ANTI ICE/PROBES/1/STATIC | 5DA1 | Z13 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | ANTI ICE/RAIN/RPLNT/F/O | 1DB2 | W11 |
| ** ON A/C NOT FOR ALL | |||
| 123VU | Y HYD/ELEC/PUMP | 3802GX | AB06 |
| 123VU | Y HYD/ELEC/ELEC PUMP/NORM | 3801GX | AB03 |
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | ENGINE/1/FIRE DET/LOOP A | 7WD1 | A06 |
| 49VU | ENGINE/1/FADEC A/AND EIU 1 | 2KS1 | A04 |
| 121VU | ENGINE/IGN/ENG1/SYS B | 3JH1 | P41 |
| 121VU | ENGINE/IGN/ENG1/SYS A BAT | 2JH1 | P39 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B | 2WE1 | Q44 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A | 1WE1 | Q43 |
| 121VU | ENGINE/ENG1/FIRE DET/LOOP B | 8WD1 | Q38 |
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R41 |
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | ENGINE/2/FIRE DET/LOOP B | 8WD2 | A07 |
| 49VU | ENGINE/2/FADEC A/AND EIU 2 | 2KS2 | A05 |
| 121VU | ENGINE/IGN/ENG2/SYS B | 3JH2 | P42 |
| 121VU | ENGINE/IGN/ENG2/SYS A BAT | 2JH2 | P40 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B | 2WE2 | Q42 |
| 121VU | ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A | 1WE2 | Q41 |
| 121VU | ENGINE/ENG2/FADEC B | 4KS2 | Q40 |
| 121VU | ENGINE/ENG2/FIRE DET/LOOP A | 7WD2 | Q39 |
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
D. Do the EIS start procedure (for the lower display of the ECAM system only). (Ref. AMM TASK 31-60-00-860-001).
Subtask 71-51-43-720-051-A ** ON A/C NOT FOR ALL Subtask 71-51-43-710-066-A ** ON A/C NOT FOR ALL F. If you operate the aircraft in actual CAT III conditions, do these tests:
5. Close-up- Make sure that there is no CAT 3 DUAL INOP message on the lower ECAM DU of the maintenance panel 50VU with FADEC GND PWR 1 & 2 pushbutton switches pushed (ON legends on) and 3 IR'S aligned (Ref. AMM TASK 34-10-00-860-004)
- Do the operational test of the LAND CAT III Capability (Ref. AMM TASK 22-97-00-710-001).
Subtask 71-51-43-860-067-A ** ON A/C NOT FOR ALL Subtask 71-51-43-862-054-A ** ON A/C NOT FOR ALL Subtask 71-51-43-410-057-A ** ON A/C NOT FOR ALL
C. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL, 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL, 448AR.
(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 fan cowl doors (Ref. AMM TASK 71-13-00-410-040):
(a) FOR [1000EM1] (ENGINE-1)
437AL, 438AR
(b) FOR [1000EM2] (ENGINE-2)
447AL, 448AR.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).