DOC AIRBUS | AMM A320FInstallation of the IDG-EDP-MON Harness [PW11]
TASK 71-51-40-400-801-A
Installation of the IDG-EDP-MON 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 71-51-40-941-051-A ** ON A/C NOT FOR ALL
Subtask 71-51-40-010-052-A ** ON A/C NOT FOR ALL
Subtask 71-51-40-865-054-A ** ON A/C NOT FOR ALL
Subtask 71-51-40-865-055-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:33:21 UTC
Installation of the IDG-EDP-MON 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:
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 USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 400
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.PU1-0028) | tape, tying |
| (Material No.PU1-0049) | tape |
| (Material No.PU1-0052) | tape |
| (Material No.PU1-0052A) | tape |
| (Material No.PU1-0092) | lacing tape |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1) | |
| 437AL, 438AR, 451AL, 452AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2) | |
| 447AL, 448AR, 461AL, 462AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-21-00-710-803-A | Operational Test of the IDG Disconnect and Reconnect Function - Engine Static |
| TASK 24-21-00-710-803-A-01 | Operational Test of the IDG Disconnect and Reconnect Function - Engine in Operation |
| TASK 29-10-00-710-004-A | Operational Check of EDP Depressurization |
| TASK 71-00-00-860-832-A | Procedure to Prevent Engine Motoring and to Stop the Electrical Supply to the EEC |
| TASK 71-13-00-010-802-A | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-802-A | Closing of the Fan Cowl Doors |
| TASK 73-25-34-400-802-A | Installation of the Engine Interface Unit (EIU) |
| TASK 73-25-34-710-802-A | Operational Test of the Engine Interface Unit (EIU) with the Centralized Fault Display System (CFDS) |
| TASK 78-30-00-040-805-A | Deactivation of the Thrust Reverser System for Ground Maintenance |
| TASK 78-30-00-440-805-A | Reactivation of the Thrust Reverser System after Ground Maintenance |
| TASK 78-36-00-010-802-A | Opening of the Thrust Reverser Cowl-Doors |
| TASK 78-36-00-410-802-A | Closing of the Thrust Reverser Cowl-Doors |
IDG-EDP-MON HarnessSubtask 71-51-40-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(1) Make sure that you did the procedure to prevent engine motoring and to stop the electrical supply to the Electronic Engine Control (EEC)
(Ref. AMM TASK 71-00-00-860-832).
Subtask 71-51-40-865-052-A ** ON A/C NOT FOR ALL (1) Make sure that you did the procedure to prevent engine motoring and to stop the electrical supply to the Electronic Engine Control (EEC)
(Ref. AMM TASK 71-00-00-860-832).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 71-51-40-865-053-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | ANTI ICE/PROBES/AOA/1 | 4DA1 | D04 |
| 49VU | ANTI ICE/PROBES/PITOT/1 | 3DA1 | D02 |
| 122VU | ANTI ICE/PROBES/2/TAT | 1DA2 | Y15 |
| 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 |
| 122VU | ANTI ICE/PROBES/1/TAT | 1DA1 | Z12 |
| FOR FIN: 1KS1 (EIU1) | |||
| 49VU | ENGINE/1/FADEC A/AND EIU 1 | 2KS1 | A04 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R41 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R40 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1KS2 (EIU2) | |||
| 49VU | ENGINE/2/FADEC A/AND EIU 2 | 2KS2 | A05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/FADEC B/AND EIU2 | 4KS2 | Q40 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/FADEC B/AND EIU2 | 4KS2 | R41 |
WARNING:
MAKE SURE THAT THE PROBE HEATER AND WINDOW HEATER CIRCUIT-BREAKERS ARE OPEN BEFORE YOU OPEN THE PHC AND WHC CIRCUIT BREAKERS. 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 INJURY TO MAINTENANCE PERSONNEL AND/OR DAMAGE TO EQUIPMENT.
| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | ANTI ICE/PROBES/PHC/1 | 2DA1 | D03 |
| 122VU | ANTI ICE/WHC/2 | 5DG2 | W13 |
| 122VU | ANTI ICE/WHC/1 | 5DG1 | X13 |
| 122VU | ANTI ICE/PROBES/PHC/3 | 2DA3 | Y16 |
| 122VU | ANTI ICE/PROBES/PHC/2 | 2DA2 | Y12 |
| FOR FIN: 4000XU1 (IDGENG 1) | |||
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| 122VU | ELEC/IDG1/DISC | 1XT | T24 |
| FOR FIN: 4000XU2 (IDGENG 2) | |||
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
| 122VU | ELEC/IDG2/DISC | 2XT | T25 |
| FOR FIN: 1030GK (PUMP VARIABLE DTS) | |||
| 49VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | H12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 3030GD (PUMP VARIABLE DTS) | |||
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/MONG | 3700GD | Q37 |
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/CTL | 3701GD | Q36 |
D. Get Access
(1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
Subtask 71-51-40-040-051-A ** ON A/C NOT FOR ALL (1) Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Make sure that the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE is in position.
E. Deactivation of the Thrust Reverser System for Ground Maintenance
Subtask 71-51-40-010-053-A ** ON A/C NOT FOR ALL WARNING:
YOU MUST DEACTIVATE THE THRUST REVERSER BEFORE YOU DO WORK ON OR AROUND IT. IF YOU DO NOT, THE THRUST REVERSER CAN OPERATE ACCIDENTALLY AND CAUSE AN INJURY AND/OR DAMAGE.
(1) Make sure that you did the deactivation of the thrust reverser system for ground maintenance (Ref. AMM TASK 78-30-00-040-805). F. Get Access
(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
4. Procedure(1) Make sure that the thrust reverser cowl-doors are open (Ref. AMM TASK 78-36-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
CAUTION:
WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.
Subtask 71-51-40-420-050-A ** ON A/C NOT FOR ALL A. Installation of the IDG-EDP-MON Harness
(1) Removal of the protection covers:
(2) Examine the tape (Material No.PU1-0052) around the IDG-EDP-MON harness (4) branches to the connectors (401VC-A), (404VC-A) and (405VC-A). If the tape is damaged, remove it.
(a) Make sure that each layer of the tape (Material No.PU1-0052) overlaps a part of a layer you applied before so that you cannot see the bare harness.
(b) Do not attach the branches together with the tape. See view W of the figure:
(b) Put the IDG-EDP-MON harness (4) in the spring clip on the engine duct bracket.
(c) Put the IDG-EDP-MON harness (4) in the spring clip on the LP-ECS duct assembly.
(d) Put the IDG-EDP-MON harness (4) in the two spring clips on the engine duct clamp brackets.
(e) Put the clamp (3) and the two clamps (7) on the IDG-EDP-MON harness (4).
(f) Attach the IDG-EDP-MON harness (4) and the clamp (3) to the electrical heatshield bracket with the bolt (1) and the washer (2).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (3).
a Do not torque the bolt (1) at this time.
(g) Attach the IDG-EDP-MON harness (4) and the two clamps (7) to the electrical heatshield bracket with the two bolts (5) and the two washers (6).
1 Do not torque the bolts (5) at this time.
(h) Put the clamp (10) on the IDG-EDP-MON harness (4).
(i) Attach the IDG-EDP-MON harness (4) and the clamp (10) to the middle support return fuel bracket with the bolt (8) and the washer (9).
1 Do not torque the bolts (8) at this time.
(j) Put the clamp (29) on the IDG-EDP-MON harness (4).
(k) Remove the bolt (26), the two washers (27) and the nut (28) from the Loop-B fire harness and clamp.
(l) Attach the IDG-EDP-MON harness (4) and the clamp (29) to the Loop-B fire harness and clamp.
1 Put the two clamps where there is the least clearance for the harnesses.
2 Use the bolt (26), the two washers (27) and the nut (28).
a Do not torque the nut (28) at this time.
(m) Put the clamp (13) on the IDG-EDP-MON harness (4).
(n) Attach the IDG-EDP-MON harness (4) and the clamp (13) to the lower support upper return fuel bracket with the bolt (11) and the washer (12).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (13).
a Do not torque the bolt (11) at this time.
(o) Put the clamp (16) on the IDG-EDP-MON harness (4).
(p) Attach the IDG-EDP-MON harness (4) and the clamp (16) to the lower support middle return fuel bracket with the bolt (14) and the washer (15).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (16).
a Do not torque the bolt (14) at this time.
(q) Put the clamp (19) on the IDG-EDP-MON harness (4).
(r) Attach the IDG-EDP-MON harness (4) and the clamp (19) to the PW bracket with the bolt (17) and the washer (18).
1 Do not torque the bolt (17) at this time.
(s) Put the clamp (33) on the IDG-EDP-MON harness (4).
(t) Remove the bolt (30), the two washers (31) and the nut (32) from the Loop-A fire harness and clamp.
(u) Attach the IDG-EDP-MON harness (4) and the clamp (33) to the Loop-A fire harness and clamp.
1 Put the two clamps where there is the least clearance for the harnesses.
2 Use the bolt (30), the two washers (31) and the nut (32).
a Do not torque the nut (32) at this time.
(v) Put the clamp (37) on the IDG-EDP-MON harness (4).
(w) Remove the bolt (34), the two washers (35) and the nut (36) from the ECS and PW harnesses and the two clamps.
(x) Attach the IDG-EDP-MON harness (4) and the clamp (37) to the ECS and PW harnesses and the two clamps.
1 Put the three clamps where there is the least clearance for the harnesses.
2 Use the bolt (34), the two washers (35) and the nut (36).
a Do not torque the nut (36) at this time.
(y) Put the clamp (22) on the IDG-EDP-MON harness (4).
(z) Attach the IDG-EDP-MON harness (4) and the clamp (22) to the AOC support return fuel bracket with the bolt (20) and the washer (21).
1 Do not torque the bolt (20) at this time.
(aa) Put the clamp (38) on the IDG-EDP-MON harness (4).
(ab) Hold the bottom of the bolt under the electrical heatshield bracket so that it will not fall through the hole.
1 Remove the nut and the washer that attach the bolt and other hardware to the electrical heatshield bracket.
(ac) Attach the IDG-EDP-MON harness (4) and the clamp (38) to the electrical heatshield bracket with the existing bolt, washer and nut.
1 Do not torque the existing nut at this time
(ad) Put the clamp (25) on the IDG-EDP-MON harness (4).
(ae) Attach the IDG-EDP-MON harness (4) and the clamp (25) to the engine duct bracket.
1 Use the bolt (23) and the washer (24).
2 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (25).
a Do not torque the bolt (23) at this time.
(af) Put the clamp (41) on the IDG-EDP-MON harness (4).
(ag) Attach the IDG-EDP-MON harness (4) and the clamp (41) to the engine duct bracket with the bolt (39) and the washer (40).
1 Do not torque the bolt (39) at this time.
(ah) Connect the IDG-EDP-MON harness (4) connectors (401VC-A), (405VC-A) and (404VC-A) to the pylon interface.
1 Turn the connectors finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(ai) Connect the IDG-EDP-MON harness (4) connector (3030GD-A) to the engine driven pump.
1 Turn the connector finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(aj) Connect the IDG-EDP-MON harness (4) connector (4080KS-A) to the low oil pump switch.
1 Turn the connector finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(ak) Connect the IDG-EDP-MON harness (4) connectors (4000XU-C), (4000XU-A) and (4000XU-B) to the Integrated Drive Generator (IDG).
1 Turn the connectors finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(al) Adjust the IDG-EDP-MON harness (4) to keep the preload to a minimum. Make sure that there are no kinks in the IDG-EDP-MON harness (4).
(am) CONFIGURATION 1
1 Put the clamp (44) on the branch of the IDG-EDP-MON harness (4) to connector (4000XU-B).
2 Put the clamp (45) on the branch of the IDG-EDP-MON harness (4) to connector (4000XU-A).
3 Put the two clamps (44) and (45) where they will maximize the clearance between the harnesses and other parts.
(an) CONFIGURATION 1
1 Attach the clamp (44) to the clamp (45) with the bolt (46), the two washers (43) and the nut (42).
2 Put one washer (43) adjacent to the head of the bolt (46).
3 Put the other washer (43) adjacent to the nut (42).
(ao) CONFIGURATION 1
TORQUE the nut (42) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.
(ap) Tighten the bolts and the nuts:
1 TORQUE the bolts (1), (5), (8), (11), (14), (17), (20), (23) and (39) to between 35 and 31.5 lbf.in (0.40 and 0.36 m.daN ).
2 TORQUE the nuts (28), (32) and (36) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN ).
3 TORQUE the existing nut on the electrical heatshield bracket to between 35 and 30 lbf.in (0.40 and 0.34 m.daN ).
(5) Attach together the three branches of the IDG-EDP-MON harness (4) with the connectors (401VC-A), (404VC-A) and (405VC-A) to prevent chaffing.
(a) Use thePU1-0028 tape, tying
(b) Attach the harness branches together near the point where the branches divide from each other.
(c) Also attach the harness branches together near the pylon connections. See view W of the figure:
5. Close-up(1) Removal of the protection covers:
CAUTION:
REMOVE THE PROTECTION COVERS FROM THE OPENINGS AS NECESSARY TO PREVENT ENGINE DAMAGE.
(a) Make sure that you remove all the necessary COVER - PROTECTION to prevent damage to the engine. (2) Examine the tape (Material No.PU1-0052) around the IDG-EDP-MON harness (4) branches to the connectors (401VC-A), (404VC-A) and (405VC-A). If the tape is damaged, remove it.
NOTE: Step 4.A.(2) is not necessary if there is no damage to the tape or if there is no tape on the harness.
(3) If necessary, wind the tape (Material No.PU1-0052) around each of the IDG-EDP-MON harness (4) branches to the connectors (401VC-A), (404VC-A) and (405VC-A) to prevent chaffing. (a) Make sure that each layer of the tape (Material No.PU1-0052) overlaps a part of a layer you applied before so that you cannot see the bare harness.
(b) Do not attach the branches together with the tape. See view W of the figure:
NOTE: You can use the tape (Material No.PU1-0052A) as an alternative to the tape (Material No.PU1-0052) .
(4) Install the IDG-EDP-MON harness (4) as follows: CAUTION:
MAKE SURE THAT THE ELECTRICAL CONNECTOR AND RECEPTACLE ARE CLEAN WHEN YOU CONNECT THEM. DIRTY CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.
CAUTION:
USE TEFLON-JAWED PLIERS TO LOOSEN/TIGHTEN ELECTRICAL CONNECTORS. DO NOT USE METAL-JAWED PLIERS. IF YOU DO NOT OBEY THIS INSTRUCTION, DAMAGE TO THE ELECTRICAL CONNECTORS CAN OCCUR.
(a) Put the IDG-EDP-MON harness (4) in the spring clip on the PW bracket. (b) Put the IDG-EDP-MON harness (4) in the spring clip on the engine duct bracket.
(c) Put the IDG-EDP-MON harness (4) in the spring clip on the LP-ECS duct assembly.
(d) Put the IDG-EDP-MON harness (4) in the two spring clips on the engine duct clamp brackets.
(e) Put the clamp (3) and the two clamps (7) on the IDG-EDP-MON harness (4).
(f) Attach the IDG-EDP-MON harness (4) and the clamp (3) to the electrical heatshield bracket with the bolt (1) and the washer (2).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (3).
a Do not torque the bolt (1) at this time.
(g) Attach the IDG-EDP-MON harness (4) and the two clamps (7) to the electrical heatshield bracket with the two bolts (5) and the two washers (6).
1 Do not torque the bolts (5) at this time.
(h) Put the clamp (10) on the IDG-EDP-MON harness (4).
(i) Attach the IDG-EDP-MON harness (4) and the clamp (10) to the middle support return fuel bracket with the bolt (8) and the washer (9).
1 Do not torque the bolts (8) at this time.
(j) Put the clamp (29) on the IDG-EDP-MON harness (4).
(k) Remove the bolt (26), the two washers (27) and the nut (28) from the Loop-B fire harness and clamp.
(l) Attach the IDG-EDP-MON harness (4) and the clamp (29) to the Loop-B fire harness and clamp.
1 Put the two clamps where there is the least clearance for the harnesses.
2 Use the bolt (26), the two washers (27) and the nut (28).
a Do not torque the nut (28) at this time.
(m) Put the clamp (13) on the IDG-EDP-MON harness (4).
(n) Attach the IDG-EDP-MON harness (4) and the clamp (13) to the lower support upper return fuel bracket with the bolt (11) and the washer (12).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (13).
a Do not torque the bolt (11) at this time.
(o) Put the clamp (16) on the IDG-EDP-MON harness (4).
(p) Attach the IDG-EDP-MON harness (4) and the clamp (16) to the lower support middle return fuel bracket with the bolt (14) and the washer (15).
1 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (16).
a Do not torque the bolt (14) at this time.
(q) Put the clamp (19) on the IDG-EDP-MON harness (4).
(r) Attach the IDG-EDP-MON harness (4) and the clamp (19) to the PW bracket with the bolt (17) and the washer (18).
1 Do not torque the bolt (17) at this time.
(s) Put the clamp (33) on the IDG-EDP-MON harness (4).
(t) Remove the bolt (30), the two washers (31) and the nut (32) from the Loop-A fire harness and clamp.
(u) Attach the IDG-EDP-MON harness (4) and the clamp (33) to the Loop-A fire harness and clamp.
1 Put the two clamps where there is the least clearance for the harnesses.
2 Use the bolt (30), the two washers (31) and the nut (32).
a Do not torque the nut (32) at this time.
(v) Put the clamp (37) on the IDG-EDP-MON harness (4).
(w) Remove the bolt (34), the two washers (35) and the nut (36) from the ECS and PW harnesses and the two clamps.
(x) Attach the IDG-EDP-MON harness (4) and the clamp (37) to the ECS and PW harnesses and the two clamps.
1 Put the three clamps where there is the least clearance for the harnesses.
2 Use the bolt (34), the two washers (35) and the nut (36).
a Do not torque the nut (36) at this time.
(y) Put the clamp (22) on the IDG-EDP-MON harness (4).
(z) Attach the IDG-EDP-MON harness (4) and the clamp (22) to the AOC support return fuel bracket with the bolt (20) and the washer (21).
1 Do not torque the bolt (20) at this time.
(aa) Put the clamp (38) on the IDG-EDP-MON harness (4).
(ab) Hold the bottom of the bolt under the electrical heatshield bracket so that it will not fall through the hole.
1 Remove the nut and the washer that attach the bolt and other hardware to the electrical heatshield bracket.
(ac) Attach the IDG-EDP-MON harness (4) and the clamp (38) to the electrical heatshield bracket with the existing bolt, washer and nut.
1 Do not torque the existing nut at this time
(ad) Put the clamp (25) on the IDG-EDP-MON harness (4).
(ae) Attach the IDG-EDP-MON harness (4) and the clamp (25) to the engine duct bracket.
1 Use the bolt (23) and the washer (24).
2 Put the INSTL REF band on the IDG-EDP-MON harness (4) in the center of the clamp (25).
a Do not torque the bolt (23) at this time.
(af) Put the clamp (41) on the IDG-EDP-MON harness (4).
(ag) Attach the IDG-EDP-MON harness (4) and the clamp (41) to the engine duct bracket with the bolt (39) and the washer (40).
1 Do not torque the bolt (39) at this time.
(ah) Connect the IDG-EDP-MON harness (4) connectors (401VC-A), (405VC-A) and (404VC-A) to the pylon interface.
1 Turn the connectors finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(ai) Connect the IDG-EDP-MON harness (4) connector (3030GD-A) to the engine driven pump.
1 Turn the connector finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(aj) Connect the IDG-EDP-MON harness (4) connector (4080KS-A) to the low oil pump switch.
1 Turn the connector finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(ak) Connect the IDG-EDP-MON harness (4) connectors (4000XU-C), (4000XU-A) and (4000XU-B) to the Integrated Drive Generator (IDG).
1 Turn the connectors finger-tight. Turn the connector 1/4 turn more with the PLIERS - CONNECTOR, JAW, SOFT.
(al) Adjust the IDG-EDP-MON harness (4) to keep the preload to a minimum. Make sure that there are no kinks in the IDG-EDP-MON harness (4).
(am) CONFIGURATION 1
1 Put the clamp (44) on the branch of the IDG-EDP-MON harness (4) to connector (4000XU-B).
2 Put the clamp (45) on the branch of the IDG-EDP-MON harness (4) to connector (4000XU-A).
3 Put the two clamps (44) and (45) where they will maximize the clearance between the harnesses and other parts.
(an) CONFIGURATION 1
1 Attach the clamp (44) to the clamp (45) with the bolt (46), the two washers (43) and the nut (42).
2 Put one washer (43) adjacent to the head of the bolt (46).
3 Put the other washer (43) adjacent to the nut (42).
(ao) CONFIGURATION 1
TORQUE the nut (42) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.(ap) Tighten the bolts and the nuts:
1 TORQUE the bolts (1), (5), (8), (11), (14), (17), (20), (23) and (39) to between 35 and 31.5 lbf.in (0.40 and 0.36 m.daN )
.2 TORQUE the nuts (28), (32) and (36) to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.3 TORQUE the existing nut on the electrical heatshield bracket to between 35 and 30 lbf.in (0.40 and 0.34 m.daN )
.(5) Attach together the three branches of the IDG-EDP-MON harness (4) with the connectors (401VC-A), (404VC-A) and (405VC-A) to prevent chaffing.
(a) Use the
(b) Attach the harness branches together near the point where the branches divide from each other.
(c) Also attach the harness branches together near the pylon connections. See view W of the figure:
Subtask 71-51-40-865-054-A ** ON A/C NOT FOR ALL
WARNING:
CLOSE THE PHC AND WHC CIRCUIT BREAKERS BEFORE YOU CLOSE THE PROBE HEATER AND WINDOW HEATER CIRCUIT-BREAKERS. IF YOU DO NOT OBEY THIS SEQUENCE:
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):- 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 | ANTI ICE/PROBES/PHC/1 | 2DA1 | D03 |
| 122VU | ANTI ICE/WHC/2 | 5DG2 | W13 |
| 122VU | ANTI ICE/WHC/1 | 5DG1 | X13 |
| 122VU | ANTI ICE/PROBES/PHC/3 | 2DA3 | Y16 |
| 122VU | ANTI ICE/PROBES/PHC/2 | 2DA2 | Y12 |
| FOR FIN: 4000XU1 (IDGENG 1) | |||
| 122VU | ELEC/GCU/1 | 2XU1 | T26 |
| 122VU | ELEC/IDG1/DISC | 1XT | T24 |
| FOR FIN: 4000XU2 (IDGENG 2) | |||
| 122VU | ELEC/GCU/2 | 2XU2 | T27 |
| 122VU | ELEC/IDG2/DISC | 2XT | T25 |
| FOR FIN: 1030GK (PUMP VARIABLE DTS) | |||
| 49VU | HYDRAULIC/G HYD/PUMP ENG1/CTL | 1701GK | H12 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R34 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | HYDRAULIC/G HYD/PUMP ENG1/MONG | 1702GK | R33 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 3030GD (PUMP VARIABLE DTS) | |||
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/MONG | 3700GD | Q37 |
| 121VU | HYDRAULIC/Y HYD/PUMP ENG2/CTL | 3701GD | Q36 |
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 71-51-40-410-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | ANTI ICE/PROBES/AOA/1 | 4DA1 | D04 |
| 49VU | ANTI ICE/PROBES/PITOT/1 | 3DA1 | D02 |
| 122VU | ANTI ICE/PROBES/2/TAT | 1DA2 | Y15 |
| 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 |
| 122VU | ANTI ICE/PROBES/1/TAT | 1DA1 | Z12 |
| FOR FIN: 1KS1 (EIU1) | |||
| 49VU | ENGINE/1/FADEC A/AND EIU 1 | 2KS1 | A04 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R41 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R40 |
| ** ON A/C NOT FOR ALL | |||
| FOR FIN: 1KS2 (EIU2) | |||
| 49VU | ENGINE/2/FADEC A/AND EIU 2 | 2KS2 | A05 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/FADEC B/AND EIU2 | 4KS2 | Q40 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/FADEC B/AND EIU2 | 4KS2 | R41 |
C. 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 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
Subtask 71-51-40-440-050-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 78-36-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
451AL, 452AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
461AL, 462AR.
D. Do the reactivation of the thrust reverser system after maintenance (Ref. AMM TASK 78-30-00-440-805).
Subtask 71-51-40-410-051-A ** ON A/C NOT FOR ALL E. Close Access
(1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
Subtask 71-51-40-710-050-A ** ON A/C NOT FOR ALL (1) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR.
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
F. Tests
(1) Make sure that all the circuit breakers shown in the paragraph Procedure of the engine interface unit installation are closed. If they are not, close them in the recommended sequence
(Ref. AMM TASK 73-25-34-400-802)
(2) Do the operational test of the IDG disconnect system (Ref. AMM TASK 24-21-00-710-803).
(3) Do the operational test of the Engine Interface Unit (EIU) with the CFDS (Ref. AMM TASK 73-25-34-710-802).
(4) Do the operational test of the EDP depressurization (Ref. AMM TASK 29-10-00-710-004).
(1) Make sure that all the circuit breakers shown in the paragraph Procedure of the engine interface unit installation are closed. If they are not, close them in the recommended sequence
(Ref. AMM TASK 73-25-34-400-802)
(2) Do the operational test of the IDG disconnect system (Ref. AMM TASK 24-21-00-710-803).
(3) Do the operational test of the Engine Interface Unit (EIU) with the CFDS (Ref. AMM TASK 73-25-34-710-802).
(4) Do the operational test of the EDP depressurization (Ref. AMM TASK 29-10-00-710-004).