DOC AIRBUS | AMM A320FRemoval of the EEC and Ignition Supply Harness [IAE]
TASK 71-51-42-000-010-B
Removal of the EEC and Ignition Supply Harness
This TASK is for V2500-A5 engines.
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 71-51-42-941-051-A ** ON A/C NOT FOR ALL
Subtask 71-51-42-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:30:38 UTC
Removal of the EEC and Ignition Supply Harness
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
ZONE: 400
1. Reason for the JobThis TASK is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | COVER - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| M81969-14-03 | 1 | INSERTION EXTRACTION TOOL |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.V02-147) | lockwire |
| 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 20-11-11-911-001-A | Safetying with Lockwire |
| TASK 30-21-49-000-012-B | Removal of the Anti-ice Duct No. 3 |
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 80-13-49-000-010-B | Removal of the Starter Duct |
EEC and Ignition Supply HarnessSubtask 71-51-42-941-051-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 71-51-42-865-053-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, safety and tag this(these) circuit breaker(s):
Subtask 71-51-42-010-055-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | ENGINE/1 AND 2/IGN/SYS A | 1JH | A03 |
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 121VU | ENGINE/IGN/ENG1/SYS B | 3JH1 | P41 |
| 121VU | ENGINE/IGN/ENG1/SYS A BAT | 2JH1 | P39 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 121VU | ENGINE/IGN/ENG2/SYS B | 3JH2 | P42 |
| 121VU | ENGINE/IGN/ENG2/SYS A BAT | 2JH2 | P40 |
C. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position on the left side and the right side of the engine.
Subtask 71-51-42-010-056-A ** ON A/C NOT FOR ALL (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position on the left side and the right side of the engine.
D. Get Access
(1) Remove the anti-ice duct No. 3 (Ref. AMM TASK 30-21-49-000-012).
(2) Remove the starter duct (Ref. AMM TASK 80-13-49-000-010).
4. Procedure(1) Remove the anti-ice duct No. 3 (Ref. AMM TASK 30-21-49-000-012).
(2) Remove the starter duct (Ref. AMM TASK 80-13-49-000-010).
Subtask 71-51-42-020-051-A ** ON A/C NOT FOR ALL
A. Disconnect the harness
(1) Disconnect these electrical connectors:
(a) The connector 4004VC-A at the left C-duct.
(b) The connectors 4101KS-A and 4101KS-B at the thrust reverser control valve.
(c) The connectors 4012VC-A and 4013VC-A at the air intake cowl.
(d) The connectors 402VC-A and 406VC-A at the pylon interface panel.
(e) The connectors 403VC-A and 407VC-A at the pylon interface panel.
(f) The connector 4005VC-A at the right C-duct.
(g) The connectors 4000KS-J1 and 4000KS-J7 at the EEC.
(h) The connectors 4000VC-A, 4001VC-A, 4002VC-A and 4003VC-A at their related plug breaks.
Subtask 71-51-42-620-051-A ** ON A/C NOT FOR ALL (1) Disconnect these electrical connectors:
(a) The connector 4004VC-A at the left C-duct.
(b) The connectors 4101KS-A and 4101KS-B at the thrust reverser control valve.
(c) The connectors 4012VC-A and 4013VC-A at the air intake cowl.
(d) The connectors 402VC-A and 406VC-A at the pylon interface panel.
(e) The connectors 403VC-A and 407VC-A at the pylon interface panel.
(f) The connector 4005VC-A at the right C-duct.
(g) The connectors 4000KS-J1 and 4000KS-J7 at the EEC.
(h) The connectors 4000VC-A, 4001VC-A, 4002VC-A and 4003VC-A at their related plug breaks.
B. Put the applicable COVER - BLANKING on all the electrical connectors and all the electrical receptacles.
Subtask 71-51-42-020-052-A ** ON A/C NOT FOR ALL C. Disconnect the harness clips from the front of the LP compressor/intermediate case
PRE SBE 71-0177: Engine Power Plant - EEC and Ignition supply harness, rerouting of Thrust Reverser Control Valve cables
(1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) from the clip (3) at position A.
(2) Remove the bolt (6) and the washer (7) from the clip (5) at position B.
(3) Remove the bolts (9), the washers (8) and the nuts (11) from the clips (10) at position C.
(4) Make a note of the position of the spacer (12). Remove the bolt (14), the washer (13), the nut (16) and the spacer (12) from the clip (15) at position D.
(5) Make a note of the position of the spacer (39). Remove the bolts (27), (29), (33) and (36), the washers (26), (32), (35) and (38) and the spacer (39) from the clips (28), (30), (31), (34) and (37) at positions E, F, G and H.
(6) Make a note of the positions of the spacers (51) and (55). Remove the bolts (49) and (53), the washers (52) and (56) and the spacers (51) and (55) from the clips (50) and (54) at positions J and K.
(7) Make a note of the positions of the spacers (57) and (61). Remove the bolt (60), the washer (59), the nut (62) and the spacers (57) and (61) from the clips (58) at position L.
(8) Make a note of the positions of the spacers (73), (74) and (77). Remove the bolt (76), the washer (75), the nut (79) and the spacers (73), (74) and (77) from the clip (78) at position M.
(9) Remove the bolt (80) and the washer (82) from the clip (81) at position N.
PRE SBE 71-0288
(10) Remove the bolt (83) and the washer (85) from the clip (84) at position P.
END OF PRE SBE 71-0288
POST SBE 71-0288
(11) Remove the bolt (83) from the clip (84) at position P.
END OF POST SBE 71-0288
(12) Remove the bolt (97), the washers (98) and (99) and the nut (95) from the clip (96) at position Q.
PRE SBE 71-0288
(13) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF PRE SBE 71-0288
POST SBE 71-0288
(14) Remove the bolt (103), the washer (101) and the nut (102) from the clip (100) at position R.
END OF POST SBE 71-0288
(15) Remove the bolt (107) and the washer (106) from the clip (105) at position S.
(16) Remove the bolt (118), the washer (117) and the nut (119) from the clip (120) at position T.
(17) Remove the bolts (122) and (124) and the washers (123) and (125) from the clips (121), (126) and (127) at positions U and V.
(18) Remove the bolts (138) and (143) and the washers (140) and (142) from the clips (139) and (141) at positions W and X.
(19) Remove the bolts (145) and the washers (146) from the clips (144) and (154) at position Y.
Subtask 71-51-42-020-065-A ** ON A/C NOT FOR ALL PRE SBE 71-0177: Engine Power Plant - EEC and Ignition supply harness, rerouting of Thrust Reverser Control Valve cables
(1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) from the clip (3) at position A.
(2) Remove the bolt (6) and the washer (7) from the clip (5) at position B.
(3) Remove the bolts (9), the washers (8) and the nuts (11) from the clips (10) at position C.
(4) Make a note of the position of the spacer (12). Remove the bolt (14), the washer (13), the nut (16) and the spacer (12) from the clip (15) at position D.
(5) Make a note of the position of the spacer (39). Remove the bolts (27), (29), (33) and (36), the washers (26), (32), (35) and (38) and the spacer (39) from the clips (28), (30), (31), (34) and (37) at positions E, F, G and H.
(6) Make a note of the positions of the spacers (51) and (55). Remove the bolts (49) and (53), the washers (52) and (56) and the spacers (51) and (55) from the clips (50) and (54) at positions J and K.
(7) Make a note of the positions of the spacers (57) and (61). Remove the bolt (60), the washer (59), the nut (62) and the spacers (57) and (61) from the clips (58) at position L.
(8) Make a note of the positions of the spacers (73), (74) and (77). Remove the bolt (76), the washer (75), the nut (79) and the spacers (73), (74) and (77) from the clip (78) at position M.
(9) Remove the bolt (80) and the washer (82) from the clip (81) at position N.
PRE SBE 71-0288
(10) Remove the bolt (83) and the washer (85) from the clip (84) at position P.
END OF PRE SBE 71-0288
POST SBE 71-0288
(11) Remove the bolt (83) from the clip (84) at position P.
END OF POST SBE 71-0288
(12) Remove the bolt (97), the washers (98) and (99) and the nut (95) from the clip (96) at position Q.
PRE SBE 71-0288
(13) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF PRE SBE 71-0288
POST SBE 71-0288
(14) Remove the bolt (103), the washer (101) and the nut (102) from the clip (100) at position R.
END OF POST SBE 71-0288
(15) Remove the bolt (107) and the washer (106) from the clip (105) at position S.
(16) Remove the bolt (118), the washer (117) and the nut (119) from the clip (120) at position T.
(17) Remove the bolts (122) and (124) and the washers (123) and (125) from the clips (121), (126) and (127) at positions U and V.
(18) Remove the bolts (138) and (143) and the washers (140) and (142) from the clips (139) and (141) at positions W and X.
(19) Remove the bolts (145) and the washers (146) from the clips (144) and (154) at position Y.
D. Disconnect the harness clips from the front of the LP compressor/intermediate case
SBE 71-0177: Engine Power Plant - EEC and Ignition supply harness, rerouting of Thrust Reverser Control Valve cables
(1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) from the clip (3) at position A.
(2) Remove the bolt (6) and the washer (7) from the clip (5) at position B.
(3) Remove the bolts (9), the washers (8) and the nuts (11) from the clips (10) at position C.
(4) Make a note of the position of the spacer (12). Remove the bolt (14), the washer (13), the nut (16) and the spacer (12) from the clip (15) at position D
(5) Make a note of the position of the spacer (39). Remove the bolts (27), the washers (26), the nut (41) and the spacer (39) from the clips (28) and (40) at positions E.
(6) Remove the bolts (29), (33) and (36) and the washers (32), (35) and (38) from the clips (30), (31), (34) and (37) at positions F, G and H.
(7) Make a note of the positions of the spacers (51) and (55). Remove the bolts (49) and (53), the washers (52) and (56) and the spacers (51) and (55) from the clips (50) and (54) at positions J and K.
(8) Make a note of the positions of the spacers (57) and (61). Remove the bolt (60), the washer (59), the nut (62) and the spacers (57) and (61) from the clips (58) at position L.
(9) Make a note of the positions of the spacers (73), (74) and (77). Remove the bolt (76), the washer (75), the nut (79) and the spacers (73), (74) and (77) from the clip (78) at position M.
(10) Remove the bolt (80) and the washer (82) from the clip (81) at position N.
PRE SBE 71-0288
(11) Remove the bolt (83) and the washer (85) from the clip (84) at position P.
END OF PRE SBE 71-0288
POST SBE 71-0288
(12) Remove the bolt (83) from the clips (81) and (84) at position P.
END OF POST SBE 71-0288
(13) Remove the bolt (97), the washers (98) and (99) and the nut (95) from the clip (96) at position Q.
PRE SBE 71-0288
(14) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF PRE SBE 71-0288
POST SBE 71-0288
(15) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF POST SBE 71-0288
(16) Remove the bolt (107) and the washer (106) from the clip (105) at position S.
(17) Remove the bolt (118), the washer (117) and the nut (119) from the clip (120) at position T.
(18) Remove the bolts (122) and (124) and the washers (123) and (125) from the clips (121), (126) and (127) at positions U and V.
(19) Make a note of the position of the spacer (156). Remove the bolts (138) and (143), the washers (140) and (142) and the spacer (156) from the clips (139), (141) and (157) at positions W and X.
(20) Make a note of the position of the spacer (158). Remove the bolt (145), the washer (146) and the spacer (158) from the clips (144), (154) and (159) at position Y.
(21) Make a note of the positions of the spacers (169) and (174). Remove the bolts (166) and (171), the washers (167) and (172), the nuts (170) and (175) and the spacers (169) and (174) from the clips (168) and (173) at positions AB and AC.
PRE SBE 77-0014
(22) Remove the bolts (176) and (180), the washers (177) and (181) and the nut (179) from the clips (178) and (182) at positions AD and AE.
END OF PRE SBE 77-0014
POST SBE 77-0014
(23) Remove the bolts (176) and (180), the washer (177) and the nut (179) from the clips (178), (181) and (182) at positions AD and AE.
END OF POST SBE 77-0014
(24) Remove the bolt (183), the washer (184) and the nut (186) from the clip (185) at position AF.
(25) Make a note of the position of the spacer (190). Remove the bolt (187), the washer (188) and the spacer (190) from the clip (189) at position AG.
(26) Remove the bolt (191) and the washer (192) from the clip (193) at position AH.
PRE SBE 77-0014
(27) Remove the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) from the clips (196) and (200) at positions AJ and AK.
END OF PRE SBE 77-0014
POST SBE 77-0014
(28) Remove the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) from the clips (196), (200), (203), (204) and (205) at positions AJ and AK.
END OF POST SBE 77-0014
Subtask 71-51-42-010-057-A ** ON A/C NOT FOR ALL SBE 71-0177: Engine Power Plant - EEC and Ignition supply harness, rerouting of Thrust Reverser Control Valve cables
(1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) from the clip (3) at position A.
(2) Remove the bolt (6) and the washer (7) from the clip (5) at position B.
(3) Remove the bolts (9), the washers (8) and the nuts (11) from the clips (10) at position C.
(4) Make a note of the position of the spacer (12). Remove the bolt (14), the washer (13), the nut (16) and the spacer (12) from the clip (15) at position D
(5) Make a note of the position of the spacer (39). Remove the bolts (27), the washers (26), the nut (41) and the spacer (39) from the clips (28) and (40) at positions E.
(6) Remove the bolts (29), (33) and (36) and the washers (32), (35) and (38) from the clips (30), (31), (34) and (37) at positions F, G and H.
(7) Make a note of the positions of the spacers (51) and (55). Remove the bolts (49) and (53), the washers (52) and (56) and the spacers (51) and (55) from the clips (50) and (54) at positions J and K.
(8) Make a note of the positions of the spacers (57) and (61). Remove the bolt (60), the washer (59), the nut (62) and the spacers (57) and (61) from the clips (58) at position L.
(9) Make a note of the positions of the spacers (73), (74) and (77). Remove the bolt (76), the washer (75), the nut (79) and the spacers (73), (74) and (77) from the clip (78) at position M.
(10) Remove the bolt (80) and the washer (82) from the clip (81) at position N.
PRE SBE 71-0288
(11) Remove the bolt (83) and the washer (85) from the clip (84) at position P.
END OF PRE SBE 71-0288
POST SBE 71-0288
(12) Remove the bolt (83) from the clips (81) and (84) at position P.
END OF POST SBE 71-0288
(13) Remove the bolt (97), the washers (98) and (99) and the nut (95) from the clip (96) at position Q.
PRE SBE 71-0288
(14) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF PRE SBE 71-0288
POST SBE 71-0288
(15) Remove the bolt (103), the washers (101) and (104) and the nut (102) from the clip (100) at position R.
END OF POST SBE 71-0288
(16) Remove the bolt (107) and the washer (106) from the clip (105) at position S.
(17) Remove the bolt (118), the washer (117) and the nut (119) from the clip (120) at position T.
(18) Remove the bolts (122) and (124) and the washers (123) and (125) from the clips (121), (126) and (127) at positions U and V.
(19) Make a note of the position of the spacer (156). Remove the bolts (138) and (143), the washers (140) and (142) and the spacer (156) from the clips (139), (141) and (157) at positions W and X.
(20) Make a note of the position of the spacer (158). Remove the bolt (145), the washer (146) and the spacer (158) from the clips (144), (154) and (159) at position Y.
(21) Make a note of the positions of the spacers (169) and (174). Remove the bolts (166) and (171), the washers (167) and (172), the nuts (170) and (175) and the spacers (169) and (174) from the clips (168) and (173) at positions AB and AC.
PRE SBE 77-0014
(22) Remove the bolts (176) and (180), the washers (177) and (181) and the nut (179) from the clips (178) and (182) at positions AD and AE.
END OF PRE SBE 77-0014
POST SBE 77-0014
(23) Remove the bolts (176) and (180), the washer (177) and the nut (179) from the clips (178), (181) and (182) at positions AD and AE.
END OF POST SBE 77-0014
(24) Remove the bolt (183), the washer (184) and the nut (186) from the clip (185) at position AF.
(25) Make a note of the position of the spacer (190). Remove the bolt (187), the washer (188) and the spacer (190) from the clip (189) at position AG.
(26) Remove the bolt (191) and the washer (192) from the clip (193) at position AH.
PRE SBE 77-0014
(27) Remove the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) from the clips (196) and (200) at positions AJ and AK.
END OF PRE SBE 77-0014
POST SBE 77-0014
(28) Remove the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) from the clips (196), (200), (203), (204) and (205) at positions AJ and AK.
END OF POST SBE 77-0014
E. Remove the two cables from the terminal modules TM817 and TM824.
PRE SBE 73-0137
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM817 and terminal C on TM824.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM817 and cable 8T033 from terminal C on the terminal module TM824.
(5) Remove the adhesive tape from the cables at the clamp position.
(6) Remove the female backshell half (150) from the male backshell half on the terminal module assembly (151).
(7) Remove and discard the lacing tape from around the screen tails.
(8) Bend the screen tails away from the cables and release the ground ferrule.
(9) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
Subtask 71-51-42-010-062-A ** ON A/C NOT FOR ALL PRE SBE 73-0137
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM817 and terminal C on TM824.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM817 and cable 8T033 from terminal C on the terminal module TM824.
NOTE: There are seven cables in total. Five come from the General Services Harness.
(4) Remove the two screws (152) and (153) and the cable clamp from the female backshell half (150). (5) Remove the adhesive tape from the cables at the clamp position.
(6) Remove the female backshell half (150) from the male backshell half on the terminal module assembly (151).
(7) Remove and discard the lacing tape from around the screen tails.
(8) Bend the screen tails away from the cables and release the ground ferrule.
(9) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
F. Remove the two cables from the terminal modules TM81714/3-D-A1 and TM81714/3-D-B1.
SBE 73-0137: Engine - Powerplant - Installation of new terminal block
PRE SBE 71-0275
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM81714/3-D-A1 and terminal C on TM81714/3-D-B1.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM81714/3-D-A1, and cable 8T033 from terminal C on the terminal module TM81714/3-D-B1.
(5) Remove the adhesive tape from the cables at the clamp position.
(6) Remove the female backshell half (150) from the male backshell half on terminal module assembly (151).
(7) Remove and discard the lacing tape from around the screen tails.
(8) Bend the screen tails away from the cables and release the ground ferrule.
(9) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
Subtask 71-51-42-010-065-A ** ON A/C NOT FOR ALL SBE 73-0137: Engine - Powerplant - Installation of new terminal block
PRE SBE 71-0275
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM81714/3-D-A1 and terminal C on TM81714/3-D-B1.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM81714/3-D-A1, and cable 8T033 from terminal C on the terminal module TM81714/3-D-B1.
NOTE: There are seven cables in total. Five come from the General Services Harness.
(4) Remove the two screws (152) and (153) and the cable clamp from the female backshell half (150). (5) Remove the adhesive tape from the cables at the clamp position.
(6) Remove the female backshell half (150) from the male backshell half on terminal module assembly (151).
(7) Remove and discard the lacing tape from around the screen tails.
(8) Bend the screen tails away from the cables and release the ground ferrule.
(9) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
G. Remove the two cables from the terminal modules TM81714/3-D-A1 and TM81714/3-D-B1.
SBE 71-0275: Engine - Engine Build Unit (EBU) - terminal module assembly - re-routing of the harness.
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM81714/3-D-A1 and terminal C on TM81714/3-D-B1.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM81714/3-D-A1 and cable 8T033 from terminal C on the terminal module TM81714/3-D-B1.
(4) Removal of the lockwire.
(5) Remove the two screws (152) and (153) and the cable clamp from the female backshell half (150).
(6) Remove the adhesive tape from the cables.
(7) Remove the female backshell half (150) from the male backshell half on the terminal module assembly (151).
(8) Remove and discard the lacing tape from around the screen tails.
(9) Bend the screen tails away from the cables and release the ground ferrule.
(10) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
Subtask 71-51-42-020-053-A ** ON A/C NOT FOR ALL SBE 71-0275: Engine - Engine Build Unit (EBU) - terminal module assembly - re-routing of the harness.
(1) Remove the screws (148) and (149) and the washer (155) and remove the cover (147) from the terminal block (151).
(2) Attach temporary tags to identify the cables from terminal E on TM81714/3-D-A1 and terminal C on TM81714/3-D-B1.
(3) Use the M81969-14-03 INSERTION EXTRACTION TOOL to remove cable 8T077 from terminal E on the terminal module TM81714/3-D-A1 and cable 8T033 from terminal C on the terminal module TM81714/3-D-B1.
(4) Removal of the lockwire.
WARNING:
USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.
(a) Remove the lockwire (Material No.V02-147) from the two screws (152) and (153) (Ref. AMM TASK 20-11-11-911-001). (5) Remove the two screws (152) and (153) and the cable clamp from the female backshell half (150).
(6) Remove the adhesive tape from the cables.
(7) Remove the female backshell half (150) from the male backshell half on the terminal module assembly (151).
(8) Remove and discard the lacing tape from around the screen tails.
(9) Bend the screen tails away from the cables and release the ground ferrule.
(10) Remove the harness cables from the terminal module assembly (151), the ground ferrule and the female backshell half (150).
H. Disconnect the harness clips from the rear of the LP compressor/intermediate case
(1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) that attach the clip (3) to the engine at position A.
(2) Make a note of the position of the spacer (12). Remove the bolt (8), the washer (9), the spacer (12) and the nut (10) that attach the clip (11) to the engine at position C.
(3) Remove the bolts (5) and (13) and the washers (6) and (14) that attach the clips (7) and (15) to the engine at positions B and D.
(4) Remove the bolt (26) and the washer (27) that attach the clip (28) to the engine at position E.
PRE SBE 71-0288
(5) Remove the bolt (33), the washers (32) and (38) and the nut (29) that attach the clips (30) and (31) to the engine at position F.
END OF PRE SBE 71-0288
POST SBE 71-0288
(6) Remove the bolt (33) and the nut (29) that attach the clips (30) and (31) to the engine at position F.
END OF POST SBE 71-0288
(7) Remove the bolt (34), the washer (35) and the nut (36) that attach the clips (37) to the engine at position G.
(8) Remove the bolts (48), (51) and (54) and the washers (49), (52) and (56) that attach the clips (50), (53) and (55) to the engine at positions H, J and K.
(9) Remove the bolt (57), the washer (58) and the nut (60) that attach the clips (59) to the engine at position L.
Subtask 71-51-42-020-054-A ** ON A/C NOT FOR ALL (1) Make a note of the position of the spacer (4). Remove the bolt (1), the washer (2) and the spacer (4) that attach the clip (3) to the engine at position A.
(2) Make a note of the position of the spacer (12). Remove the bolt (8), the washer (9), the spacer (12) and the nut (10) that attach the clip (11) to the engine at position C.
(3) Remove the bolts (5) and (13) and the washers (6) and (14) that attach the clips (7) and (15) to the engine at positions B and D.
(4) Remove the bolt (26) and the washer (27) that attach the clip (28) to the engine at position E.
PRE SBE 71-0288
(5) Remove the bolt (33), the washers (32) and (38) and the nut (29) that attach the clips (30) and (31) to the engine at position F.
END OF PRE SBE 71-0288
POST SBE 71-0288
(6) Remove the bolt (33) and the nut (29) that attach the clips (30) and (31) to the engine at position F.
END OF POST SBE 71-0288
(7) Remove the bolt (34), the washer (35) and the nut (36) that attach the clips (37) to the engine at position G.
(8) Remove the bolts (48), (51) and (54) and the washers (49), (52) and (56) that attach the clips (50), (53) and (55) to the engine at positions H, J and K.
(9) Remove the bolt (57), the washer (58) and the nut (60) that attach the clips (59) to the engine at position L.
I. Remove the EEC and ignition supply harness from the engine
(1) Remove the harness from the clips (28), (31), (34) and (37) at positions E, F, G and H and the clips (50) and (54) at positions J and K.
(2) Remove the harness from the clips (81), (84), (96), (100) and (105) at positions N, P, Q, R and S and the clips (120), (121) and (127) at positions T, U, and V.
(3) Remove the harness from the clips (139), (141), (144) and (154) at positions W, X and Y.
(4) Remove the harness from the clip (3) at position A and the clips (30) and (37) at positions F and G.
(5) Remove the harness from the clips (50), (53), (55) and (59) at positions H, J, K and L.
(6) Remove the EEC and ignition supply harness from the engine.
Subtask 71-51-42-010-058-A ** ON A/C NOT FOR ALL (1) Remove the harness from the clips (28), (31), (34) and (37) at positions E, F, G and H and the clips (50) and (54) at positions J and K.
(2) Remove the harness from the clips (81), (84), (96), (100) and (105) at positions N, P, Q, R and S and the clips (120), (121) and (127) at positions T, U, and V.
(3) Remove the harness from the clips (139), (141), (144) and (154) at positions W, X and Y.
(4) Remove the harness from the clip (3) at position A and the clips (30) and (37) at positions F and G.
(5) Remove the harness from the clips (50), (53), (55) and (59) at positions H, J, K and L.
(6) Remove the EEC and ignition supply harness from the engine.
J. Transferable parts removal
(1) Remove all the clips from the EEC and ignition supply harness at positions A, B, C, D, F, L and M.
(2) Remove all the clips from the EEC and ignition supply harness at positions B, C, D and E.
SBE 71-0177
(3) Remove all the clips from the thrust reverser control valve cables at positions X, Y, AB, AC, AD, AE, AF, AG, AH, AJ and AK.
(1) Remove all the clips from the EEC and ignition supply harness at positions A, B, C, D, F, L and M.
(2) Remove all the clips from the EEC and ignition supply harness at positions B, C, D and E.
SBE 71-0177
(3) Remove all the clips from the thrust reverser control valve cables at positions X, Y, AB, AC, AD, AE, AF, AG, AH, AJ and AK.