W DOC AIRBUS | AMM A320F

Removal of the Ignition Supply Harness (Pre SBE 71-0288 only) [IAE]


TASK 71-51-44-000-010-B
Removal of the Ignition Supply Harness (Pre SBE 71-0288 only)


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.
1. Reason for the Job
This task is for V2500-A5 engines.
For POST SBE 71-0288 refer to the AMM TASK 71-51-42-000-010.
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)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 C. Referenced Information
REFERENCE
DESIGNATION
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
3. Job Set-up
Subtask 71-51-44-941-060-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) in position 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) in position to tell persons not to energize the FADEC 1(2).
Subtask 71-51-44-865-074-A ** ON A/C NOT FOR ALL
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUENGINE/1 AND 2/IGN/SYS A1JHA03
FOR FIN: 1000EM1 (ENGINE1)
121VUENGINE/IGN/ENG1/SYS B3JH1P41
121VUENGINE/IGN/ENG1/SYS A BAT2JH1P39
FOR FIN: 1000EM2 (ENGINE2)
121VUENGINE/IGN/ENG2/SYS B3JH2P42
121VUENGINE/IGN/ENG2/SYS A BAT2JH2P40
Subtask 71-51-44-010-066-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010):
     (a) FOR [1000EM1] (ENGINE-1)
437AL 438AR
     (b) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
   (2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position on the left side and the right side of the engine.
Subtask 71-51-44-010-067-A ** ON A/C NOT FOR ALL
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
Subtask 71-51-44-020-059-A ** ON A/C NOT FOR ALL
A. Disconnection of the Harness
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (1) Disconnect these electrical connectors:
     (a) The connectors 4100KS-D and 4100KS-C from the relay box
     (b) The connectors 4002VC-A and 4003VC-A from the electrical harness receptacles attached to the brackets
     (c) The connectors 4000JH1-A and 4000JH2-A from the igniter box.
Subtask 71-51-44-620-050-A ** ON A/C NOT FOR ALL
B. Put the applicable COVER - BLANKING on all the electrical connectors and all the electrical receptacles.
Subtask 71-51-44-020-060-A ** ON A/C NOT FOR ALL
C. Disconnection of the Harness Clips from the Front of the LP Compressor/ Intermediate Case
F Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 73-0140

   (1) Remove the bolt (1) and the washer (2) from the clip (3) at position A.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 73-0140

POST SBE 73-0140

   (2) Remove the bolt (1), the washer (2) and the nut (4) from the clip (3) at position A.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 73-0140

   (3) Remove the bolt (5), the washer (6) and the nut (8) from the clip (7) at position B.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (4) Remove the bolt (9) and the washer (10) from the clips (11) and (12) at position C.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (5) Remove the bolt (13), the washer (14) and the nut (17) from the clips (15) and (16) at position D.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
Subtask 71-51-44-020-061-A ** ON A/C NOT FOR ALL
D. Disconnection of the Harness Clips from the Rear of the LP Compressor/ Intermediate Case
F Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 79-0088

   (1) Remove the bolt (18), the washer (19) and the nut (21) from the clip (20) at position F.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (2) Make a note of the position of the spacer (25). Remove the bolt (28), the washers (27) and (23), the nut (22) and the spacer (25) from the clips (26) and (24) at position G.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (3) Remove the bolt (29), the washer (30) and the nut (32) from the clip (31) at position H.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 79-0088

POST SBE 79-0088

   (4) Remove the bolt (33), the washer (34) and the nut (37) from the clips (35) and (36) at position J.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (5) Make a note of the position of the spacer (41). Remove the bolt (38), the washers (39) and (44), the nut (45) and the spacer (41) from the clips (40), (42) and (43) at position K.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

PRE SBE 72-0189

   (6) Make a note of the position of the spacer (50). Remove the bolt (46), the washer (47), and the spacer (50) from the clips (48), (49) and (51) at position L.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (7) Remove the bolt (52) and the washer (53) from the clip (54) at position M.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (8) Make a note of the position of the spacer (129). Remove the bolt (127) and the spacer (129) from the clip (128) at position AB.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (9) Make a note of the position of the spacer (129). Remove the bolt (127), the washer (130) and the spacer (129) from the clip (128) at position AB.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

POST SBE 72-0189, PRE SBE 79-0088 and POST SBE 79-0088

   (10) Remove the bolt (123), the washer (124) and the nut (126) from the clip (125) at position AA.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189, END OF PRE SBE 79-0088 and END OF POST SBE 79-0088

PRE SBE 72-0189

   (11) Make a note of the position of the spacer (58). Remove the bolt (55), the washer (56), the nut (59) and the spacer (58) from the clip (57) at position N.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (12) Make a note of the position of the spacers (58) and (61). Remove the bolt (55), the nut (59) and the spacers (58) and (61) from the clips (57) and (60) at position N.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (13) Make a note of the position of the spacers (58) and (61). Remove the bolt (55), the washer (56), the nut (59) and the spacers (58) and (61) from the clips (57) and (60) at position N.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

   (14) Remove the bolt (64) and the washer (63) from the clip (62) at position P.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (15) Remove the bolt (65) and the washer (66) from the clip (67) at position Q.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (16) Remove the bolt (68), the washers (69) and (72) and the nut (73) from the clips (70) and (71) at position R.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 72-0189 and POST SBE 79-0088

   (17) Remove the bolt (74), the washers (75) and (78) and the nut (79) from the clips (76) and (77) at position S.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189 and END OF POST SBE 79-0088

POST SBE 72-0189 and PRE SBE 79-0088

   (18) Remove the bolt (74) and the nut (79) from the clips (76) and (77) at position S.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

PRE SBE 72-0189

   (19) Remove the bolt (80), the washers (81) and (84) and the nut (85) from the clips (82) and (83) at position T.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (20) Make a note of the position of the spacer (86). Remove the bolt (80), the nut (85) and the spacer (86) from the clips (82) and (83) at position T.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (21) Make a note of the position of the spacer (86). Remove the bolt (80), the washers (81) and (84), the nut (85) and the spacer (86) from the clips (82) and (83) at position T.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

PRE SBE 72-0189

   (22) Remove the bolt (87), the washers (88) and (91) and the nut (92) from the clips (89) and (90) at position U.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (23) Make a note of the position of the spacer (97). Remove the bolt (100), the washers (94) and (99), the nut (93) and the spacer (97) from the clips (95),(96) and (98) at position V.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (24) Make a note of the position of the spacer (103). Remove the bolt (101) and the spacer (103) from the clip (102) at position W.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (25) Remove the bolt (104) and the nut (107) from the clips (105) and (106) at position X.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 72-0189 and PRE SBE 75-0081

   (26) Remove the bolt (108) and the nut (111) from the clips (109) and (110) at position Y.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 75-0081

POST SBE 72-0189 and PRE SBE 79-0088

   (27) Make a note of the position of the spacer (114). Remove the bolt (112), the nut (116) and the spacer (114) from the clips (113) and (115) at position Z.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (28) Remove the bolt (131), the washers (132) and (135) and the nut (136) from the clips (133) and (134) at position AC.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088
Subtask 71-51-44-010-068-A ** ON A/C NOT FOR ALL
E. Removal of the Core Engine Part of the Harness through the Bifurcation Panel
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (1) Remove the four bolts (137) and the four nuts (138) from the bifurcation panel.
   (2) Remove the two flame trap brackets (139).
   (3) Remove the core engine part of the harness through the bifurcation panel.
Subtask 71-51-44-020-062-A ** ON A/C NOT FOR ALL
F. Removal of the Ignition Supply Harness from the Engine
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (1) Remove the harness from the clips (3), (7), (11) and (15) at positions A, B, C and D.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 79-0088

   (2) Remove the harness from the clips (20), (26) and (31) at positions F, G and H.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 79-0088

POST SBE 79-0088

   (3) Remove the harness from the clips (35) and (43) at positions J and K.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

PRE SBE 72-0189

   (4) Remove the harness from the clips (48) and (54) at positions L and M.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189

   (5) Remove the harness from the clips (125) and (128) at positions AA and AB.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189

   (6) Remove the harness from the clips (57) and (62) at positions N and P.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (7) Remove the harness from the clips (67) and (70) at positions Q and R.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (8) Remove the harness from the clips (77) and (82) at positions S and T.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 72-0189

   (9) Remove the harness from the clips (90) and (98) at positions U and V.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (10) Remove the harness from the clips (102) and (106) at positions W and X.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 72-0189 and PRE SBE 75-0081

   (11) Remove the harness from the clip (110) at position Y.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 75-0081

POST SBE 72-0189 and PRE SBE 79-0088

   (12) Remove the harness from the clip (115) at position Z.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (13) Remove the harness from the clip (134) at position AC.
F Ignition Supply Harness ** ON A/C NOT FOR ALL
F Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 79-0088

   (14) Remove the ignition supply harness from the engine.
Subtask 71-51-44-010-069-A ** ON A/C NOT FOR ALL
G. Transferable Parts Removal
F Ignition Supply Harness ** ON A/C NOT FOR ALL
   (1) Remove all the clips from the ignition supply harness at positions A, B, C and D.

PRE SBE 79-0088

   (2) Remove all the clips from the ignition supply harness at positions F, G and H.

END OF PRE SBE 79-0088

POST SBE 79-0088

   (3) Remove all the clips from the ignition supply harness at positions J and K.

END OF POST SBE 79-0088

PRE SBE 72-0189

   (4) Remove all the clips from the ignition supply harness at positions L and M.

END OF PRE SBE 72-0189

POST SBE 72-0189

   (5) Remove all the clips from the ignition supply harness at positions AA and AB.

END OF POST SBE 72-0189

   (6) Remove all the clips from the ignition supply harness at positions N and P.
   (7) Remove all the clips from the ignition supply harness at positions Q, R, S and T.

PRE SBE 72-0189

   (8) Remove all the clips from the ignition supply harness at positions U and V.

END OF PRE SBE 72-0189

POST SBE 72-0189 and PRE SBE 79-0088

   (9) Remove all the clips from the ignition supply harness at positions W and X.

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 72-0189 and PRE SBE 75-0081

   (10) Remove all the clips from the ignition supply harness at position Y.

END OF POST SBE 72-0189 and END OF PRE SBE 75-0081

POST SBE 72-0189 and PRE SBE 79-0088

   (11) Remove all the clips from the ignition supply harness at position Z.

END OF POST SBE 72-0189 and END OF PRE SBE 79-0088

POST SBE 79-0088

   (12) Remove all the clips from the ignition supply harness at position AC.

END OF POST SBE 79-0088
[Rev.10 from 2021] 2026.04.01 12:56:53 UTC