Installation of the EEC and Ignition Supply Harness [IAE]

TASK 71-51-42-400-010-B
Installation 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.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 400

1. Reason for the Job
This 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	1	PENCIL - SHARP
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 11 and 9 lbf.in (0.12 and 0.10 m.daN )
No specific	Torque wrench: range to between 20 and 10 lbf.in (0.23 and 0.11 m.daN )
No specific	Torque wrench: range to between 15.4 and 12.6 lbf.in (0.17 and 0.14 m.daN )
No specific	Torque wrench: range to between 35.2 and 28.8 lbf.in (0.40 and 0.33 m.daN )
No specific	Torque wrench: range to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )
No specific	Torque wrench: range to between 50.6 and 41.4 lbf.in (0.57 and 0.47 m.daN )
IAE1R19416	1	WRENCH-SPECIAL 4 AND 8 SLOT CONNECTOR, LIFTING
M81969-14-03	1	INSERTION EXTRACTION TOOL

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.V01-002)	cleaning fluid
(Material No.V02-147)	lockwire
(Material No.V02-148)	adhesive tape (electrical)
(Material No.V02-159)	lacing tape
(Material No.V08-026)	locking compound
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
400	POWER PLANT, NACELLES AND PYLONS
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

D. Referenced Information

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 30-21-49-400-012-B	Installation of the Anti-ice Duct No. 3
TASK 70-23-11-911-013-A	General Torque Tightening Techniques
TASK 70-23-15-912-010-A	Connection of Electrical Connectors
TASK 71-13-00-010-010-A	Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-010-A	Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-51-42-000-010-B	Removal of the EEC and Ignition Supply Harness
TASK 73-22-00-710-040-A	Operational Test of the FADEC SYSTEM on the Ground
TASK 73-22-34-710-040-A	Operational Test of the EEC
TASK 80-13-49-000-010-B	Removal of the Starter Duct
TASK 80-13-49-400-010-B	Installation of the Starter Duct
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness
EEC and Ignition Supply Harness

3. Job Set-up
Subtask 71-51-42-860-051-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 2M (6 FT) - ADJUSTABLE is in position.
(4) Make sure that the anti-ice duct No. 3 (Ref. AMM TASK 30-21-49-000-012) is removed.
(5) Make sure that the starter duct (Ref. AMM TASK 80-13-49-000-010) is removed.

Subtask 71-51-42-010-060-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowls are open: (Ref. AMM TASK 71-13-00-010-010)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR.

Subtask 71-51-42-865-054-A ** ON A/C NOT FOR ALL

C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

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

Subtask 71-51-42-410-055-A ** ON A/C NOT FOR ALL

D. Transferable parts installation

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Install the clips on the replacement EEC and ignition supply harness at positions A, B, C, D, F, L and M.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(2) Install the clips on the replacement EEC and ignition supply harness at positions B, C, D and E.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

SBE 71-0177

(3) Install the clips on the replacement thrust reverser control valve cables at positions X, Y, AB, AC, AD, AE, AF, AG, AH, AJ and AK.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

Subtask 71-51-42-630-051-A ** ON A/C NOT FOR ALL

E. Remove the covers/caps/plugs from the electrical connectors and the electrical receptacles.

Subtask 71-51-42-110-051-A ** ON A/C NOT FOR ALL

F. Clean the terminal block backshell and screws

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Use a clean Textile-Lint free Cotton - (Material No.14SBA1) made moist with cleaning fluid (Material No.V01-002) to clean:
(a) The threads of the backshell (150).
(b) The threads of the screws (153).
(2) Dry the backshell and the screws with a clean lint free cloth.

4. Procedure
Subtask 71-51-42-420-051-A ** ON A/C NOT FOR ALL

A. Install the EEC and ignition supply harness

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Put the harness in position on the engine.
(2) Install the harness in the harness clips (28), (31), (34) and (37) at positions E, F, G and H and the clips (50) and (54) at positions J and K.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(3) Install the harness in 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.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(4) Install the harness in the clips (139) and (141) at positions W and X.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(5) Install the harness in the clips (144) and (154) at position Y.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(6) Install the harness in the clip (3) at position A and the clips (30) and (37) at positions F and G.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(7) Install the harness in the clips (50), (53), (55) and (58) at positions H, J, K and L.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

Subtask 71-51-42-420-052-A ** ON A/C NOT FOR ALL

B. Connect the harness to the electrical connectors

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Connect these electrical connectors (Ref. AMM TASK 70-23-15-912-010):
(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-J7 and 4000KS-J1 at the EEC.
(h) The connectors 4000VC-A, 4001VC-A, 4002VC-A and 4003VC-A at their related plugbreaks.

Subtask 71-51-42-420-066-A ** ON A/C NOT FOR ALL

C. Connect and torque the electrical connectors as follows:

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Connect the electrical connectors 4000KS-J1 and 4000KS-J7 to the EEC. TORQUE the connectors to between 35.2 and 28.8 lbf.in (0.40 and 0.33 m.daN )

with the IAE1R19416 WRENCH-SPECIAL 4 AND 8 SLOT CONNECTOR, LIFTING.
(2) Connect the electrical connector 4000VC-A to the harness receptacle 4000VC, and align the master keyway. TORQUE the connector to between 50.6 and 41.4 lbf.in (0.57 and 0.47 m.daN )

.
(3) Connect the electrical connector 4001VC-A to the harness receptacle 4001VC, and align the master keyway. TORQUE the connector to between 50.6 and 41.4 lbf.in (0.57 and 0.47 m.daN )

.
(4) Connect the electrical connectors 4002VC-A and 4003VC-A to the harness receptacles 4002VC and 4003VC, and align the master keyways. TORQUE the connector to between 15.4 and 12.6 lbf.in (0.17 and 0.14 m.daN )

Subtask 71-51-42-410-056-A ** ON A/C NOT FOR ALL

D. Install the two cables on the terminal modules TM817 and TM824.

NOTE: There are seven cables in total. Five come from the General Services Harness.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 73-0137

(1) Put the two cables through the female backshell half (150), through the ground ferrule and through the male backshell half (150) through-hole of the terminal module assembly (151).
(2) Use the M81969-14-03 INSERTION EXTRACTION TOOL to install cable 8T033 into terminal C on the terminal module TM824 and cable 8T077 into terminal E on the terminal module TM817, as tagged on removal. Remove the temporary tags from the cables.
(3) Put the screen tails equally around the ground ferrule, and align the screen tails of the two cables with the screen tails of the five cables (from the General Services Harness).
(4) Push the ground ferrule along the cables to hold the screen tails against the male backshell half (150) of the terminal module assembly (151).
(5) Bend the screen tails over the ground ferrule and along the cables.
(6) Use lacing tape (Material No.V02-159) to safety the screen tails to the harness immediately behind the ground ferrule.

NOTE: Make sure that you trim any screen tails that overlap the ground ferrule when it is installed in the male backshell half (150) of the terminal module assembly (151).

(7) Install the female backshell half (150) onto the male backshell half (150) of the terminal module assembly (151).
(8) Use a PENCIL - SHARP to make a small mark on the cables to show the position of the cable clamp.
(9) Remove the female backshell half (150).
(10) Wind lacing tape (Material No.V02-159) around the cables, at the position marked with the PENCIL - SHARP, to hold them in the correct position.
(11) Apply the locking compound.

CAUTION: MAKE SURE THAT THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

(a) Apply two drops of the locking compound (Material No.V08-026) opposite each other, on the threads of the male backshell half (150).
(12) Install the female backshell half (150) onto the male backshell half (150) of the terminal module assembly (151). TORQUE the female backshell half (150) to between 11 and 9 lbf.in (0.12 and 0.10 m.daN )

.
(13) Wind the V02-148adhesive tape (electrical) around the cables at the clamp position so that the clamp will hold the harness tightly.

NOTE: Make sure that the cables have enough bend radii to prevent a sharp angle at the attachment to the terminal modules TM817 and TM824.

(14) Apply one drop of locking compound (Material No.V08-026) onto the threads of the two screws (152) and (153).
(15) Attach the cable clamp with the two screws (152) and (153).
(16) TORQUE the two screws (152) and (153) to between 20 and 10 lbf.in (0.23 and 0.11 m.daN )

.
(17) Put the cover (147) on the terminal module assembly (151) and attach the cover with the screws (148) and (149) and washer (155).
(18) TORQUE the screws (148) and (149) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

Subtask 71-51-42-410-060-A ** ON A/C NOT FOR ALL

E. Install the two cables on the terminal modules TM81714/3-D-A1 and TM81714/3-D-B1.

NOTE: There are seven cables in total. Five come from the General Services Harness.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

SBE 73-0137: Engine - Powerplant - Installation of new terminal block assembly

PRE SBE 71-0275

(1) Put the two cables through the female backshell (150) half, through the ground ferrule and through the male backshell half (150) through-hole of the terminal module assembly (151).
(2) Use the M81969-14-03 INSERTION EXTRACTION TOOL to install cable 8T033 into terminal C on the terminal module TM81714/3-D-B1 and cable 8T077 into terminal E on the terminal module TM81714/3-D-A1 as tagged on removal. Remove the temporary tags from the cables.
(3) Put the screen tails equally around the ground ferrule, and align the screen tails of the two cables with the screen tails of the five cables installed in the terminal modules (from the General Services Harness).
(4) Push the ground ferrule along the cables to hold the screen tails against the male backshell half (150) of the terminal module assembly (151).
(5) Bend the screen tails over the ground ferrule and along the cables.
(6) Use lacing tape (Material No.V02-159) to safety the screen tails to the harness immediately behind the ground ferrule.

NOTE: Make sure that you trim any screen tails that overlap the ground ferrule when it is installed in the male backshell half (150) of the terminal module assembly (151).

(7) Install the female backshell half (150) onto the male backshell half (150) of the terminal module assembly (151).
(8) Use a PENCIL - SHARP to make a small mark on the cables to show the position of the cable clamp.
(9) Remove the female backshell half (150) from the male backshell half (150) of the terminal module assembly (151).
(10) Wind lacing tape (Material No.V02-159) around the cables, at the position marked with the PENCIL - SHARP, to hold them in the correct position.
(11) Apply locking compound.

CAUTION: MAKE SURE THAT THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

.
(13) Wind the V02-148adhesive tape (electrical) around the cables at the clamp position, so that the clamp will hold the harness tightly.

NOTE: Make sure that the cables have enough bend radii to prevent a sharp angle at the attachment to the terminal modules TM81714/3-D-A1 and TM81714/3-D-B1.

(14) Apply one drop of locking compound (Material No.V08-026) to the threads of the two screws (152) and (153).
(15) Attach the cable clamp with the two screws (152) and (153).
(16) TORQUE the two screws (152) and (153) to between 20 and 10 lbf.in (0.23 and 0.11 m.daN )

.
(17) Put the cover (147) on the terminal module assembly (151) and attach the cover with the screws (148) and (149) and the washer (155).
(18) TORQUE the two screws (148) and (149) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

Subtask 71-51-42-410-063-A ** ON A/C NOT FOR ALL

F. Install the two cables on the Terminal modules TM81714/3-D-A1 and TM81714/3-D-B1.

NOTE: There are seven cables in total. Five come from the General Services Harness.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

SBE 71-0275: Engine - Engine Build Unit (EBU) - terminal module assembly - re-routing of the harness.
(1) Put the two cables through the female backshell half (150), through the ground ferrule and through the male backshell half (150) through-hole of the terminal module assembly (151).
(2) Use the M81969-14-03 INSERTION EXTRACTION TOOL to install cable 8T033 into terminal C on the terminal module TM81714/3-D-B1 and cable 8T077 into terminal E on the terminal module TM81714/3-D-A1 as tagged on removal. Remove the temporary tags from the cables.
(3) Install adhesive tape.

CAUTION: MAKE SURE THAT THE ADHESIVE TAPE IS APPLIED AT THE THROUGH-HOLE OF THE TERMINAL MODULE ASSEMBLY BRACKET TO PREVENT CHAFING.

(a) Install three layers of V02-148adhesive tape (electrical) along the length of the cables, from the terminal junctions of modules, TM81714/3-D-A1 and TM81714/3-D-B1, for a distance of approximately 6.0 in. (152 mm).

NOTE: The cables can be moved in the forward and aft direction to make sure that V02-148adhesive tape (electrical) is installed easily at the male backshell half (150) through-hole in the terminal module assembly bracket (151). The adhesive tape can be split at this point, but there must not be any gaps in the protective layers.

(4) Put the screen tails equally around the ground ferrule, and align the screen tails of the two cables with the five screen tails of the cables installed in the terminal module assembly (from the General Services Harness).
(5) Push the ground ferrule along the cables to hold the screen tails against the male backshell half (150) of the terminal module assembly (151).
(6) Bend the screen tails over the ground ferrule and along the cables.
(7) Use lacing tape (Material No.V02-159) to safety the screen tails to the harness immediately behind the ground ferrule.

NOTE: Make sure that you trim any screen tails that overlap the ground ferrule when it is installed in the male backshell half (150) of the terminal module assembly (151).

(8) Install the female backshell half (150) onto the male backshell half (150) of the terminal module assembly (151).
(9) Use a PENCIL - SHARP to make a small mark on the cables to show the position of the cable clamp.
(10) Remove the female backshell half (150) from the male backshell half (150) of the terminal module assembly (151).
(11) Wind V02-148adhesive tape (electrical) around the cables at the clamp position marked with the PENCIL - SHARP, so that the clamp will hold the harness tightly.
(12) Apply locking compound.

CAUTION: MAKE SURE THAT THE LOCKING COMPOUND IS APPLIED ONLY TO THE THREADS.

(a) Apply two drops of locking compound (Material No.V08-026) opposite each other on the threads of the male backshell half (150) of the terminal module assembly (151).
(13) Install the female backshell half (150) onto the male backshell half (150) of the terminal module assembly (151). TORQUE the female backshell half (150) to between 11 and 9 lbf.in (0.12 and 0.10 m.daN )

NOTE: Make sure that the cables have enough bend radii to prevent a sharp angle at the attachment to the terminal modules, TM81714/3-D-A1 and TM8714/3-D-B1.

.
(17) Apply 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) Apply lockwire (Material No.V02-147) to the two screws (152) and (153) (Ref. AMM TASK 20-11-11-911-001).
(18) Put the cover (147) on the terminal module assembly (151) and attach the cover with the screws (148) and (149) and the washer (155).
(19) TORQUE the two screws (148) and (149) to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

Subtask 71-51-42-420-053-A ** ON A/C NOT FOR ALL

G. Attach the harness to the front of the LP compressor/intermediate case

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 71-0177

(1) Install the spacer (4) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (3) and the spacer (4) to the engine with the bolt (1) and the washer (2) at position A.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(2) Attach the clip (5) to the engine with the bolt (6) and the washer (7) at position B.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(3) Attach the clips (10) to the engine with the bolts (9), the washers (8) and the nuts (11) at position C.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(4) Install the spacer (12) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (15) and the spacer (12) to the engine with the bolt (14), the washer (13) and the nut (16) at position D.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(5) Install the spacer (39) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (28) and the spacer (39) to the engine with the bolt (27) and the washer (26) at position E (make sure that the general services harness clip at position E is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(6) Attach the clips (30), (31), (34) and (37) to the engine with the bolts (29), (33) and (36) and the washers (32), (35) and (38) at positions F, G and H.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(7) Install the spacers (51) and (55) in the positions noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (50) and (54) and the spacers (51) and (55) to the engine with the bolts (49) and (53) and the washers (52) and (56) at positions J and K.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(8) Install the spacers (57) and (61) in the positions noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (58) and the spacers (57) and (61) to the engine with the bolt (60), the washer (59) and the nut (62) at position L (make sure that the general services harness clip at position L is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(9) Install the spacers (73), (74) and (77) in the positions noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (78) and the spacers (73), (74) and (77) to the engine with the bolt (76), the washer (75) and the nut (79) at position M (make sure that the general services harness clip at position M is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(10) Attach the clip (81) to the engine with the bolt (80) and the washer (82) at position N.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 71-0288

(11) Attach the clip (84) to the engine with the bolt (83) and the washer (85) at position P (make sure that the EEC harness clip at position P is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 71-0288

POST SBE 71-0288

(12) Attach the clip (84) to the engine with the bolt (83) at position P (make sure that the EEC harness clip at position P is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 71-0288

(13) Attach the clip (96) to the engine with the bolt (97), the washers (98) and (99) and the nut (95) at position Q (make sure that the EEC harness clip at position Q are also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 71-0288

(14) Attach the clip (100) to the engine with the bolt (103), the washers (101) and (104) and the nut (102) at position R (make sure that the EEC harness clip at position R are also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 71-0288

POST SBE 71-0288

(15) Attach the clip (100) to the engine with the bolt (103), the washer (104) and the nut (102) at position R (make sure that the EEC harness clip at position R are also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 71-0288

(16) Attach the clip (105) to the engine with the bolt (107) and the washer (106) at position S (make sure that the tube clip at this position is also attached to the engine)

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(17) Attach the clip (120) to the engine with the bolt (118), the washer (117) and the nut (119) at position T (make sure that the tube clip at this position is also attached to the engine)

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(18) Attach the clips (121), (126) and (127) to the engine with the bolts (122) and (124) and the washers (123) and (125) at positions U and V.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(19) Attach the clips (139) and (141) to the engine with the bolts (138) and (143) and the washers (140) and (142) at positions W and X.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(20) Attach the clips (144) and (154) to the engine with the bolt (145) and the washer (146) at position Y.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(21) TORQUE the nuts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The nuts (11) and (16) at positions C and D

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The nut (62) at position L

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(d) The nuts (95) and (102) at positions Q and R

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(e) The nut (119) at position T.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(22) TORQUE the bolts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The bolts (1) and (6) at positions A and B

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The bolts (27), (29), (33) and (36) at positions E, F, G and H

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(d) The bolts (80) and (83) at positions N and P

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(e) The bolt (107) at position S

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(f) The bolts (122) and (124) at positions U and V

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(g) The bolts (138) and (143) at positions W and X

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(h) The bolt (145) at position Y.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

Subtask 71-51-42-420-065-A ** ON A/C NOT FOR ALL

H. Attach the harness to the front of the LP compressor/intermediate case

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

SBE 71-0177
(1) Install the spacer (4) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (3) and the spacer (4) to the engine with the bolt (1) and the washer (2) at position A.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(2) Attach the clip (5) to the engine with the bolt (6) and the washer (7) at position B.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(3) Attach the clips (10) to the engine with the bolts (9), the washers (8) and the nuts (11) at position C.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(5) Install the spacer (39) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (28) and (40) and the spacer (39) to the engine with the bolt (27), the washer (26) and the nut (41) at position E (make sure the general services harness clip at position E is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(6) Attach the clips (30), (31), (34) and (37) to the engine with the bolts (29), (33) and (36) and the washers (32), (35) and (38) at positions F, G and H.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(10) Attach the clip (81) to the engine with the bolt (80) and the washer (82) at position N.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 71-0288

(11) Attach the clip (84) to the engine with the bolt (83) and the washer (85) at position P (make sure that the EEC harness clip at position P is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 71-0288

POST SBE 71-0288

(12) Attach the clip (84) to the engine with the bolt (83) and the washer (85) at position P (make sure that the EEC harness clip at position P is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 71-0288

(16) Attach the clip (105) to the engine with the bolt (107) and the washer (106) at position S (make sure that the tube clip at this position is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(17) Attach the clip (120) to the engine with the bolt (118), the washer (117) and the nut (119) at position T (make sure that the tube clip at this position is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(18) Attach the clips (121), (126) and (127) to the engine with the bolts (122) and (124) and the washers (123) and (125) at positions U and V.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(19) Install the spacer (156) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (139), (141) and (157) to the engine with the bolts (138) and (143) and the washers (140) and (142) at positions X and W.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(20) Install the spacer (158) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (144), (154) and (159) to the engine with the bolt (145) and the washer (146) at position Y.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(21) Install the spacers (169) and (174) in the positions noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (168) and (173) to the engine with the bolts (166) and (171), the washers (167) and (172) and the nuts (170) and (175) at positions AB and AC.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(22) Attach the clips (178), (185) and (202) to the engine with the bolts (176) and (183), the washers (177) and (184) and the nuts (179) and (186) at positions AD and AF.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 77-0014

(23) Attach the clips (182) to the engine with the bolts (180) and the washers (181) at position AE.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 77-0014

POST SBE 77-0014

(24) Attach the clips (181) and (182) to the engine with the bolts (180) at position AE.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 77-0014

(25) Install the spacer (190) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clips (189) and the spacer (190) to the engine with the bolt (187) and the washers (188) at position AG.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(26) Attach the clips (193) to the engine with the bolts (191) and the washers (192) at position AH.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 77-0014

(27) Attach the clips (196) and (200) to the engine with the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) at positions AJ and AK (make sure the EVM harness at positions AJ and AK is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 77-0014

POST SBE 77-0014

(28) Attach the clips (196), (200), (203), (204) and (205) and the spacers (206) and (207) to the engine with the bolts (194) and (198), the washers (195) and (199) and the nuts (197) and (201) at positions AJ and AK (make sure the EVM harness at positions AJ and AK is also attached to the engine).

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 77-0014

(29) TORQUE the nuts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The nuts (11) and (16) at positions C and D

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The nut (41) at position E

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(d) The nut (79) at position M

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(e) The nuts (95) and (102) at positions Q and R

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(f) The nut (119) at position T

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(g) The nuts (170) and (175) at positions AB and AC

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(h) The nuts (179) and (186) at positions AD and AF

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(i) The nuts (197) and (201) at positions AJ and AK.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(30) TORQUE the bolts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The bolts (1) and (6) at positions A and B

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The bolts (29), (33) and (36) at positions F, G and H

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(d) The bolts (80) and (83) at positions N and P

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(e) The bolt (107) at position S

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(f) The bolts (122) and (124) at positions U and V

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(g) The bolts (138) and (143) at positions W and X

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(h) The bolt (145) at position Y

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(i) The bolt (180) at position AE

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(j) The bolts (187) and (191) at positions AG and AH.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

Subtask 71-51-42-420-054-A ** ON A/C NOT FOR ALL

I. Attach the harness to the rear of the LP compressor/intermediate case

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(1) Install the spacer (4) in the position noted on removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (3) and the spacer (4) to the engine with the bolt (1) and the washer (2) at position A.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(2) Install the spacer (12) in the position noted during removal (Ref. AMM TASK 71-51-42-000-010). Attach the clip (11) and the spacer (12) to the engine with the bolt (8), the washer (9) and the nut (10) at position C.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(3) Attach the harness clips (7) and (15) to the engine with the bolts (5) and (13) and the washers (6) and (14) at positions B and D.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(4) Attach the clip (28) to the engine with the bolt (26) and the washer (27) at position E.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

PRE SBE 71-0288

(5) Attach the clips (30) and (31) to the engine with the bolt (33), the washers (32) and (38) and the nut (29) at position F.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF PRE SBE 71-0288

POST SBE 71-0288

(6) Attach the clips (30) and (31) to the engine with the bolt (33) and the nut (29) at position F.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(7) Attach the clip (37) to the engine with the bolt (34), the washer (35) and the nut (36) at position G.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

END OF POST SBE 71-0288

(8) Attach the clips (50), (53) and (55) to the engine with the bolts (48), (51) and (54) and the washers (49), (52) and (56) at positions H, J and K.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(9) Attach the clip (59) to the engine with the bolt (57) and the washer (58) at position L.

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(10) TORQUE the nuts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The nut (10) at position C

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The nuts (29) and (36) at positions F and G

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(11) TORQUE the bolts that follow to between 44 and 36 lbf.in (0.50 and 0.41 m.daN )

(Ref. AMM TASK 70-23-11-911-013):
(a) The bolts (1), (5) and (13) at positions A, B and D

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

(b) The bolt (26) at position E

EEC and Ignition Supply Harness ** ON A/C NOT FOR ALL

5. Close-up
Subtask 71-51-42-410-057-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Install the anti-ice duct No. 3 (Ref. AMM TASK 30-21-49-400-012).
(2) Install the starter duct (Ref. AMM TASK 80-13-49-400-010).

Subtask 71-51-42-410-058-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowls (Ref. AMM TASK 71-13-00-410-010):
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(5) Remove the access platform(s).

Subtask 71-51-42-865-055-A ** ON A/C NOT FOR ALL

C. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

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

Subtask 71-51-42-942-051-A ** ON A/C NOT FOR ALL

D. Remove the WARNING NOTICE(S).

Subtask 71-51-42-710-051-A ** ON A/C NOT FOR ALL

E. For test requirements:
(1) Do an operational test of the EEC (Ref. AMM TASK 73-22-34-710-040) and an operational test of the FADEC System on the ground (Ref. AMM TASK 73-22-00-710-040).

[Rev.10 from 2021] 2026.04.01 02:30:40 UTC