W DOC AIRBUS | AMM A320F

Removal of the HJ13 Harness for SAC Engines [CFMB]

TASK 73-21-50-000-046-A
Removal of the HJ13 Harness for SAC Engines

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
1. Reason for the Job
This task is applicable for SAC Engines.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
CAP - BLANKING
No specific
AR
PLIERS - CONNECTOR, JAW, SOFT
No specific
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR, 451AL, 452AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR, 461AL, 462AR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-040-B
Opening of the Fan Cowl Doors
TASK 78-30-00-481-041-B
Make the Thrust Reverser Unserviceable for Maintenance
TASK 78-36-00-010-040-B
Opening of the Thrust Reverser Doors
F HJ13 Harness
F HJ13 Harness
3. Job Set-up
Subtask 73-21-50-941-086-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 73-21-50-010-106-A ** ON A/C NOT FOR ALL
B. Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040):
   (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 73-21-50-040-116-A ** ON A/C NOT FOR ALL
C. Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).
Subtask 73-21-50-010-138-A ** ON A/C NOT FOR ALL
D. Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-040):
   (1) FOR [1000EM1] (ENGINE-1)
451AL 452AR
   (2) FOR [1000EM2] (ENGINE-2)
461AL 462AR
4. Procedure
Subtask 73-21-50-020-074-A ** ON A/C NOT FOR ALL
A. Removal of the HJ13 Harness
   (1) Disconnect the HJ13 harness from the CJ13 harness bulkhead connector , in the 6 o'clock tube bundle junction box left-hand side, the fuel flowmeter, the engine oil temperature sensor, and the ECU (receptacle J13). Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove the parts which attach the HJ13 harness as follows:
REMOVE
FROM
NOTE
Nuts (240)
Bolts (250)
Plates (230)
Bracket assembly
(260)
On fan frame between flange E and
flange F, at the 5 o'clock position
(Detail F)
Bolts (10)
Cover plate
(20)
Clamp (40) on
bracket (50)
On fan frame between flange E and
flange F, at the 5:30 o'clock
position (Detail G)
Bolts (180)
Cover plate
(200)
Bracket (190)
On TGB right-hand side (Detail H)
Bolts (90)
Cover plate
(70)
Bracket (80)
On TGB right-hand side (Detail J)
Nut (160)
Bolt (140)
Clamp (170)
Bracket (150)
On TGB left-hand side (Detail K)
Nut (120)
Bolt (110)
Clamp (100)
Bracket (130)
On fuel flowmeter (Detail L)
Bolts (370)
Clamps (360)
Brackets (380)
On fan frame flanges B and C at the
6 o'clock position (2 locations)
(Detail P)
Bolts (540)
Clamps (530)
Brackets (520)
On fan frame flange B between the 6
7 o'clock positions (3 locations)
(Detail Q)
Bolt (560)
Clamp (550)
Bracket (570)
On fan frame flange B at the 7:30
o'clock position (Detail R)
Bolt (300)
Clamp (290)
Bracket (310)
On fan frame flange C at the
7:30 o'clock position (Detail S)
Bolts (510)
Clamps (490)
Bracket (500)
On fan frame flange D, at the
8:15 o'clock and 8:30 o'clock
positions, and on flange E at
the 8:45 o'clock position
(3 locations) (Detail V)
PRE SB
CFM56-5 72-079
Bolt (420)
Clamp (410)
Bracket (430)
On bracket (450) on the TGB
rear face (Detail W)
Bolt (440)
Clamp (460)
Bracket (450)
On the TGB rear face (Detail W)
POST SB
CFM56-5 72-079
Bolt (420)
Clamp (410)
Bracket (430)
On bracket (450) on the TGB
rear face (Detail W)
Nut (600))
Bolt (610))
Clamp (460)
Bracket (620)
On the TGB rear face (Detail W)
Nut (630))
Bolt (650))
Clamp (640)
END OF SB
CFM56-5 72-079
Bracket (660)
On the TGB rear face (Detail W)
   (4) Disengage the HJ13 harness from the flexible clamps (220), (30), (210), (60) on fan frame between flange E and flange F, at the 5 o'clock and 5:30 o'clock positions, on the TGB right-hand face (Details F, G, H, J).
   (5) Disengage the HJ13 harness from the clips (390, 280) on brackets (400), (270) on fan frame flange E at the 5:15 o'clock position (Detail M) and on flange C at the 5:30 o'clock position (Detail N).
   (6) Disengage the HJ13 harness from the clips (350), (330) on brackets (340), (320) on fan frame flange C at the 7:45 o'clock position (Detail T) and on flange D at the 8 o'clock position (Detail U).
   (7) Disengage the HJ13 harness from the clips (480) on bracket assemblies (470), on tube bundle (3 locations) (Detail X).
   (8) Remove the HJ13 harness from the engine.
[Rev.10 from 2021] 2026.04.01 02:59:06 UTC
"Aviabrain" 2025