W DOC AIRBUS | AMM A320F

Removal of the HJ10 Harness for SAC Engines [CFMB]

TASK 73-21-50-000-043-A
Removal of the HJ10 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 HJ10 Harness
3. Job Set-up
Subtask 73-21-50-941-083-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 73-21-50-010-103-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 73-21-50-040-114-A ** ON A/C NOT FOR ALL
C. Make the thrust reverser unserviceable (Ref. AMM TASK 78-30-00-481-041).
Subtask 73-21-50-010-132-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 73-21-50-020-071-A ** ON A/C NOT FOR ALL
A. Removal of the HJ10 Harness
   (1) Disconnect the HJ10 harness from the T12 sensor CH. B, the control alternator CH. B, the starter air valve CH. B, the N1 speed sensor CH. B and the ECU (receptacle J10). Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
   (2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
   (3) Remove parts which attach the HJ10 harness as follows:
REMOVE
FROM
NOTE
Bolt (10)
Clamp (30)
Bracket (20)
On fan frame flange C at the
5 o'clock position (Detail D)
Bolt (60)
Clamp (50)
Bracket (40)
On fan frame flange B at the 5
o'clock position (Detail E)
Bolt (70)
Clamp (80)
Bracket (90)
On fan frame flange B at the
5:30 o'clock position (Detail F)
Bolt (120)
Clamp (110)
Bracket (100)
On fan frame flange B at the
5:45 o'clock position (Detail G)
Bolts (200)
Cover plate
(210)
Clamp (180) on
bracket (190)
On fan frame between flange F
and flange E, at the 5:30 o'clock
position (Detail K)
Bolts (230)
Cover plate (220)
Bracket (240)
On TGB right-hand side (Detail L)
Bolt (260)
Clamp (270)
Bracket (280)
On TGB right-hand side (Detail M)
Bolt (290)
Clamp (300)
Bracket (310)
On fan frame flange G, at the
5:45 o'clock position (Detail N)
Bolt (320)
Clamp (330)
Bracket (340)
On fan frame flange B, at the
5 o'clock position (Detail P)
Bolt (390)
Clamp (400)
Bracket (410)
On fan frame flange C, at the 3:30
o'clock position (Detail S)
Bolt (420)
Clamp (440)
Bracket (430)
On fan frame flange C, at the
3:30 o'clock position (Detail T)
Bolt (450)
Clamp (480)
Bracket (460) and
clamp (470) on HJ9
harness
On fan frame flange D, at the 3:30
o'clock position (Detail U)
Bolts (490)
Clamps (510)
Brackets (500)
(Four locations)
On fan frame flange C, between the
1:30 and 3 o'clock positions (Detail
V)
Bolt (520)
Clamp (540)
Bracket (530)
On fan frame flange C, at the 1
o'clock position (Detail W)
Bolt (550)
Clamp (560)
Bracket (570)
On fan frame flange B, at the 1
o'clock position (Detail X)
   (4) Disengage the HJ10 harness from the clip (140) on bracket (130), on fan frame flange C at the 5:15 o'clock position (Detail H).
   (5) Disengage the HJ10 harness from the clip (160) on bracket (150) on the fan frame flange E, at the 5:15 o'clock position under the AGB (Detail J).
   (6) Disengage the HJ10 harness from the clips (360), (380) on brackets (350), (370) on the fan frame flange C, at the 4:30 and 3:45 o'clock positions (Details Q, R).
   (7) Disengage the HJ10 harness from the flexible clamps (170), (250) on fan frame between flange E and flange F, at the 5:30 o'clock position (Detail K), and on the TGB right-hand side (Detail L).
   (8) Remove the HJ10 harness from the engine.
[Rev.10 from 2021] 2026.04.01 13:05:47 UTC
"Aviabrain" 2025