DOC AIRBUS | AMM A320FRemoval of the DPM Harness [CFMB]
TASK 79-21-30-000-002-A
Removal of the DPM Harness
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 79-21-30-941-052-A ** ON A/C NOT FOR ALL
Subtask 79-21-30-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 03:39:22 UTC
Removal of the DPM Harness
1. Reason for the Job
Self explanatory
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 | PLUG - BLANKING |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
Removal/Installation of the DPM HarnessSubtask 79-21-30-941-052-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 79-21-30-010-052-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 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
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 79-21-30-020-051-A ** ON A/C NOT FOR ALL
A. Removal of the DPM harness
(1) Disconnect the DPM harness from the visual indicator.
(3) Put CAP - BLANKING and PLUG - BLANKING on the connectors and the receptacles.
(1) Disconnect the DPM harness from the visual indicator.
NOTE: Disconnect the magnetic chip detector harness from the DPM harness receptacle (150). Use PLIERS - CONNECTOR, JAW, SOFT only if necessary.
(2) Remove the DPM harness as follows: | REMOVE | FROM | NOTE |
|---|---|---|
| lockwire nut (140) DPM harness receptacle (150) | bracket (160) | (detail G) |
| DPM harness | clips (100) and (120) on brackets (110) and (130) | at the 8 o'clock position on flanges C and D (detail E and F) |
| bolt (70) clamp (80) | brackets (90) | at the 8 o'clock position on flange D (detail D) |
| bolt (40) clamp (50) | brackets (60) | at the 8:30 o'clock position on flange D (detail C) |
| bolt (10) clamp (20) | brackets (30) | at the 9 o'clock position on flange |