DOC AIRBUS | AMM A320FRemoval of the PS13 Line [CFMB]
TASK 72-23-00-000-029-A
Removal of the PS13 Line
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 72-23-00-941-086-A ** ON A/C NOT FOR ALL
Subtask 72-23-00-020-065-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 12:59:51 UTC
Removal of the PS13 Line
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 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| 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 PS13 LineSubtask 72-23-00-941-086-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 72-23-00-010-103-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. Get Access
(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(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.
4. Procedure(1) Open the fan cowl doors: (Ref. AMM TASK 71-13-00-010-040)
(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.
Subtask 72-23-00-020-065-A ** ON A/C NOT FOR ALL
A. Removal of the PS13 Line
(2) Disconnect the PS13 line from the PS13 boss on the fan frame.
(3) Cut and remove the lockwire.
(4) Disconnect the PS13 line from the ECU.
(5) Remove the parts which attach the PS13 line to the fan frame as follows:
CAUTION:
USE 2 WRENCHES TO REMOVE/INSTALL THE TUBE UNION NUT: ONE TO HOLD THE FITTING, THE OTHER TO LOOSE/TORQUE THE NUT. OTHERWISE, DAMAGE TO THE HARDWARE CAN OCCUR.
(1) Cut and remove the lockwire. (2) Disconnect the PS13 line from the PS13 boss on the fan frame.
(3) Cut and remove the lockwire.
(4) Disconnect the PS13 line from the ECU.
(5) Remove the parts which attach the PS13 line to the fan frame as follows:
| REMOVE | FROM | NOTE |
|---|---|---|
| Nut (10) Bolt (40) | Bracket (20) on flange F | At the 4:45 o'clock position (Detail B) |
| Nut (80) Bolt (50) Clamp (70) | Bracket (60) on flange F | At the 4:30 o'clock position (Detail C) |
| Nut (120) Bolt (90) Clamp (100) | Bracket (110) on flange F | At the 4 o'clock position (Detail D) |
| Nut (140) Bolt (130) Clamp (160) | Bracket (150) on flange F | At the 3:45 o'clock position (Detail E) |
| Nuts (200) Bolts (170) Clamps (190) | Brackets (180) on flange G | At the 3 o'clock, 2 o'clock and 1:30 o'clock positions (3 locations) (Detail F) |
| Nut (240) Bolt (210) Clamp (230) | Bracket (220) on flange G | At the 2:30 o'clock position (Detail G) |