W DOC AIRBUS | AMM A320F

Installation of the PS12 Line [CFMI]

TASK 72-23-00-400-006-A
Installation of the PS12 Line

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL
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)
No specific
Torque wrench: range to between 53 and 47 lbf.in (0.60 and 0.53 m.daN ) T
No specific
Torque wrench: range to between 150 and 135 lbf.in (1.70 and 1.53 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.CP2101)
graphite grease
(Material No.CP8001)
lockwire 0.032 in. (0.8 mm) dia.
(Material No.CP8002)
lockwire 0.032 in. (0.8 mm) dia
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 71-13-00-010-040-A
Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-A
Closing of the Fan Cowl Doors
TASK 73-21-60-000-001-A
Removal of the Electronic Control Unit (ECU)
TASK 73-21-60-400-001-A
Installation of the Electronic Control Unit (ECU)
F PS12 Line (Configuration One)
F PS12 Line (Configuration 2)
3. Job Set-up
Subtask 72-23-00-860-056-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.
Subtask 72-23-00-010-078-A ** ON A/C NOT FOR ALL
B. Make sure that the fan cowl doors are open (Ref. AMM TASK 71-13-00-010-040):
   (1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 72-23-00-020-071-A ** ON A/C NOT FOR ALL
C. Make sure that the Electronic Control Unit (ECU) is removed (Ref. AMM TASK 73-21-60-000-001).
4. Procedure
Subtask 72-23-00-420-057-A ** ON A/C NOT FOR ALL
A. Installation of the PS12 Line
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) Install the PS12 line in position on the engine.
   (2) Lubricate the threads of the fan frame bosses with engine fuel.
   (3) Connect the PS12 line to the fan frame nipples.
   (4) Tighten the connecting nuts by hand.
   (5) Lubricate the threads of the bolts with graphite grease (Material No.CP2101) .

PRE SB 72-308

POST SB 72-338 (Configuration One)

F PS12 Line (Configuration One) ** ON A/C NOT FOR ALL
   (6) Install the parts which attach the PS12 Line as follows:
REMOVE
FROM
NOTE
Plastic bushings (30)
Inner spring clips (40)
Outer spring clips (20)
Bolts (10)
Nuts (30)
Brackets (40) and
clamps (60)
On fan frame, from the 9
o'clock to the 7 o'clock
positions (3 locations)
(Detail F)
Plastic bushings (130)
Inner spring clips (120)
Outer spring clips (90)
Nuts (110)
Bolts (80)
Brackets (100)
On flange D, from the 9
o'clock to the 10 o'clock
positions (14 locations)
(Detail F)
Plastic bushing (190)
Inner spring clip (160)
Outer spring clip (150)
Bolts (140)
Nuts (170)
Brackets (180)
On flange E, at the 4:30
o'clock positions
(Detail G)

PRE SB 72-338

POST SB 72-308 (Configuration 2)

F PS12 Line (Configuration 2) ** ON A/C NOT FOR ALL
   (7) Install the parts which attach the PS12 Line as follows:
REMOVE
FROM
NOTE
Bolt (200)
Nut (230)
Bracket (210) and clamp
(220)
At the 7:30 o'clock
position (Detail L)
clamps (250)
Bolts (240)
Nuts (280)
Brackets (260) and clamps
(270)
At the 8 o'clock and 8:30
o'clock positions (Detail M)
Clamps (300)
Bolts (290)
Nuts (310)
Brackets (320)
On flange D, from the 9
o'clock to the 3:30 o'clock
positions (Detail N)
(16 locations)
Bolt (330)
Nut (340)
Bracket (350)
On flange D, at the 11:30
o'clock position (Detail P)
Bolt (360)
Nut (380)
Bracket (370)
At the 4 o'clock position
(Detail Q)
Clamp (420)
Bolt (410)
Nut (390)
Brackets (400)
On flange B, at the 4
o'clock position (Detail R)
Bolt (430)
Nut (450)
Bracket (440)
On flange D, at the 4:30
o'clock position (Detail S)
Clamp (470)
Bolt (460)
Nut (490)
Bracket (480)
On flange E, at the 4:30
o'clock position (Detail T)

END OF SB 72-308

END OF SB 72-338

   (8) Distribute the slack all along the line.
   (9) TORQUE the nuts to between 53 and 47 lbf.in (0.60 and 0.53 m.daN ) T.
   (10) Torque the fan frame nipples. See sheet 6 of the figure
F PS12 Line (Configuration One) ** ON A/C NOT FOR ALL
and sheet 7 of the figure
F PS12 Line (Configuration 2) ** ON A/C NOT FOR ALL
CAUTION: BEFORE YOU TIGHTEN THE NUTS OF PS12 TUBES ON THE FAN FRAME NIPPLES, MAKE SURE THE TUBES ARE NOT STRESSED AND THE ELBOW ORIENTATION IS CORRECT.
     (a) TORQUE the fan frame nipples to between 150 and 135 lbf.in (1.70 and 1.53 m.daN ) T.
   (11) Safety with CP8001lockwire 0.032 in. (0.8 mm) dia. or CP8002lockwire 0.032 in. (0.8 mm) dia.
5. Close-up
Subtask 72-23-00-420-078-A ** ON A/C NOT FOR ALL
A. Install the ECU (Ref. AMM TASK 73-21-60-400-001).
Subtask 72-23-00-410-073-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 cowl doors (Ref. AMM TASK 71-13-00-410-040):
   (3) FOR [1000EM1] (ENGINE-1)
437AL 438AR
   (4) FOR [1000EM2] (ENGINE-2)
447AL 448AR
   (5) Remove the access platform(s).
   (6) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.02 07:32:38 UTC
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