W DOC AIRBUS | AMM A320F

Installation of the Inlet Cone [IAE]

TASK 72-38-11-400-010-A
Installation of the Inlet Cone

WARNING: DO NOT LET ENGINE OIL STAY ON YOUR SKIN FOR A LONG TIME. FLUSH THE OIL FROM YOUR SKIN WITH WATER. THE OIL IS POISONOUS AND CAN GO THROUGH YOUR SKIN AND INTO YOUR BODY.
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
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
MAT - WORK
No specific
AR
WARNING NOTICE(S)
No specific
Torque wrench: range to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.V01-124)
Isopropyl Alcohol, Technical grade
(Material No.V10-077)
lubricant (engine oil)
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 70-23-11-911-013-A
General Torque Tightening Techniques
TASK 70-30-00-918-010-A
Consumable Materials Index
TASK 72-38-11-000-010-A
Removal of the Inlet Cone
F Inlet Cone
F Torque Tighten Sequence
F SBE 72-0318 - Lubrication of the Strip Seals
3. Job Set-up
Subtask 72-38-11-860-050-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 MAT - WORK is in position in the intake cowl.
Subtask 72-38-11-110-050-A ** ON A/C NOT FOR ALL
B. Clean the mounting flange surfaces
F Inlet Cone ** ON A/C NOT FOR ALL
   (1) Make a Textile-Lint free Cotton - (Material No.14SBA1) moist with the V01-124Isopropyl Alcohol, Technical grade. Clean the two mounting flange surfaces of the inlet cone (3) and the retaining ring (5).
Subtask 72-38-11-210-051-A ** ON A/C NOT FOR ALL
C. Make sure that the two mounting flange surfaces have no damage.
4. Procedure
Subtask 72-38-11-420-050-A ** ON A/C NOT FOR ALL
A. Install the inlet cone
F Inlet Cone ** ON A/C NOT FOR ALL
   (1) Align the bolt holes in the inlet cone (3) and the front blade retaining ring (5) when you put them together.
   (2) Make sure that the mark which identifies each trim balance weight (6) (if installed) is aligned with the same mark on the retaining ring (5).
   (3) Lubricate the threads of the 18 bolts (7) with clean V10-077lubricant (engine oil) (Ref. AMM TASK 70-30-00-918-010). Put the inlet cone (3) in position on the retaining ring (5). Install the bolts (7), the washers (8) and the trim balance weights (6) (if installed) at the positions 1 thru 18
F Torque Tighten Sequence ** ON A/C NOT FOR ALL
NOTE: Do not use the six bolt holes at the positions 19 thru 24 that are adjacent to the six locatings pins (4) at this time
F Torque Tighten Sequence ** ON A/C NOT FOR ALL
These bolt holes and locating pins will be used for the installation of the fairing (1).
NOTE: Install the trim balance weights to the bolt holes which is identified by (Ref. AMM TASK 72-38-11-000-010).
NOTE: Install the washer at the bolt hole where a trim balance weight is not installed. Do not install the washer at the bolt hole where the trim balance weight is installed.
   (4) TORQUE the bolts (7), 1 thru 18, to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T in sequence (Ref. AMM TASK 70-23-11-911-013)
F Torque Tighten Sequence ** ON A/C NOT FOR ALL
   (5) Repeat the torque sequence to make sure the 18 bolts (7) are at the correct torque value.
Subtask 72-38-11-410-050-A ** ON A/C NOT FOR ALL
B. Install the fairing
F Inlet Cone ** ON A/C NOT FOR ALL

PRE SBE 72-0318

   (1) Engage the six locating holes (2) in the fairing (1) with the six locating pins (4) on the inlet cone flange.
   (2) Lubricate the threads of the six bolts (10) with clean V10-077lubricant (engine oil). Put the fairing (1) in position on the inlet cone (3). Install the six bolts (10) at positions 19 thru 24.
F Torque Tighten Sequence ** ON A/C NOT FOR ALL
   (3) TORQUE the six bolts (10) to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T in sequence 19 thru 24 (Ref. AMM TASK 70-23-11-911-013).
F Torque Tighten Sequence ** ON A/C NOT FOR ALL

END OF PRE SBE 72-0318


POST SBE 72-0318

   (4) Lubricate the faces on the six strip seals of the fairing (1) with V10-077lubricant (engine oil).
F SBE 72-0318 - Lubrication of the Strip Seals ** ON A/C NOT FOR ALL
   (5) Engage the six locating holes (2) in the fairing (1) with the six locating pins (4) on the inlet cone flange.
   (6) Lubricate the threads of the six bolts (10) with clean V10-077lubricant (engine oil). Put the fairing (1) in position on the inlet cone (3). Install the six bolts (10) at positions 19 thru 24.
F Torque Tighten Sequence ** ON A/C NOT FOR ALL
   (7) TORQUE the six bolts (10) to between 220 and 180 lbf.in (2.49 and 2.03 m.daN ) T in sequence 19 thru 24 (Ref. AMM TASK 70-23-11-911-013).
F Torque Tighten Sequence ** ON A/C NOT FOR ALL

END OF POST SBE 72-0318

Subtask 72-38-11-110-051-A ** ON A/C NOT FOR ALL
C. Cleaning
   (1) Make a clean Textile-Lint free Cotton - (Material No.14SBA1) moist with the V01-124Isopropyl Alcohol, Technical grade. Clean all the marks (if written) from the outer surface of the retaining ring.
5. Close-up
Subtask 72-38-11-942-051-A ** ON A/C NOT FOR ALL
A. Remove the support equipment
   (1) Remove the workmat.
   (2) Remove the WARNING NOTICE(S).
[Rev.10 from 2021] 2026.04.01 12:56:02 UTC
"Aviabrain" 2025