DOC AIRBUS | AMM A320FInstallation of the Stage 1 Booster Vane Assembly [CFMI]
TASK 72-21-00-400-004-A
Installation of the Stage 1 Booster Vane Assembly
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 72-21-00-860-053-A ** ON A/C NOT FOR ALL
Subtask 72-21-00-480-056-A ** ON A/C NOT FOR ALL
Subtask 72-21-00-869-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:33:39 UTC
Installation of the Stage 1 Booster Vane Assembly
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | GUN - HOT AIR |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 110 and 100 lbf.in (1.24 and 1.13 m.daN )  | |
| 856A2703 | 1 | PIN,GUIDE-FAN STATOR STAGE 1/4 |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP1039) | acetone |
| (Material No.CP1041) | isopropyl alcohol |
| (Material No.CP2011) | stoddard solvent |
| (Material No.CP2101) | graphite grease |
| (Material No.CP2559) | ardrox 552 |
| (Material No.CP2560) | turco ind 79 |
| (Material No.CP2566) | mag-chem teksol |
| (Material No.CP2584) | degreasol 99 R |
| (Material No.CP2656) | mag-chem skysol |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-21-00-400-001-A | Installation of the Spinner Front Cone |
| TASK 72-21-00-400-002-A | Installation of the Spinner Rear Cone |
| TASK 72-21-00-400-003-A | Installation of the Fan Rotor Blades |
| TASK 72-23-00-400-007-A | Installation of the Splitter Fairing |
Removal/Installation of Stage 1 Booster Vane Assembly.Subtask 72-21-00-860-053-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) is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
4. Procedure(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) is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
Subtask 72-21-00-480-056-A ** ON A/C NOT FOR ALL
A. Install the 3 guide pins, 856A2703 PIN,GUIDE-FAN STATOR STAGE 1/4 (856A2703G01), equally spaced on vane assembly, stage 2.
Subtask 72-21-00-110-051-A ** ON A/C NOT FOR ALL B. Clean the Mating Faces.
(1) Thoroughly clean the mating faces of the stage 1 and stage 2 vanes assemblies with acetone (Material No.CP1039) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) or isopropyl alcohol (Material No.CP1041) .
Subtask 72-21-00-420-053-A ** ON A/C NOT FOR ALL (1) Thoroughly clean the mating faces of the stage 1 and stage 2 vanes assemblies with acetone (Material No.CP1039) or stoddard solvent (Material No.CP2011) or ardrox 552 (Material No.CP2559) or turco ind 79 (Material No.CP2560) or mag-chem teksol (Material No.CP2566) or degreasol 99 R (Material No.CP2584) or mag-chem skysol (Material No.CP2656) or isopropyl alcohol (Material No.CP1041) .
C. Preparation and Installation of the Stage 1 Vane Assembly.
(2) Install the stage 1 vane assembly.
(3) Align the offset holes and use the 3 guide pins, to install the stage 1 vane assembly on the booster assembly.
Subtask 72-21-00-080-052-A ** ON A/C NOT FOR ALL WARNING:
USE THERMAL GLOVES WHEN YOU MOVE OR TOUCH HOT OR COLD PARTS. HOT OR COLD PARTS CAN CAUSE INJURY.
(1) Increase the temperature of the forward flange of stage 2 vane assembly to between 75 deg.C (167.00 deg.F) and 85 deg.C (185.00 deg.F) with a GUN - HOT AIR. (2) Install the stage 1 vane assembly.
(3) Align the offset holes and use the 3 guide pins, to install the stage 1 vane assembly on the booster assembly.
D. Remove the guide pins, 856A2703 PIN,GUIDE-FAN STATOR STAGE 1/4 (856A2703G01), apply a thin layer of graphite grease (Material No.CP2101) on the threads of bolts and seat the stage 1 vane assembly with 24 bolts.
Subtask 72-21-00-220-052-A ** ON A/C NOT FOR ALL E. Do a check of the seating of the stage 1 vane assembly on the stage 2 vane assembly with 0.001 in. (0.025 mm) feeler gage.
Subtask 72-21-00-420-065-A ** ON A/C NOT FOR ALL F. Install the Fan Components.
(1) Let the parts return to ambient temperature and TORQUE the bolts to between 110 and 100 lbf.in (1.24 and 1.13 m.daN ).
(2) Install the splitter fairing (Ref. AMM TASK 72-23-00-400-007).
(3) Install all the fan blades (Ref. AMM TASK 72-21-00-400-003).
(4) Install the spinner rear cone (Ref. AMM TASK 72-21-00-400-002).
(5) Install the spinner front cone (Ref. AMM TASK 72-21-00-400-001).
5. Close-up(1) Let the parts return to ambient temperature and TORQUE the bolts to between 110 and 100 lbf.in (1.24 and 1.13 m.daN )
. (2) Install the splitter fairing (Ref. AMM TASK 72-23-00-400-007).
(3) Install all the fan blades (Ref. AMM TASK 72-21-00-400-003).
(4) Install the spinner rear cone (Ref. AMM TASK 72-21-00-400-002).
(5) Install the spinner front cone (Ref. AMM TASK 72-21-00-400-001).
Subtask 72-21-00-869-059-A ** ON A/C NOT FOR ALL
A. Make sure that the work area is clean and clear of tools and other items.
Subtask 72-21-00-942-058-A ** ON A/C NOT FOR ALL B. Remove the WARNING NOTICE(S).