DOC AIRBUS | AMM A320FRemoval of the Stage 1 Booster Vane Assembly [CFMI]
TASK 72-21-00-000-004-A
Removal of the Stage 1 Booster Vane Assembly
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 72-21-00-941-063-A ** ON A/C NOT FOR ALL
Subtask 72-21-00-010-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:33:39 UTC
Removal of the Stage 1 Booster Vane Assembly
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 | WARNING NOTICE(S) |
| 856A1130 | 1 | TOOL SET - JACK SCREW |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-21-00-000-001-A | Removal of the Spinner Front Cone |
| TASK 72-21-00-000-002-A | Removal of the Spinner Rear Cone |
| TASK 72-21-00-000-003-A | Removal of the Fan Rotor Blades |
| TASK 72-23-00-000-007-A | Removal of the Splitter Fairing |
Removal/Installation of Stage 1 Booster Vane Assembly.Subtask 72-21-00-941-063-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).
4. Procedure(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 72-21-00-010-050-A ** ON A/C NOT FOR ALL
A. Preparation for Removal of the Stage 1 Booster Vane Assembly.
(1) Remove the spinner front cone (Ref. AMM TASK 72-21-00-000-001).
(2) Remove the spinner rear cone (Ref. AMM TASK 72-21-00-000-002).
(3) Remove all the fan blades (Ref. AMM TASK 72-21-00-000-003).
(4) Remove the splitter fairing (Ref. AMM TASK 72-23-00-000-007).
Subtask 72-21-00-020-051-A ** ON A/C NOT FOR ALL (1) Remove the spinner front cone (Ref. AMM TASK 72-21-00-000-001).
(2) Remove the spinner rear cone (Ref. AMM TASK 72-21-00-000-002).
(3) Remove all the fan blades (Ref. AMM TASK 72-21-00-000-003).
(4) Remove the splitter fairing (Ref. AMM TASK 72-23-00-000-007).
B. Removal of the Stage 1 Booster Vane Assembly.
(1) Remove the 24 bolts that secure the stage 1 vane assembly to the stage 2 vane assembly.
(2) Move apart stage 1 vane assembly from the stage 2 vane assembly, using jackscrews, P13, from the 856A1130 TOOL SET - JACK SCREW, on the equally spaced threaded holes located on the rear flange of the stage 1 vane assembly.
(1) Remove the 24 bolts that secure the stage 1 vane assembly to the stage 2 vane assembly.
(2) Move apart stage 1 vane assembly from the stage 2 vane assembly, using jackscrews, P13, from the 856A1130 TOOL SET - JACK SCREW, on the equally spaced threaded holes located on the rear flange of the stage 1 vane assembly.