DOC AIRBUS | AMM A320FInspection/Check of the Spinner Cone [CFMB]
TASK 72-21-00-210-005-A
Inspection/Check of the Spinner Cone
1. Reason for the Job
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 72-21-00-941-078-A ** ON A/C NOT FOR ALL
Subtask 72-21-00-210-055-A ** ON A/C NOT FOR ALL
Subtask 72-21-00-420-076-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:41:11 UTC
Inspection/Check of the Spinner Cone
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE |
| No specific | 1 | MAT - PROTECTIVE |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2216) | Loctite 496 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 72-00-00-200-025-A | Over-Serviceable-Limit Extensions |
| TASK 72-00-00-200-025-A-01 | Over-Serviceable-Limit Extensions |
| TASK 72-21-00-000-005-A | Removal of the Spinner Front Cone |
| TASK 72-21-00-000-006-A | Removal of the Spinner Rear Cone |
| TASK 72-21-00-300-001-A | Replacement of the Crimped Self-Locking Nuts on the Spinner Rear Cone |
| TASK 72-21-00-400-005-A | Installation of the Spinner Front Cone |
| TASK 72-21-00-400-006-A | Installation of the Spinner Rear Cone |
| TASK 72-55-00-960-002-A | Replacement of LPT Shaft Plug O-rings |
Subtask 72-21-00-941-078-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) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
(5) Install MAT - PROTECTIVE in the lower half of the inlet cowl.
Subtask 72-21-00-020-072-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).
(4) Put an ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE in position.
(5) Install MAT - PROTECTIVE in the lower half of the inlet cowl.
B. Remove the Spinner Cone.
(1) Remove the spinner front cone (Ref. AMM TASK 72-21-00-000-005)
(2) Remove the spinner rear cone (Ref. AMM TASK 72-21-00-000-006)
4. Procedure(1) Remove the spinner front cone (Ref. AMM TASK 72-21-00-000-005)
(2) Remove the spinner rear cone (Ref. AMM TASK 72-21-00-000-006)
Subtask 72-21-00-210-055-A ** ON A/C NOT FOR ALL
A. Inspection of the spinner cone
5. Close-up| INSPECT/CHECK | MAXIMUM SERVICEABLE LIMITS | REMARKS |
|---|---|---|
| 1.Spinner front cone for: | | |
| A.Cracks | Not serviceable. | Install a new or serviceable spinner front cone (Ref. AMM TASK 72-21-00-400-005). |
| B.Nicks, dents and scratches. | No limited quantity. | |
| C.Loose or missing bonded washer. | Not serviceable. | Reinstall washer using Loctite 496 (Material No.CP2216) and hold it in pressure. |
| D.Tip erosion. | No limit if radius is not greater than 0.28 in. (7.1 mm) after blending. | Do blending procedure to maximum serviceable limits or install a new serviceable spinner front cone (Ref. AMM TASK 72-21-00-400-005). |
| E.Corrosion marks (white mushroom pattern) before part removal. | These corrosion marks are not serviceable. | Refer to over serviceable (Ref. AMM TASK 72-00-00-200-025). |
| F.Swirl pattern faded or missing anti erosion paint. | Any amount is permitted. | |
| 2.Spinner rear cone for: | | |
| A.Cracks | Not serviceable. | Install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). |
| B.Dents | No limited quantity. | |
| C.Damaged surface protection. | No limit if not greater than 10 percent of total surface. | If more than 10 percent of total surface, install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). |
| D.Missing self-locking nuts | Not serviceable | Replace nuts (Ref. AMM TASK 72-21-00-300-001) or install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). |
| E.Self-locking nuts with loss of self-locking quality. | Not serviceable if running torque is less than 4 lbf.in (0.05 m.daN). | Replace nuts (Ref. AMM TASK 72-21-00-300-001) or install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). |
| F.Self-locking nuts with axial looseness. | Not more than 0.008 in. (0.2 mm). | Crimp again (no crack permitted) or replace nuts (Ref. AMM TASK 72-21-00-300-001). |
| G.Self-locking nuts with lateral looseness. | Not more than 0.008 in. (0.2 mm). | Replace nuts (Ref. AMM TASK 72-21-00-300-001) or install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). |
| H.Oil wetting at inner of spinner cone or fan disk or forward fan shaft. | None permitted. | Refer to limit extensions (Ref. AMM TASK 72-00-00-200-025). Replace O-rings on the LPT shaft plug (Ref. AMM TASK 72-55-00-960-002). |
| J.Seal ring tears. | Maximum cumulated length 0.4 in. (10 mm). | Refer to limit extensions (Ref. AMM TASK 72-00-00-200-025). Install a new or serviceable spinner rear cone (Ref. AMM TASK 72-21-00-400-006). NOTE: Whenever serviceable limits for the following are exceeded, refer to the over-serviceable limit extension if necessary (Ref. AMM TASK 72-00-00-200-025). |
Subtask 72-21-00-420-076-A ** ON A/C NOT FOR ALL
A. Install the Spinner Cone.
(1) Install the spinner rear cone (Ref. AMM TASK 72-21-00-400-006).
(2) Install the spinner front cone (Ref. AMM TASK 72-21-00-400-005).
Subtask 72-21-00-869-073-A ** ON A/C NOT FOR ALL (1) Install the spinner rear cone (Ref. AMM TASK 72-21-00-400-006).
(2) Install the spinner front cone (Ref. AMM TASK 72-21-00-400-005).
B. Make sure that the work area is clean and clear of tools and other items.
Subtask 72-21-00-942-072-A ** ON A/C NOT FOR ALL C. Close Access
(1) Remove the MAT - PROTECTIVE from the inlet cowl.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).
(1) Remove the MAT - PROTECTIVE from the inlet cowl.
(2) Remove the access platform(s).
(3) Remove the WARNING NOTICE(S).