DOC AIRBUS | AMM A320FInstallation of the Handcranking Drive Cover [CFMB]
TASK 72-63-00-400-002-A
Installation of the Handcranking Drive Cover
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 72-63-00-860-054-A ** ON A/C NOT FOR ALL
Subtask 72-63-00-420-058-A ** ON A/C NOT FOR ALL
Subtask 72-63-00-410-059-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:43:46 UTC
Installation of the Handcranking Drive Cover
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) |
| No specific | Torque wrench: range to between 106 and 97 lbf.in (1.20 and 1.10 m.daN )  |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.CP2101) | graphite grease |
| (Material No.CP2442) | engine oil |
| (Material No.CP8001) | lockwire 0.032 in. (0.8 mm) dia. |
| (Material No.CP8002) | lockwire 0.032 in. (0.8 mm) dia |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 30 | O-RINGS | AIPC 72-63-00-01-050 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 70-22-00-911-002-A | Locking Procedures |
| TASK 71-00-00-710-006-B | Minimum Idle Check |
| TASK 71-13-00-010-040-B | Opening of the Fan Cowl Doors |
| TASK 71-13-00-410-040-B | Closing of the Fan Cowl Doors |
| TASK 73-29-00-710-040-B | Operational Test of the FADEC on the Ground (with Engine Motoring) |
| TASK 73-29-00-710-040-B-02 | Operational Test of the FADEC on the Ground (with Engine Non motoring) |
| TASK 79-00-00-210-003-A | Visual Inspection of the Oil System |
Handcranking Drive CoverSubtask 72-63-00-860-054-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).
Subtask 72-63-00-010-073-A ** ON A/C NOT FOR ALL (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).
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
4. Procedure(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR
Subtask 72-63-00-420-058-A ** ON A/C NOT FOR ALL
A. Installation of the Handcranking Drive Cover
(2) Lubricate threads of bolts (10) with graphite grease (Material No.CP2101) .
PRE SB CFM 72-156
(3) Install the cover (40) and attach it with the two bolts (10) and washers (20).
END PRE SB CFM 72-156
POST SB CFM 72-156
(4) Install the cover (40) which is attached by the lanyard cable to the accessory gearbox and attach it with the two bolts (10) and washers (20).
END OF SB CFM 72-156
(5) TORQUE the bolts (10) to between 106 and 97 lbf.in (1.20 and 1.10 m.daN ). Safety with a CP8001 lockwire 0.032 in. (0.8 mm) dia. CP8002 lockwire 0.032 in. (0.8 mm) dia
(6) Remove protective caps from the electrical cables, Channel B (70) and Channel A (50), and from the control alternator electrical connectors.
(7) Connect the electrical cable connectors, Channel A (50) of HJ9 harness and Channel B (70) of HJ10 harness, on the control alternator (60). Tighten the connectors with your hand plus one-eighth of a turn. Use soft-jawed pliers if necessary.
Subtask 72-63-00-710-057-A ** ON A/C NOT FOR ALL CAUTION:
DO NOT INSTALL THE COVER ON THE AGB WITHOUT THE NEW O-RINGS. IF THE COVER IS INSTALLED WITHOUT THE NEW O-RINGS, THE ENGINE CAN LEAK OIL. THIS CAN CAUSE ENGINE FAILURE.
(1) Lubricate two new AIPC 72-63-00-01-050 O-RINGS (30) with engine oil (Material No.CP2442) and install them in the grooves of the cover (40). (2) Lubricate threads of bolts (10) with graphite grease (Material No.CP2101) .
PRE SB CFM 72-156
(3) Install the cover (40) and attach it with the two bolts (10) and washers (20).
END PRE SB CFM 72-156
POST SB CFM 72-156
(4) Install the cover (40) which is attached by the lanyard cable to the accessory gearbox and attach it with the two bolts (10) and washers (20).
END OF SB CFM 72-156
(5) TORQUE the bolts (10) to between 106 and 97 lbf.in (1.20 and 1.10 m.daN )
. Safety with a (6) Remove protective caps from the electrical cables, Channel B (70) and Channel A (50), and from the control alternator electrical connectors.
(7) Connect the electrical cable connectors, Channel A (50) of HJ9 harness and Channel B (70) of HJ10 harness, on the control alternator (60). Tighten the connectors with your hand plus one-eighth of a turn. Use soft-jawed pliers if necessary.
B. Test
(2) Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006) and do a check for leaks during the visual inspection of the oil system (Ref. AMM TASK 79-00-00-210-003).
5. Close-upCAUTION:
DO NOT OPERATE THE ENGINE WITHOUT A CORRECTLY INSTALLED COVER ON THE N2 HANDCRANKING DRIVE PAD. IF THE COVER IS NOT INSTALLED CORRECTLY, THE ENGINE CAN HAVE OIL LEAKAGE. THIS CAN CAUSE ENGINE FAILURE.
(1) Do an operational test of FADEC on the ground with engine motoring (Ref. AMM TASK 73-29-00-710-040). (2) Do a minimum idle check (Ref. AMM TASK 71-00-00-710-006) and do a check for leaks during the visual inspection of the oil system (Ref. AMM TASK 79-00-00-210-003).
Subtask 72-63-00-410-059-A ** ON A/C NOT FOR ALL