DOC AIRBUS | AMM A320FAdjustment of the Cockpit Door - Clearance C around the Cockpit Door
TASK 52-51-00-820-806-A
Adjustment of the Cockpit Door - Clearance C around the Cockpit Door
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 52-51-00-860-130-A
Subtask 52-51-00-820-059-A
Subtask 52-51-00-410-060-A
[Rev.10 from 2021]
2026.04.02 07:23:58 UTC
Adjustment of the Cockpit Door - Clearance C around the Cockpit Door
ZONE: 220
1. Reason for the JobNOTE: Two persons are necessary to do this procedure.
2. Job Set-up InformationA. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 220 | FWD CAB UTILITY AREAS |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 52-51-00-710-002-A | Operational Test of the Cockpit-Door Locking System (CDLS) |
| TASK 52-51-00-820-001-A | Adjustment of the Cockpit Door, Electrical Release Strikes and Latch Mechanisms |
Cockpit Door - Adjustment of Clearance CSubtask 52-51-00-860-130-A
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
Subtask 52-51-00-865-150-A (1) Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 52-51-00-010-065-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 122VU | DOORS/PAX/MONG | 1MQ | T13 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | DOORS CKPT LOCK | 1MQ | T13 |
| 122VU | COCKPIT DOOR LOCK SYSTEM | 1MQ | T13 |
C. Get Access
(1) Remove the screw (3), the washer (4) and the cover (5) from the upper hinge (6).
4. Procedure(1) Remove the screw (3), the washer (4) and the cover (5) from the upper hinge (6).
Subtask 52-51-00-820-059-A
A. Adjustment of the Cockpit Door - Clearance C around the Cockpit Door
(1) If necessary, use the FLASHLIGHT to do the adjustment of clearance C.
(2) Adjust lateral clearance C of the cockpit door (2) as follows:
(a) Use the GAGE - SET, FEELER to measure clearance C between the cockpit door (2) and the lavatory wall (1) at the upper latch mechanism.
(b) Make sure that clearance C is between 9.00 mm (0.3543 in.) and 10.00 mm (0.3937 in.).
(c) If clearance C is not in the limits, adjust it as follows:
1 Loosen the adjustment screws (7) and (8) of the upper hinge (6).
.
4 TORQUE the adjustment screw (8) of the upper hinge (6) to between 22 and 18 m.N (16.22 and 13.27 lbf.ft ).
Subtask 52-51-00-865-157-A (1) If necessary, use the FLASHLIGHT to do the adjustment of clearance C.
(2) Adjust lateral clearance C of the cockpit door (2) as follows:
(a) Use the GAGE - SET, FEELER to measure clearance C between the cockpit door (2) and the lavatory wall (1) at the upper latch mechanism.
(b) Make sure that clearance C is between 9.00 mm (0.3543 in.) and 10.00 mm (0.3937 in.).
(c) If clearance C is not in the limits, adjust it as follows:
1 Loosen the adjustment screws (7) and (8) of the upper hinge (6).
NOTE: This will let the notch of the upper hinge body move to the groove of the upper hinge clamp-plate.
2 Move the cockpit door (2) until lateral clearance C is correct. NOTE: The cockpit door (3) weighs approximately 35 kg (77.1618 lb).
3 TORQUE the adjustment screw (7) of the upper hinge (6) to between 16.5 and 13.5 m.N (146.02 and 119.47 lbf.in ) . 4 TORQUE the adjustment screw (8) of the upper hinge (6) to between 22 and 18 m.N (16.22 and 13.27 lbf.ft )
. B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-51-00-710-070-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 122VU | DOORS/PAX/MONG | 1MQ | T13 |
| ** ON A/C NOT FOR ALL | |||
| 122VU | DOORS CKPT LOCK | 1MQ | T13 |
| 122VU | COCKPIT DOOR LOCK SYSTEM | 1MQ | T13 |
C. Operational Test of the Cockpit Door and the Latch Mechanism
(1) Do an operational test of the cockpit door (2) and the latch mechanism (Ref. AMM TASK 52-51-00-710-002).
(2) If the results of the test are unsatisfactory or you cannot adjust clearance C as in step 4.A:
(a) Do the adjustment procedure of the cockpit door (2), the electrical release strikes and the latch mechanisms (Ref. AMM TASK 52-51-00-820-001).
5. Close-up(1) Do an operational test of the cockpit door (2) and the latch mechanism (Ref. AMM TASK 52-51-00-710-002).
(2) If the results of the test are unsatisfactory or you cannot adjust clearance C as in step 4.A:
(a) Do the adjustment procedure of the cockpit door (2), the electrical release strikes and the latch mechanisms (Ref. AMM TASK 52-51-00-820-001).
Subtask 52-51-00-410-060-A
A. Close Access
(1) Put the cover (5), the washer (4) and the screw (3) in position on the upper hinge (6).
(2) Tighten the screw (3).
Subtask 52-51-00-860-131-A (1) Put the cover (5), the washer (4) and the screw (3) in position on the upper hinge (6).
(2) Tighten the screw (3).
B. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002).