DOC AIRBUS | AMM A320FRemoval of the Ultracomp
TASK 28-42-47-000-001-A
Removal of the Ultracomp
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 28-42-47-941-051-A ** ON A/C NOT FOR ALL
Subtask 28-42-47-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 07:04:07 UTC
Removal of the Ultracomp
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
FIN: 50QT ** ON A/C NOT FOR ALL
1. Reason for the JobSelf Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 1M(3 FT) |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 147AZ | |
| 148AZ |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 28-10-00-910-001-A | Safety Procedures When You Do Work in a Fuel Tank |
| TASK 28-10-00-910-002-A | Access to the Fuel Tanks and the Work Areas |
| TASK 28-25-00-650-001-A | Pressure Defuel |
| TASK 28-25-00-650-003-A | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 28-25-00-650-003-A-01 | To Drain Remaining Fuel from the Wing Tanks and the Center Tank |
| TASK 32-12-00-010-001-A | Open the Main Gear Doors for Access |
| TASK 57-17-11-000-001-A | Removal of Access Cover 147AZ(148AZ) |
| TASK 57-17-11-000-001-B | Removal of Access Cover 148AZ or/and the ACT-Equipment Support Door |
Ultracomp - Location and DetailSubtask 28-42-47-941-051-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the MLG doors.
Subtask 28-42-47-650-050-A ** ON A/C NOT FOR ALL WARNING:
BEFORE YOU DO WORK IN OR NEAR A FUEL TANK, MAKE SURE THAT YOU OBEY ALL THE SAFETY PROCEDURES. THIS WILL PREVENT INJURY TO PERSONS AND/OR DAMAGE TO THE AIRCRAFT.
(1) You must obey the fuel safety procedures (Ref. AMM TASK 28-10-00-910-001) when you do work in a fuel tank. (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the MLG doors.
B. Fuel Configuration
(1) Defuel the center tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the center tank (Ref. AMM TASK 28-25-00-650-003).
Subtask 28-42-47-865-050-A ** ON A/C NOT FOR ALL (1) Defuel the center tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the center tank (Ref. AMM TASK 28-25-00-650-003).
C. Open, safety and tag this(these) circuit breaker(s):
Subtask 28-42-47-010-051-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FUEL/FQI/CHAN/1 | 1QT | A13 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/FQI/CHANNEL/1 AND 2 | 8QT | L26 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/FQI/CHAN/2 | 2QT | M27 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | FUEL/FQI/CHANNEL/1 AND 2 | 8QT | L25 |
D. Get Access
(1) Open the LH MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the LH MLG door actuating-cylinder.
(3) Put the ACCESS PLATFORM 1M(3 FT) in position below the access panel 147AZ.
(4) Remove the access panel 147AZ, (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-17-11-000-001).
Subtask 28-42-47-010-051-B ** ON A/C NOT FOR ALL (1) Open the LH MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the LH MLG door actuating-cylinder.
(3) Put the ACCESS PLATFORM 1M(3 FT) in position below the access panel 147AZ.
(4) Remove the access panel 147AZ, (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-17-11-000-001).
D. Get Access
(1) Open the RH MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the RH MLG door actuating-cylinder.
(3) Put the ACCESS PLATFORM 1M(3 FT) in position below the access panel 148AZ.
(4) Remove the access panel 148AZ, (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-17-11-000-001).
4. Procedure(1) Open the RH MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is installed on the RH MLG door actuating-cylinder.
(3) Put the ACCESS PLATFORM 1M(3 FT) in position below the access panel 148AZ.
(4) Remove the access panel 148AZ, (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-17-11-000-001).
Subtask 28-42-47-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Ultracomp (50QT)
(1) Remove the nuts (6), (7), (8), (10) and (11) and the washers (4), (5), (9), (12) and (13).
(2) Remove the connectors of the electrical cables (1), (2), (3), (14) and (15) from the ultracomp (19).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the bolts (18) and the washers (17).
(5) Remove the ultracomp (19).
(1) Remove the nuts (6), (7), (8), (10) and (11) and the washers (4), (5), (9), (12) and (13).
(2) Remove the connectors of the electrical cables (1), (2), (3), (14) and (15) from the ultracomp (19).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the bolts (18) and the washers (17).
(5) Remove the ultracomp (19).