DOC AIRBUS | AMM A320FRemoval of the Cadensicon
TASK 28-42-16-000-001-A
Removal of the Cadensicon
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 28-42-16-941-054-A ** ON A/C NOT FOR ALL
Subtask 28-42-16-020-050-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:18:07 UTC
Removal of the Cadensicon
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.
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 4M (13 FT) |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [19QT1] (CADENSICON-RIB 2-3, L WNG TK INR GROUP A) | |
| 540AB | |
| FOR [19QT2] (CADENSICON-RIB 2-3, R WNG TK INR GROUP A) | |
| 640AB | |
| 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 57-27-11-000-001-A | Removal of the Access Panel |
Cadensicon 19QT1(19QT2)Subtask 28-42-16-941-054-A ** ON A/C NOT FOR ALL
A. Safety Precautions
(2) Put the SAFETY BARRIER(S) in position.
Subtask 28-42-16-650-052-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) Put the SAFETY BARRIER(S) in position.
B. Fuel Configuration
(1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
Subtask 28-42-16-010-050-A ** ON A/C NOT FOR ALL (1) Defuel the applicable fuel tank (Ref. AMM TASK 28-25-00-650-001).
(2) Drain the remaining fuel from the applicable fuel tank (Ref. AMM TASK 28-25-00-650-003).
C. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT) in position below the applicable access panel 540AB, 640AB.
(2) Remove the applicable wing access panel (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-27-11-000-001):
(a) FOR [19QT1] (CADENSICON-RIB 2-3, L WNG TK INR GROUP A)
remove 540AB
(b) FOR [19QT2] (CADENSICON-RIB 2-3, R WNG TK INR GROUP A)
remove 640AB.
Subtask 28-42-16-865-050-A ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 4M (13 FT) in position below the applicable access panel 540AB, 640AB.
(2) Remove the applicable wing access panel (Ref. AMM TASK 28-10-00-910-002), (Ref. AMM TASK 57-27-11-000-001):
(a) FOR [19QT1] (CADENSICON-RIB 2-3, L WNG TK INR GROUP A)
remove 540AB
(b) FOR [19QT2] (CADENSICON-RIB 2-3, R WNG TK INR GROUP A)
remove 640AB.
D. Open, safety and tag this(these) circuit breaker(s):
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FUEL/FQI/CHAN/1 | 1QT | A13 |
| 121VU | FUEL/FQI/CHANNEL/1 AND 2 | 8QT | L26 |
| 121VU | FUEL/RFL/DFL/SPLY | 2QU | L24 |
| 121VU | FUEL/RFL/DFL/XFR/DEFUEL/VALVE | 1QU | L23 |
| 121VU | FUEL/FQI/CHAN/2 | 2QT | M27 |
Subtask 28-42-16-020-050-A ** ON A/C NOT FOR ALL
A. Removal of the Cadensicon 19QT1 (19QT2)
(2) Remove the bolts (2) and the cadensicon (1) from the support bracket (3).
(3) Installation of the transport pin:
(b) Tilt the cadensicon (1) until the counterweight and the float go to the maximum top position.
(c) Install the transport pin (10) in the cadensicon (1).
(d) Lock the transport pin (10) with its movable clip.
CAUTION:
MAKE MATCH MARKS ON ALL THE ELECTRICAL WIRES BEFORE YOU DISCONNECT THEM. INCORRECT CONNECTION OF WIRES WILL CAUSE DAMAGE TO EQUIPMENT.
CAUTION:
DO NOT PULL THE WIRE WHEN YOU DISCONNECT AN ELECTRICAL CABLE. YOU MUST ONLY PULL THE PLASTIC HOUSING TO REMOVE THE CONNECTION. THIS WILL PREVENT DAMAGE TO THE ELECTRICAL CABLES.
(1) Disconnect the electrical connectors (4) from the cadensicon (1) and put CAP - BLANKING on the electrical connectors (4). (2) Remove the bolts (2) and the cadensicon (1) from the support bracket (3).
(3) Installation of the transport pin:
NOTE: Cadensicon part numbers 796-809-5 and 796-809-6 do not have the transport pins installed.
(a) You must install a transport pin if you want to repair cadensicon part number 796-809-6A. (b) Tilt the cadensicon (1) until the counterweight and the float go to the maximum top position.
(c) Install the transport pin (10) in the cadensicon (1).
(d) Lock the transport pin (10) with its movable clip.