Removal of the ADF Loop and Sense Antenna
TASK 34-53-11-000-001-A
Removal of the ADF Loop and Sense Antenna
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 34-53-11-861-050-A
Subtask 34-53-11-020-051-A
[Rev.10 from 2021]
2026.04.01 01:02:59 UTC
Removal of the ADF Loop and Sense Antenna
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobSelf Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 6M (20 FT) |
| No specific | AR | CAP - BLANKING |
| No specific | AR | SAFETY CLIP - CIRCUIT BREAKER |
| No specific | 1 | SCRAPER - NON METALLIC |
| No specific | 1 | TAPE - MASKING |
| 98L12003001000 | 1 | HARNESS,SAFETY |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BBD1) | Non Aqueous Cleaner-- Isopropyl Alcohol - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 240 | MID PASSENGER COMPARTMENT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-42-00-861-001-A | Energize the Ground Service Network from the External Power |
Subtask 34-53-11-861-050-A
A. Aircraft Maintenance Configuration
(1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
Subtask 34-53-11-865-050-A (1) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
B. Open, safety and tag this(these) circuit breaker(s):
Subtask 34-53-11-010-050-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | NAV/ADF/1 | 1RP1 | H14 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | NAV PROBES/ADF/1 | 1RP1 | F09 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | COM NAV/ADF/2 | 1RP2 | K02 |
C. Get Access
(1) Put on a safety harness:
(2) Put the ACCESS PLATFORM 6M (20 FT) in position.
4. Procedure(1) Put on a safety harness:
WARNING:
BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
(a) Put on and attach a 98L12003001000 HARNESS,SAFETY before you start work in the work area. (2) Put the ACCESS PLATFORM 6M (20 FT) in position.
Subtask 34-53-11-020-051-A
A. Removal of the ADF Loop and Sense Antenna
(1) Remove the bolts (1) from the antenna (2).
(2) Lift the antenna (2) until you can see the coaxial cable connector (5).
(3) Disconnect the coaxial cable connector (5) from the antenna connector.
(5) Remove the antenna (2).
(6) Remove and discard the gasket (4).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Put TAPE - MASKING around the coaxial cable (6) and attach it to the fuselage.
(9) Remove the sealant with a SCRAPER - NON METALLIC and clean the fuselage structure with the Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
(1) Remove the bolts (1) from the antenna (2).
(2) Lift the antenna (2) until you can see the coaxial cable connector (5).
(3) Disconnect the coaxial cable connector (5) from the antenna connector.
NOTE: The coaxial cable (6) must not go into the fuselage.
(4) Remove and discard the O-ring (3). (5) Remove the antenna (2).
(6) Remove and discard the gasket (4).
(7) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(8) Put TAPE - MASKING around the coaxial cable (6) and attach it to the fuselage.
(9) Remove the sealant with a SCRAPER - NON METALLIC and clean the fuselage structure with the Non Aqueous Cleaner-- Isopropyl Alcohol - (Material No.08BBD1) .
ADF Loop and Sense Antennas