Removal of the VOR Antenna

TASK 34-55-11-000-001-A
Removal of the VOR Antenna

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.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

ZONE: 324
FIN: 4RS

1. Reason for the Job
Self Explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	SCRAPER - NON METALLIC
No specific	AR	WARNING NOTICE(S)
98L12003001000	1	HARNESS,SAFETY

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
324	VERTICAL STABILIZER TIP
324AT

C. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 55-34-11-000-001-A	Removal of the Vertical Stabilizer Tip
VOR Antenna 4RS Solution 1 (S/N 001-331) / Solution 2 (S/N 332 and subsequent) ** ON A/C NOT FOR ALL
VOR Antenna 4RS ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 34-55-11-861-050-A

A. Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).

Subtask 34-55-11-865-050-A

B. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	NAV/VOR/1	2RS1	G13
121VU	COM NAV/VOR/2	2RS2	K08

Subtask 34-55-11-010-050-A

C. Get Access
(1) In the cockpit, put the WARNING NOTICE(S) in position to tell persons not to operate the flight controls.
(2) 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.
(3) Put the ACCESS PLATFORM 12M (40 FT) - ADJUSTABLE in position at zone 324.
(4) Remove vertical stabilizer tip 324AT (Ref. AMM TASK 55-34-11-000-001).

4. Procedure
Subtask 34-55-11-020-051-B ** ON A/C NOT FOR ALL

A. Removal of the VOR Antenna
(1) Solution 1 (VOR antenna S/N 001-331):
(a) Disconnect the coaxial cable connectors (2) from the antenna connectors (3).
(b) Remove sealant from the head of the screws (5) with a SCRAPER - NON METALLIC.
(c) Remove the screws (5), washers (4) and antenna (1).

(2) Solution 2 (VOR antenna S/N 332 and subsequent):
(a) Disconnect the coaxial cable connectors (2) from the antenna connectors (3).
(b) Remove the sealant from the head of the screws (5) with a SCRAPER - NON METALLIC.
(c) Remove the screws (5), washers (4), isolation washers (6) and antenna (1).
(d) If necessary, remove the isolation washers from the bottom of the antenna (1).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.

Subtask 34-55-11-020-051-D ** ON A/C NOT FOR ALL

A. Removal of the VOR Antenna
(1) Disengage the coaxial cable connectors (6) from the clamps (5).
(2) Disconnect the coaxial cable connectors (6) from the VOR antenna connectors (7).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the sealant from the head of the bolt (2) with a SCRAPER - NON METALLIC.
(5) Remove the bolts (1) and (2) and the washers (4).
(6) Remove the VOR antenna (3).

[Rev.10 from 2021] 2026.04.01 04:05:55 UTC