Removal of the DME Antenna

TASK 34-51-11-000-002-A
Removal of the DME Antenna

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 121
ZONE: 127
FIN: 3SD1
FIN: 3SD2

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

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	SCRAPER - NON METALLIC

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
121	AVIONICS COMPARTMENT
127	REAR AVIONIC COMPARTMENT

C. Referenced Information

REFERENCE	DESIGNATION
DME Antenna

3. Job Set-up
Subtask 34-51-11-865-052-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 3SD1 (ANTENNADME, 1)
49VU	NAV/DME/1	1SD1	G14
FOR FIN: 3SD2 (ANTENNADME, 2)
121VU	COM NAV/DME/2	1SD2	K06

4. Procedure
Subtask 34-51-11-020-050-A

A. Removal of the DME Antenna
(1) Remove the sealant from the heads of the screws (5) with a SCRAPER - NON METALLIC.
(2) Remove the screws (5).
(3) Put the antenna (4) away from the fuselage (1).
(4) Disconnect the coaxial connector (2).
(5) Remove the antenna (4).
(6) Put CAP - BLANKING on the disconnected coaxial connectors (2) and (3).
(7) Remove and discard the O-ring seal (6).

[Rev.10 from 2021] 2026.04.01 01:02:32 UTC