Removal of the Loudspeakers

TASK 31-53-21-000-001-A
Removal of the Loudspeakers

ZONE: 210
FIN: 7WW
FIN: 8WW

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

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD

C. Referenced Information

REFERENCE	DESIGNATION
Loudspeaker

3. Job Set-up
Subtask 31-53-21-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 7WW (LOUD SPEAKERCAPT)
49VU	CAPT/LOUD/SPKR	5WW	F10
FOR FIN: 8WW (LOUD SPEAKERF/O)
121VU	EIS/F/O/LOUD/SPKR	4WW	P08

4. Procedure
Subtask 31-53-21-020-050-A

A. Removal of the Loudspeakers
(1) FOR [7WW] (LOUD SPEAKER-CAPT)
Remove the thermoformed cover from the left instrument panel.
(a) FOR [8WW] (LOUD SPEAKER-F/O)
Remove the thermoformed cover from the right instrument panel.
(2) Loosen the four locking screws (3). Hold the loudspeaker (4).
(3) Remove the loudspeaker (4) from its housing (5).
(4) Disconnect the connector (1) from its receptacle (2).
(5) Remove the loudspeaker (4).
(6) Put CAP - BLANKING on the electrical connectors (1) and (2).

[Rev.10 from 2021] 2026.04.01 00:37:23 UTC