Installation of the CAPT (F/O) Individual Air-Outlet

TASK 21-21-44-400-001-A
Installation of the CAPT (F/O) Individual Air-Outlet

ZONE: 211
ZONE: 212
FIN: 4500HM
FIN: 4501HM

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
211	COCKPIT
212	COCKPIT

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 24-42-00-862-001-A	De-energize the Ground Service Network Supplied from the External Power
TASK 31-53-21-400-001-A	Installation of the Loudspeakers
CAPT (F/O) Individual Air-Outlet

3. Job Set-up
Subtask 21-21-44-860-050-A

A. Aircraft Maintenance Configuration
(1) Make sure that the ground service network is energized
(Ref. AMM TASK 24-42-00-861-001).

Subtask 21-21-44-865-051-A

B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 4500HM (AIR OUTLETINDIVIDUAL, COCKPIT)
122VU	AIR COND/RECIRC FAN/L/CTL	2HG	X20
122VU	AIR COND/RECIRC FAN/L/SPLY	1HG	X18
FOR FIN: 4501HM (AIR OUTLETINDIVIDUAL, COCKPIT)
122VU	AIR COND/RECIRC FAN/R/CTL	11HG	W20
122VU	AIR COND/RECIRC FAN/R/SPLY	3HG	W18

4. Procedure
Subtask 21-21-44-420-050-B

A. Installation of the CAPT (F/O) Individual Air-Outlet
(1) Put the air outlet (5) in position on the duct (6).
(2) Put the duct (6) with the air outlet (5) in position on the instrument panel (1).
(3) Install the 4 screws (2) and tighten.
(4) Put the instrument panel (1) in position.
(5) Install the 3 washers (3) and the 3 screws (4). Tighten the screws.
(6) Install the loudspeaker (Ref. AMM TASK 31-53-21-400-001):
(a) FOR [4500HM] (AIR OUTLET-INDIVIDUAL, COCKPIT)
Install the loudspeaker 7WW.
(b) FOR [4501HM] (AIR OUTLET-INDIVIDUAL, COCKPIT)
Install the loudspeaker 8WW.

5. Close-up
Subtask 21-21-44-865-052-A

A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
FOR FIN: 4500HM (AIR OUTLETINDIVIDUAL, COCKPIT)
122VU	AIR COND/RECIRC FAN/L/CTL	2HG	X20
122VU	AIR COND/RECIRC FAN/L/SPLY	1HG	X18
FOR FIN: 4501HM (AIR OUTLETINDIVIDUAL, COCKPIT)
122VU	AIR COND/RECIRC FAN/R/CTL	11HG	W20
122VU	AIR COND/RECIRC FAN/R/SPLY	3HG	W18

Subtask 21-21-44-862-050-A

B. De-energize the ground service network
(Ref. AMM TASK 24-42-00-862-001).

[Rev.10 from 2021] 2026.04.02 06:10:55 UTC