Removal of the Individual Air Outlet

TASK 21-24-19-000-001-A
Removal of the Individual Air Outlet

NOTE: The removal procedures for the individual air outlets are the same. Thus, only one procedure is given.

FIN: 4056HM
FIN: 4200HM ** ON A/C NOT FOR ALL

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	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-41-00-861-002-A	Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01	Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02	Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 25-25-00-00	PASSENGER SERVICE INFORMATION UNITS (PSIU) - DESCRIPTION AND OPERATION
Individual Air Outlets

3. Job Set-up
Subtask 21-24-19-861-050-A

A. Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002)

Subtask 21-24-19-865-053-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	AIR COND/RECIRC FAN/R/SPLY	3HG	W18
122VU	AIR COND/RECIRC FAN/L/SPLY	1HG	X18

Subtask 21-24-19-010-050-A

C. Get Access

Individual Air Outlets

(1) For the locations of the air outlet panels (3) or (9), refer to Para. Component Location (Ref. AMM D/O 25-25-00-00).

4. Procedure
Subtask 21-24-19-020-050-A

A. Removal of the Individual Air Outlet

Individual Air Outlets

(1) Remove the section hoses (5) from the support rails (1) and (2).
(2) If the air outlet panel (3) (PN Z345H series) is installed:
(a) Disengage the right side of the air outlet panel (3) from the support rail (2) and lower the air outlet panel (3).
(b) Disconnect the flexible hose (6).
(c) Remove the air outlet panel (3) from the support rail (1).
(3) If the individual air outlets (8) (PN 2966-xx series) are installed:

NOTE: Each air outlet panel (9) can have one or two or three individual air outlets (8).

(a) Disengage the right side of the air outlet panel (9) from the support rail (2) and lower the air outlet panel (9).
(b) Disconnect the flexible hose (6).
(c) Remove the air outlet panel (9) from the support rail (1).
(d) Loosen the screws of the clamps (10) and remove the air outlet plenum (7) and the clamps (10).
(e) Remove the plastic ring nut (11) and the individual air outlet (8) from the air outlet panel (9).
(4) Put the PLUG-BLANKING in each disconnected line end.

[Rev.10 from 2021] 2026.04.01 04:55:34 UTC