Removal of the Halon Filter

TASK 26-23-14-000-001-A
Removal of the Halon Filter

FIN: 5010WM ** ON A/C NOT FOR ALL
FIN: 5011WM ** 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	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
162CW, 826
825

C. Referenced Information

REFERENCE	DESIGNATION
TASK 25-28-41-000-001-A	Removal of the Textile Floor Covering
TASK 25-55-12-000-003-A	Removal of the Sidewall Panels in the Aft Cargo Compartment - FR59/FR65
TASK 52-30-00-860-001-A	Open the FWD or Aft Cargo-Compartment Door with the Yellow Electric Pump
TASK 53-42-12-000-001-A	Removal of the Cabin Floor Panels from FR47 thru FR64
Halon Filter ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 26-23-14-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL2	8WX	C05
49VU	AIR COND/CARGO/FIRE/EXTIG/BTL1	1WX	C04
** ON A/C NOT FOR ALL
49VU	AIR COND/CARGO FIRE/EXTIG/BTL2	8WX	C04
49VU	AIR COND/CARGO/FIRE/EXTIG/BTL1	1WX	C03
** ON A/C NOT FOR ALL
122VU	AIR COND/CARGO/FIRE/EXTIG	1WX	T19

Subtask 26-23-14-010-050-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the FWD cargo-compartment door 825.
(2) Open the FWD cargo compartment door 825 (Ref. AMM TASK 52-30-00-860-001).
(3) Set the CARGO COMPT LIGHT switch 6LU to the ON position.
(4) Remove the protection panel 132MW.

Subtask 26-23-14-010-050-C ** ON A/C NOT FOR ALL

B. Get Access
(1) For aircraft without Additional Center Tanks (ACT) 1 and 2 installed:
(a) Open aft cargo-compartment door 826 (Ref. AMM TASK 52-30-00-860-001).
(b) Set CARGO COMPT LIGHT switch 8LU to the ON position.
(c) Remove sidewall panel 162CW (Ref. AMM TASK 25-55-12-000-003).
(2) For aircraft with ACT 1 and 2 installed:
(a) In the aft cabin, remove the center textile-floor covering between frames 62 and 64 (Ref. AMM TASK 25-28-41-000-001).
(b) Remove floor panel 251DH (Ref. AMM TASK 53-42-12-000-001).
(c) Remove access panel 161EC from the ceiling of the aft cargo compartment.
(d) In the bulk cargo compartment, remove sidewall panel 162CW (Ref. AMM TASK 25-55-12-000-003).

4. Procedure
Subtask 26-23-14-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Halon Filter

NOTE: The removal procedure is the same for the halon filters 5010WM and 5011WM.

(1) Loosen the nuts (4) and disconnect the pipes (5) from the halon filter (1).
(2) Remove the lockwire:

WARNING: USE PROTECTIVE GOGGLES AND GLOVES WHEN YOU REMOVE OR INSTALL LOCKWIRE. EACH TIME YOU CUT LOCKWIRE, REMOVE AND DISCARD IT IMMEDIATELY. LOOSE LOCKWIRE CAN CUT YOU OR MAKE YOU BLIND, AND/OR CAN CAUSE DAMAGE.

(a) Remove and discard the lockwire from the unions (3).
(3) Remove the unions (3) from the halon filter (1).

NOTE: Retain the unions (3) for the installation.

(4) Remove and discard the O-rings (2).
(5) Remove the screws (7) and the washers (6).
(6) Remove the halon filter (1).
(7) Put the PLUG-BLANKING in each disconnected line end.
(8) Put PLUG - BLANKING on the open ports of the halon filter (1).

[Rev.10 from 2021] 2026.04.02 06:58:12 UTC