Installation of the Lavatory-Occupied Signs (WJ)

TASK 33-26-23-400-001-A
Installation of the Lavatory-Occupied Signs (WJ)

ZONE: 220
ZONE: 260
FIN: 13WJ
FIN: 14WJ ** ON A/C NOT FOR ALL
FIN: 23WJ ** ON A/C NOT FOR ALL
FIN: 25WJ ** ON A/C NOT FOR ALL
FIN: 3WJ

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

REFERENCE	QTY	DESIGNATION
No specific	1	STEPLADDER 1.0 M (3.3 FT)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
220	FWD CAB UTILITY AREAS
260	AFT CABIN UTILITY AREA

C. Referenced Information

REFERENCE	DESIGNATION
TASK 33-26-00-710-001-A	Operational Test of the Lavatory Lighted Signs WJ
Lavatory-Occupied Sign

3. Job Set-up
Subtask 33-26-23-865-054-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	LAV FWD-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-OCCUPIED	1WJ	F01
** ON A/C ALL
2001VU	LAVATORY AFT-OCCUPIED	11WJ	B04

Subtask 33-26-23-941-052-A

B. Make sure that the STEPLADDER 1.0 M (3.3 FT) is in position below the lavatory-occupied sign.

4. Procedure
Subtask 33-26-23-420-050-B

A. Installation of the Lavatory-Occupied Sign

Lavatory-Occupied Sign

(1) Clean the component interfaces and the adjacent area.
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Remove the CAP-BLANKING from each electrical connector and receptacle.

CAUTION: REFER TO THE MATCH MARKS MADE DURING THE REMOVAL WHEN YOU CONNECT THE ELECTRICAL WIRES. INCORRECT CONNECTION OF THE WIRES WILL CAUSE DAMAGE TO EQUIPMENT.

CAUTION: MAKE SURE THAT THE ELECTRICAL CONNECTORS ARE CLEAN BEFORE YOU DISCONNECT OR CONNECT THEM. CONTAMINATION ON THE ELECTRICAL CONNECTORS CAN CAUSE DAMAGE TO EQUIPMENT.

(4) Connect the electrical connectors (4) to the sign housing (5).
(5) Install the sign housing (5) with the washers (3) and the screws (2).
(6) Install the lens (1) on the sign housing (5).
Make sure that you hear a click when the lens (1) locks in position.

Subtask 33-26-23-865-055-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
2000VU	LAV FWD-OCCUPIED	1WJ	F01
** ON A/C NOT FOR ALL
2000VU	LAV FWD & MID-OCCUPIED	1WJ	F01
** ON A/C ALL
2001VU	LAVATORY AFT-OCCUPIED	11WJ	B04

Subtask 33-26-23-710-050-A

C. Operational Test
(1) Do the test of the lavatory lighted signs (Ref. AMM TASK 33-26-00-710-001).

5. Close-up
Subtask 33-26-23-942-051-A

A. Put the aircraft back to the serviceable condition.
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the stepladder.

[Rev.10 from 2021] 2026.04.01 00:53:57 UTC