Removal of the Leak Monitor

TASK 28-13-44-000-001-A
Removal of the Leak Monitor

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

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	PLUG - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
98A28104000000	1	PURGER - WATER DRAIN

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
191JB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 53-35-13-000-001-A	Removal of the Belly Fairing Access Panels
Leak Monitor

3. Job Set-up
Subtask 28-13-44-941-050-A

A. Safety Precautions
(1) On the overhead panel 25VU make sure that the switch 2LV BEACON ON-OFF is in the OFF position.
(2) Obey the fuel safety procedure (Ref. AMM TASK 28-00-00-910-001).

Subtask 28-13-44-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
122VU	LIGHTING/EXT LT/BEACON/LOWER	5LV	U03

Subtask 28-13-44-010-050-A

C. Get Access
(1) Remove the access panel 191JB on the left side of the belly fairing (Ref. AMM TASK 53-35-13-000-001).
(2) Disconnect the electrical connector from the lower beacon/strobe light.
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.

4. Procedure
Subtask 28-13-44-020-050-A

A. Removal of the Leak Monitor (500QM)
(1) Drain the leak monitor (4) with a 98A28104000000 PURGER - WATER DRAIN.
(2) Disconnect the pipe (1) from the leak monitor (4).

NOTE: Make sure that you do not cause damage to the pipe when you move it from the leak monitor.

(3) Remove the reducer union (2) from the leak monitor (4) and discard the O-ring (3).
(4) Put the PLUG-BLANKING in each disconnected line end.
(5) Remove the nuts (8), the washers (7) and the screws (6).
(6) Remove the leak monitor (4) and discard the O-ring (5).

[Rev.10 from 2021] 2026.04.02 06:17:14 UTC