Replacement of the Outer Drain Valve of the Leak Monitor

TASK 28-13-44-920-801-A
Replacement of the Outer Drain Valve of the Leak Monitor

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 195

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	SAFETY BARRIER(S)
No specific	Torque wrench: range to between 0.825 and 0.675 m.daN (73.01 and 59.73 lbf.in )
98A28104000000	AR	PURGER - WATER DRAIN

B. Consumable Materials

REFERENCE	DESIGNATION
(Material No.01ABA1)	Turbine Fuel-- Kerosene -
(Material No.08BAA9)	Non Aqueous Cleaner-General - -
(Material No.14SBA1)	Textile-Lint free Cotton -

C. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
195	HYDRAULIC COMPT AND FAIRINGS

D. Expendable Parts

FIG.ITEM	DESIGNATION	IPC-CSN
2	O-RING	AIPC 28-13-44-01-020

E. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
Outer Drain Valve

3. Job Set-up
Subtask 28-13-44-941-051-A

A. Safety Precautions
(1) Obey the fuel safety procedure when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).
(2) Put the SAFETY BARRIER(S) in position.

4. Procedure
Subtask 28-13-44-020-051-A

A. Removal of the Outer Valve
(1) Drain possible fluids from the outer valve (3) with the 98A28104000000 PURGER - WATER DRAIN.
(2) Remove the outer valve (3) from the leak monitor (1).
(3) Remove and discard the O-ring (2).

Subtask 28-13-44-420-051-A

B. Installation of the Outer Valve
(1) Clean the component interface and/or the adjacent area with Textile-Lint free Cotton - (Material No.14SBA1) Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) Apply a thin layer of Turbine Fuel-- Kerosene - (Material No.01ABA1) on the new AIPC 28-13-44-01-020 O-RING (2).
(5) Put the O-ring (2) in position on the outer valve (3).
(6) Install the outer valve (3) in the leak monitor (1).
(7) TORQUE the outer valve (3) to between 0.825 and 0.675 m.daN (73.01 and 59.73 lbf.in )

Subtask 28-13-44-790-050-A

C. Leak Test
(1) Push and release the outer valve (3) with the 98A28104000000 PURGER - WATER DRAIN.
(2) Examine the outer valve (3) and the leak monitor (1) for leaks.
(3) Make sure that the outer valve (3) is fully closed.

5. Close-up
Subtask 28-13-44-860-051-A

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

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