Removal of the Refuel Valve

TASK 28-25-51-000-002-A
Removal of the Refuel Valve

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:

THE FLIGHT CONTROLS
THE FLIGHT CONTROL SURFACES
THE LANDING GEAR AND THE RELATED DOORS
COMPONENTS THAT MOVE.

MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.

FIN: 10QU

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	BOLT - AN3
No specific	AR	BOLT - DIA 10-32UNF X 1.25 IN. LENGTH
No specific	AR	BOLT - NAS 1801
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
Refuel valve 10QU

3. Job Set-up
Subtask 28-25-51-941-059-A

A. Safety Precautions

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

(1) You must obey the fuel safety procedures when you do work on the fuel system (Ref. AMM TASK 28-00-00-910-001).
(2) Put the SAFETY BARRIER(S) in position.
(3) Put a WARNING NOTICE(S) in position to tell persons not to operate the main gear doors.

Subtask 28-25-51-010-052-A

B. Get Access

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR DOORS ARE CLEAR.

(1) Open the main gear doors (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable main gear door actuator.
(3) Put an ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position below the refuel valve (2).

Subtask 28-25-51-865-053-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L24
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L23
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L23
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L22

4. Procedure
Subtask 28-25-51-020-052-A

A. Removal of the Refuel Valve 10QU
(1) Disconnect the electrical connector (6).
(2) Put a blanking cap on the disconnected electrical connector.
(3) Remove the nut (4), the screw (7) and the washers (5) and (8). Disconnect the bonding strap (1).
(4) Remove the nuts (3).
(5) Put a suitable BOLT - AN3 or BOLT - NAS 1801 or BOLT - DIA 10-32UNF X 1.25 IN. LENGTH in each extractor bolt hole in the valve (2).
(6) Tighten the bolts to loosen the refuel valve (2) from the canister.
(7) Carefully remove the refuel valve (2).
(8) Remove the extractor bolts.
(9) Remove and discard the O-ring (9).

[Rev.10 from 2021] 2026.04.02 06:17:42 UTC