Removal of the Refuel Valve

TASK 28-25-51-000-001-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: 7QU
FIN: 8QU

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 4M (13 FT)
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	CAP - BLANKING
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	AR	SAFETY BARRIER(S)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [7QU] (VALVE-REFUEL, L WING TK)
522JB
FOR [8QU] (VALVE-REFUEL, R WING TK)
622JB

C. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
Refuel Valve 7QU (8QU)

3. Job Set-up
Subtask 28-25-51-941-058-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 the cockpit to tell persons not to operate the slats.

Subtask 28-25-51-865-050-A

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B06
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1	5CV	B01
** 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 ALL
121VU	FLIGHT CONTROLS/SLT/CTL/SYS2	7CV	R21
** ON A/C NOT FOR ALL
121VU	FUEL/RFL/DFL/SPLY	2QU	L23
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L22

Subtask 28-25-51-010-051-A

C. Get Access
(1) Put the ACCESS PLATFORM 4M (13 FT) in position, below access panel 522JB (622JB).
(2) Remove the applicable access panel:

(a) FOR [7QU] (VALVE-REFUEL, L WING TK)
remove 522JB

(b) FOR [8QU] (VALVE-REFUEL, R WING TK)
remove 622JB.
(3) Put a CONTAINER 5 L (1.32 USGAL) below the refuel valve.

4. Procedure
Subtask 28-25-51-020-051-A

A. Removal of the Refuel Valve 7QU, (8QU)
(1) Disconnect the electrical connector (1).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Remove the nut (7) and the screw (6). Disconnect the bonding strap (4).
(4) Remove the nuts (2).
(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 (3).
(6) Tighten the bolts to loosen the refuel valve (3) from the canister.
(7) Carefully remove the valve (3).
(8) Remove the extractor bolts.
(9) Remove and discard the O-ring (5).

[Rev.10 from 2021] 2026.04.02 06:17:41 UTC