Refuel/Defuel Cap - Deactivation Procedure

TASK 28-25-00-040-003-A
Refuel/Defuel Cap - Deactivation Procedure

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: 101QM ** ON A/C NOT FOR ALL
FIN: 41QM

1. Reason for the Job
CDL 28-01
Refuel/Defuel Coupling Cap 101 QM Or 41 QM
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE
No specific	AR	SAFETY BARRIER(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 28-00-00-910-001-A	Fuel Safety Procedures
Refuel/Defuel Cap - Left Wing (Right Wing)

3. Job Set-up
Subtask 28-25-00-941-071-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.

Subtask 28-25-00-010-073-A

B. Get Access
(1) Put the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE in position below the applicable refuel/defuel cap.

4. Procedure
Subtask 28-25-00-040-052-C

A. Deactivation of the Refuel/Defuel Cap
(1) Release the refuel/defuel cap (4) from the refuel/defuel coupling.
(2) Examine the refuel/defuel coupling for fuel leaks. No leaks are permitted.
(3) Remove the screw (1) and the attachment lug (2).

NOTE: The chain (3) is spring-loaded into a protection sleeve on the cap (4).

(4) Remove the refuel/defuel cap (4) and the chain (3) from the refuel/defuel coupling.
(5) Write in the aircraft technical log that the cap (4) has been removed.

5. Close-up
Subtask 28-25-00-942-071-A

A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the safety barriers.
(3) Remove the access platform(s).
(4) Remove the WARNING NOTICE(S).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.

[Rev.10 from 2021] 2026.04.02 06:17:37 UTC