Removal of the ACT Fuel Inlet Valve Actuator

TASK 28-28-54-000-001-A
Removal of the ACT Fuel Inlet Valve Actuator

WARNING: OBEY THE FUEL SAFETY PROCEDURES.

FIN: 5QH1 ** ON A/C NOT FOR ALL
FIN: 5QH2 ** ON A/C NOT FOR ALL

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	SAFETY CLIP - CIRCUIT BREAKER
No specific	1	WARNING NOTICE(S)

B. Referenced Information

REFERENCE	DESIGNATION
TASK 24-42-00-861-001-A	Energize the Ground Service Network from the External Power
TASK 28-00-00-910-001-A	Fuel Safety Procedures
TASK 28-11-27-000-001-A	Removal of the Additional Center Tank (ACT)
TASK 28-11-49-000-001-A	Removal of the ACT Integrated Impact Wall
Actuator of the ACT Fuel Inlet Valve ** ON A/C NOT FOR ALL
Actuator of the ACT Fuel Inlet Valve ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 28-28-54-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001).
(2) Energize the ground service network
(Ref. AMM TASK 24-42-00-861-001).
(3) On refuel/defuel control panels 801VU and 800VU and on fuel control panel 40VU:
(a) Put a WARNING NOTICE(S) to tell persons not to operate the refuel/defuel system.

Subtask 28-28-54-010-051-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Remove the integrated impact wall from the aft cargo-compartment (Ref. AMM TASK 28-11-49-000-001).

Subtask 28-28-54-010-051-B ** ON A/C NOT FOR ALL

B. Get Access
(1) Get access to the actuator of the ACT2:
(a) Remove the integrated impact wall from the aft cargo-compartment (Ref. AMM TASK 28-11-49-000-001).
(2) Get access to the actuator of the ACT1:
(a) Remove the ACT2 from the aft cargo-compartment (Ref. AMM TASK 28-11-27-000-001).

Subtask 28-28-54-865-050-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
121VU	ACT1/REFUEL & SPLY	33QU	L29
121VU	FUEL/HI/LVL/SPLY	1QJ	L25
121VU	FUEL/RFL/DFL/SPLY	2QU	L24
121VU	FUEL/RFL/DFL/XFR/DEFUEL/VALVE	1QU	L23
121VU	ACT XFR VALVE MAN CTL	30QH	N29
121VU	ACT1/CTL & SPLY	9QH	P29
121VU	ACT PUMP SUPPLY	25QH	Q29

4. Procedure
Subtask 28-28-54-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Actuator of the ACT Fuel Inlet Valve.
(1) Disconnect the electrical connector (5) from the receptacle (6).
(2) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(3) Loosen the screw (3), then open and remove the V-clamp (2) from the actuator (1).
(4) Remove the actuator (1) from the ACT fuel inlet valve (4).

[Rev.10 from 2021] 2026.04.02 06:18:00 UTC