Removal of the Center Tank Fuel Quantity Indicating Probe Fused Adapters

TASK 28-42-44-000-003-A
Removal of the Center Tank Fuel Quantity Indicating Probe Fused Adapters

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.

WARNING: MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.

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)
No specific	AR	CAP - BLANKING
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 32-12-00-010-001-A	Open the Main Gear Doors for Access
Centre Tank Fuel Quantity Indicating Probe Fused Adapters - Location and Detail

3. Job Set-up
Subtask 28-42-44-941-055-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
(2) Put a WARNING NOTICE(S) in position to tell persons not to operate the MLG doors.

Subtask 28-42-44-865-055-A ** ON A/C NOT FOR ALL

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

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	FUEL/FQI/CHAN/1	1QT	A13
121VU	FUEL/FQI/CHANNEL/1 AND 2	8QT	L26
121VU	FUEL/HI/LVL/SPLY	1QJ	L25
121VU	FUEL/FQI/CHAN/2	2QT	M27

Subtask 28-42-44-010-054-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the MLG doors and install the safety devices (Ref. AMM TASK 32-12-00-010-001).
(2) Make sure that the 460005835 SLEEVE - GROUND LOCK is on the applicable MLG door actuating-cylinder.
(3) Put the ACCESS PLATFORM 3M (10 FT) in position below zone 142.

4. Procedure
Subtask 28-42-44-020-053-A ** ON A/C NOT FOR ALL

A. Removal of the Fused Adapters
(1) Disconnect the wiring connectors (1) from the fused adapters (2).
(2) Remove the fused adapters (2) from the center tank connectors (3).
(3) Put CAP - BLANKING on the disconnected electrical connectors.

[Rev.10 from 2021] 2026.04.02 06:18:11 UTC