Removal of the Electrical Load Sensing Device

TASK 27-44-51-000-802-A
Removal of the Electrical Load Sensing Device

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 TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

ZONE: 310

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	AR	WARNING NOTICE(S)
98D27403500000	1	PITCH TRIM CONTROL LOCKING

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
310	FUSLG TAIL SECTION AFT OF AFT PRESS BHD
312AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-864-001-A	Put the Related Hydraulic System in the Depressurized Configuration before Maintenance Action
Electrical Load Sensing Device (ELSD)
Electrical Load Sensing Device (ELSD) ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 27-44-51-010-068-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position.
(2) Open the access door 312AR.

Subtask 27-44-51-860-071-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.

(1) Make sure that the hydraulic systems are depressurized and put them in the maintenance configuration
(Ref. AMM TASK 29-00-00-864-001).
(2) Put the WARNING NOTICE(S) in position to tell persons not to pressurize the Green, the Yellow and the Blue hydraulic systems:

in the cockpit on the hydraulic section 40VU of the overhead panel,
on the ground service panels of the Green, the Yellow and the Blue hydraulic systems.

(3) Put the WARNING NOTICE(S) in the flight compartment to tell persons not to operate the pitch controls.
(4) Put the 98D27403500000 PITCH TRIM CONTROL LOCKING on the pitch-trim control wheel in the flight compartment.

Subtask 27-44-51-865-071-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
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B11
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B09
** ON A/C NOT FOR ALL
49VU	FLIGHT CONTROLS/ELAC1/NORM/SPLY	15CE1	B06
49VU	FLIGHT CONTROLS/THS/ACTR/MOT2	19CE2	B04
** ON A/C ALL
105VU	FLT CTL/ELAC1/STBY SPLY	16CE1	A01
121VU	FLIGHT CONTROLS/THS ACTR/MOT3	19CE3	Q17
121VU	FLIGHT CONTROLS/THS ACTR/MOT1	19CE1	Q16
** ON A/C NOT FOR ALL
121VU	THS ACTR/ELSD	95CE	Q15
** ON A/C NOT FOR ALL
121VU	THS ACTR/ELSD	95CE	P15

4. Procedure
Subtask 27-44-51-020-055-A

A. Removal of the Electrical Load Sensing Device (ELSD)
(1) Remove the bonding strap (10):
(a) Remove the nut (13), the washer (12), the bolt (9), the lanyard of the protective cap EN3645-F3B0 (8) and the bonding strap (10) from the ELSD (11).
(2) Remove the ELSD (11):
(a) Remove the nuts (2), the locking washers (3) and the springboxes (4) from the axes of the ELSD (11).
(b) Discard the locking washers (3).
(3) Remove the ELSD (11) and the bushes (14) from the secondary upper attachment (5) and the structure lug (1).

Subtask 27-44-51-020-055-B ** ON A/C NOT FOR ALL

A. Removal of the Electrical Load Sensing Device (ELSD)
(1) Disconnect the electrical connector (8):
(a) Disconnect the electrical connector (8) from the ELSD (11).
(b) Put the CAP - BLANKING on each disconnected electrical connector and receptacle.
(2) Remove the bonding strap (10):
(a) Remove the nut (13), the washer (12), the bolt (9) and the bonding strap (10) from the ELSD (11).
(3) Remove the ELSD (11):
(a) Remove the nuts (2), the locking washers (3) and the springboxes (4) from the axes of the ELSD (11).
1 Discard the locking washers (3).
(b) Remove the ELSD (11) and the bushes (14) from the secondary upper attachment (5) and the structure lug (1).

[Rev.10 from 2021] 2026.03.31 23:51:19 UTC