Removal of the Normal-Brake Supply Pressure-Transducer

TASK 32-42-22-000-001-A
Removal of the Normal-Brake Supply Pressure-Transducer

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: OBEY THE HYDRAULIC SAFETY PROCEDURES.

ZONE: 140
FIN: 96GG ** 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	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	CAP - BLANKING
No specific	1	CONTAINER 3 L(3/4 USGAL)
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER
No specific	2	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
140	CENTER WING

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-00-00-910-002-A	Safety Procedures of the Hydraulic System
TASK 29-10-00-864-001-A	Depressurize the Green Hydraulic System
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 32-12-00-010-001-A	Open the Main Gear Doors for Access
Normal-Brake Supply Pressure-Transducer

3. Job Set-up
Subtask 32-42-22-010-050-A ** ON A/C NOT FOR ALL

A. Get Access
(1) Open the left or the right MLG door (Ref. AMM TASK 32-12-00-010-001).
(2) Put the ACCESS PLATFORM 2M (6 FT) in position.

Subtask 32-42-22-860-050-A ** ON A/C NOT FOR ALL

B. Aircraft Maintenance Configuration
(1) Make sure that the Green hydraulic system is depressurized
(Ref. AMM TASK 29-10-00-864-001).
(2) Depressurize the reservoir of the Green hydraulic system
(Ref. AMM TASK 29-14-00-614-001).
(3) Put a WARNING NOTICE(S) in position to tell persons not to pressurize the Green hydraulic system:

on the panel 40VU in the cockpit
on the ground service panel of the Green hydraulic system.

(4) Put a CONTAINER 3 L(3/4 USGAL) below the normal-brake supply pressure-transducer (10) to collect the hydraulic fluid leakage.

Subtask 32-42-22-865-050-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
49VU	ABCU &/Y BRK/PRESS IND	61GG	C10
** ON A/C NOT FOR ALL
49VU	HYDRAULIC/G HYD/PUMP ENG1/CTL	1701GK	H12
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/G HYD/PUMP ENG1/CTL	1701GK	R35
** ON A/C NOT FOR ALL
121VU	ABCU/HOT BUS/SPLY	110GG	P30
121VU	HYDRAULIC/G HYD/PUMP ENG1/MONG	1702GK	R34
** ON A/C NOT FOR ALL
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/SPLY	4GG	M36
121VU	HYDRAULIC/BRAKING AND STEERING/SYS2/CTL	3GG	M35
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/CTL	1GG	M34
121VU	HYDRAULIC/BRAKING AND STEERING/SYS1/IND AND/SPLY	2GG	M33
** ON A/C NOT FOR ALL
121VU	ABCU/HOT BUS/SPLY	110GG	P31
121VU	HYDRAULIC/G HYD/PUMP ENG1/MONG	1702GK	R33

4. Procedure
Subtask 32-42-22-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Pressure Transducer (96GG)

Normal-Brake Supply Pressure-Transducer ** ON A/C NOT FOR ALL

(1) Obey the hydraulic safety procedures (Ref. AMM TASK 29-00-00-910-002).
(2) Disconnect the electrical connector (9).
(3) Put the CAP-BLANKING on each disconnected electrical connector and receptacle.
(4) Remove the nut (8), the bolt (4), the washer (5) and the bonding strap (6) from the clamp (7).
(5) Remove the clamp (7) from the pressure transducer (10).
(6) Hold the pressure transducer (10) and remove the bolts (3) and the washers (2).
(7) Remove the pressure transducer (10) from the manifold (1).
(8) Remove and discard the packing (11).
(9) Install the CAP - BLANKING in the open ports of the pressure transducer (10) and the manifold (1).

[Rev.10 from 2021] 2026.04.01 00:47:55 UTC