Removal of the Engine 2 Pump Suction Quick-Disconnect Coupling Half

TASK 29-13-39-000-040-A
Removal of the Engine 2 Pump Suction Quick-Disconnect Coupling Half

WARNING: OBEY THE HYDRAULIC SAFETY PROCEDURES.

WARNING: DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.

CAUTION: DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.

FIN: 3038GM ** 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) - ADJUSTABLE
No specific	AR	CONTAINER 5 L (1.32 USGAL)
No specific	AR	COVER - BLANKING
No specific	AR	WARNING NOTICE(S)

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
447AL

C. Referenced Information

REFERENCE	DESIGNATION
TASK 29-14-00-614-001-A	Depressurization of the Hydraulic Reservoirs
TASK 29-24-00-864-001-A	Depressurize the Yellow Hydraulic System
TASK 71-13-00-010-040-A	Opening of the Fan Cowl Doors
Engine 2 Pump Suction Quick-Disconnect Coupling Half

3. Job Set-up
Subtask 29-13-39-860-053-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) Depressurize the Yellow hydraulic system (Ref. AMM TASK 29-24-00-864-001).
(2) Depressurize the Yellow hydraulic reservoir (Ref. AMM TASK 29-14-00-614-001).
(3) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:

on the ground service panel 198CB.

(4) Put WARNING NOTICE(S) on the access door 195BB to tell persons not to pressurize the Yellow hydraulic reservoir.

Subtask 29-13-39-941-050-A ** ON A/C NOT FOR ALL

B. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:

put WARNING NOTICE(S) to tell persons not to start the engine.

(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) Put WARNING NOTICE(S) in position to tell persons not to pressurize the Yellow hydraulic system:

in the cockpit, on the HYD section of the overhead panel 40VU.

(4) On the overhead maintenance panel 50VU:

make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.

(5) Put WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
(6) Put a CONTAINER 5 L (1.32 USGAL) below the suction hose coupling half (5) connection to the fluid disconnect panel to collect the remaining fluid.

Engine 2 Pump Suction Quick-Disconnect Coupling Half ** ON A/C NOT FOR ALL

Subtask 29-13-39-010-050-A ** ON A/C NOT FOR ALL

C. Get Access
(1) Open the left fan-cowl door 447AL (Ref. AMM TASK 71-13-00-010-040).
(2) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the engine.

4. Procedure
Subtask 29-13-39-020-051-A ** ON A/C NOT FOR ALL

A. Removal of the Engine 2 Pump Suction Quick-Disconnect Coupling Half
(1) Disconnect the hose coupling half (5) from the panel.
(2) Hold the suction hose up and remove the coupling half (5). This prevents a flow of hydraulic fluid.
(3) Put COVER - BLANKING on the fluid disconnect panel and the suction hose.

[Rev.10 from 2021] 2026.04.01 00:20:50 UTC