5. Close-up________
R Subtask 29-13-36-942-051-A
R A. Put the aircraft back to its initial configuration.
R (1) Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
R R (2) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R (3) Remove the warning notice(s).
R (4) Remove the container.
R R (5) Make sure that the work area is clean and clear of tool(s) and other items.
R (6) Remove the access platform(s).
Subtask 29-13-36-410-050-A
B. Close Access
(1) Close the left fan-cowl door 447AL (Ref. TASK 71-13-00-410-040).
CHECK VALVE - ENGINE 2 PUMP CASE DRAIN (3041GM) - REMOVAL/INSTALLATION
______________________________________________________________________ TASK 29-13-37-000-001 Removal of the Engine 2 Pump Case-drain Check Valve (3041GM) 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.
1.
Reason for the Job
__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs
No specific warning notice(s)
No specific wrench
No specific access platform 1.50 m (4 ft. 11 in.)
No specific container 5 l (1.3208 USgal)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-24-00-864-001 Depressurize the Yellow Hydraulic System R 71-13-00-010-040 Opening of the Fan Cowl Doors 29-13-37-991-001 Fig. 401
3. Job Set-up
__________ Subtask 29-13-37-860-050
A. Aircraft Maintenance Configuration
(1)
Depressurize the Yellow hydraulic system (Ref. TASK 29-24-00-864-001).
(2)
Depressurize the Yellow hydraulic reservoir (Ref. 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 29-13-37-941-051
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 below the connection between the pressure hose (2) and the fluid disconnect panel (4) to collect the remaining fluid.
R Subtask 29-13-37-010-050-A
R C. Get Access
R (1) Open the left fan-cowl door 447AL (Ref. TASK 71-13-00-010-040).
R (2) Put the access platform in position at the engine.
4. Procedure_________
(Ref. Fig. 401/TASK 29-13-37-991-001)
Subtask 29-13-37-020-051
A. Removal of the Check Valve
CAUTION : BE CAREFUL WHEN YOU REMOVE THE CHECK VALVE AS THE HYDRAULIC_______ FLUID WILL FLOW OUT.
(1) Hold the check valve (1) with a wrench and disconnect the hose (2).
(2) Put blanking plugs on the disconnected hose (2) and on the check valve (1).
(3) Remove the check valve (1) with the O-ring (3) from the panel (4).
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