4. Procedure
_________
(Ref. Fig. 401/TASK 29-13-37-991-001) Subtask 29-13-37-420-051
A. Installation of the Check Valve
(1)
Apply HYDRAULIC FLUIDS (Material No. 02-003) to the new O-ring (3).
(2)
Install the O-ring (3) on the check valve (1) (Ref. TASK 20-29-00-911-002)>
(3)
Remove the blanking plug from the panel (4).
(4)
Install the check valve (1) on the panel (4).
(5)
TORQUE the check valve (1) to between 2.82 and 5.87 m.daN (20.79 and
43.28 lbf.ft).
(6)
Remove the blanking plug from the disconnected hose (2).
(7) Connect the hose (2) to the check valve (1).
(8) TORQUE the coupling nut to between 2.43 and 2.77 m.daN (17.92 and 20.42 lbf.ft).
Subtask 29-13-37-942-052
B. Preparation for the Test
(1) Remove the container.
(2) Pressurize the Yellow hydraulic reservoir (Ref. TASK 29-14-00-614-002).
Subtask 29-13-37-710-050
C. Operational Test
(1) Do an operational test of the Yellow hydraulic system (Ref. TASK 29-13-00-710-002)
(2) During the dry motoring, make sure that there are no leaks from the check valve.
(3) Make sure that the level of the hydraulic fluid in the Yellow reservoir is correct. If necessary, fill the reservoir (Ref. TASK 12-12-29-611-001).
5. Close-up________
R Subtask 29-13-37-410-050-A
R A. Close Access
R (1) Remove the warning notice(s).
R (2) Remove the access platform(s).
R R (3) Make sure that the work area is clean and clear of tool(s) and other items.
R (4) Close the left fan-cowl door 447AL (Ref. TASK 71-13-00-410-040).
R (5) Close the door 195BB.
SELF SEALING COUPLING ENGINE 2 PUMP SUCTION (3672GM) - REMOVAL/INSTALLATION
___________________________________________________________________________ TASK 29-13-38-000-041 Removal of the Engine 2 Pump Suction Self-Sealing Coupling (3672GM) 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 circuit breaker(s) safety clip(s)
No specific protective covers
No specific warning notice(s)
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 71-13-00-010-040 Opening of the Fan Cowl Doors 29-13-38-991-901 Fig. 401
3. Job Set-up
__________ Subtask 29-13-38-860-052
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 29-13-38-941-051
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:
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