3. Job Set-up__________
Subtask 29-13-36-860-050
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.
R Subtask 29-13-36-941-051-A
R B. Safety Precautions
R R R (1) On the ENG panel 115VU: - make sure that the ENG 2 switch is in the OFF position - put a warning notice to tell persons not to start the engine.
R R (2) Make sure that the engine 2 shutdown occurred not less than 5 minutes before you do this procedure.
R R R (3) Put a warning notice in position to tell persons not to pressurize the Yellow hydraulic system: - on the HYD section of the panel 40VU.
R R R (4) On the ENG section of the panel 50VU: - make sure that the ON legend of the ENG/FADEC/GND/PWR 2 pushbutton switch is off.
R R (5) Put a warning notice to tell persons not to energize the FADEC system.
R (6) Put a container below the connection below the check valve.
R Subtask 29-13-36-010-050-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 29-13-36-991-001)
Subtask 29-13-36-020-051
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).
(4) Put blanking plugs on the panel port (4) and on the check valve (1).
Engine 2 Pump Delivery Check Valve
Figure 401/TASK 29-13-36-991-001
1EFF : ALL 1 29-13-36 Page 404
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TASK 29-13-36-400-001
Installation of the Engine 2 Yellow Hydraulic Pump Delivery Check Valve
(3050GM).
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 warning notice
No specific access platform 1.50 m (4 ft. 11 in.)
No specific container 5 l (1.3208 USgal)
No specific Torque Wrench : range 2.00 to 20.00 m.daN
(15.00 to 150.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
C. Expendable Parts -------------------------------------------------------------------------------
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