3. Job Set-up
__________ Subtask 29-11-37-860-050
A. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system (Ref. TASK 29-23-00-864-001).
(2)
Depressurize the Green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system: - on the ground service panel 197CB.
(4)
Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.
Subtask 29-11-37-941-050
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 Green hydraulic system:
-in the cockpit, on the HYD 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.
Subtask 29-11-37-010-050
C. Get Access
(1) Open the left fan-cowl door 437AL (Ref. TASK 71-13-00-010-040).
(2) Put the access platform in position at the engine.
4. Procedure_________
(Ref. Fig. 401/TASK 29-11-37-991-001)
Subtask 29-11-37-020-050
R A. Removal of the Green Engine 1 Pump Case Drain Check Valve
R R R CAUTION : USE 2 WRENCHES TO REMOVE OR INSTALL THE TUBE COUPLING NUTS._______ ONE WRENCH TO HOLD THE UNION AND ONE TO LOOSEN OR TIGHTEN THE COUPLING NUT. THIS WILL PREVENT DAMAGE TO THE HARDWARE.
R R CAUTION : BE CAREFUL WHEN YOU REMOVE THE CHECK VALVE AS THE HYDRAULIC_______ FLUID WILL FLOW OUT.
R R (1) Disconnect the hose (2) from the check valve (1).
(2) Remove the check valve (1) with the packing (3) from the panel (4).
R (3) Put blanking plugs on the disconnected hose (2) and the panel (4).
R R (4) Discard the packing (3) from the check valve (1).
Green Engine 1 Pump Case Drain Check Valve
Figure 401/TASK 29-11-37-991-001
1EFF : ALL 1 29-11-37 Page 404
1 1 Feb 01/98
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TASK 29-11-37-400-001
Installation of the Green Engine 1 Pump Case Drain Check Valve (1041GM)
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(s)
No specific access platform 1.50 m (4 ft. 11 in.)
No specific container 5 l (1.3208 USgal)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00
to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B.
Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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