B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems
after Operation of the PTU 71-13-00-010-040 Opening of the Fan Cowl Doors 29-11-43-991-903 Fig. 401
3. Job Set-up
__________ Subtask 29-11-43-860-055
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 29-11-43-941-055
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 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 case drain filter. Subtask 29-11-43-010-054
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 29-11-43-991-903) Subtask 29-11-43-020-054
A. Removal of the Case Drain Filter
(1) Disconnect the upper case drain hose/tube (15) from the union (20) on the filter assembly (30).
NOTE : Use a second wrench to hold the union on the filter assembly
____ when you loosen the coupling nut on the hose/tube.
(2)
Disconnect the lower case drain hose (45) from the elbow (40) on the filter assembly (30).
(3)
Remove the union (20) and the packing (25) from the filter assembly (30).
(4)
Remove the elbow (40), the nut (35) and the packing (25) from the filter assembly (30).
(5)
Remove the bolts (5) and the washers (10) that attach the filter assembly (30) to the support bracket.
(6)
Remove the filter assembly (30) from the engine.
(7)
Put protective covers on the open ports of the filter assembly (30), the hose/tube (15), the union (20), the elbow (40) and the hose (45).
(8)
Remove the container that was used to collect the hydraulic fluid.
Engine-Pump Case-Drain Filter
Figure 401/TASK 29-11-43-991-903
1EFF : ALL 1 29-11-43 Page 404
1 1 Feb 01/98
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TASK 29-11-43-400-041
Installation of the Engine-Pump Case-Drain Filter (1084GM)
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)
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