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Subtask 75-31-20-620-051
D. Preserve bleed valve fuel gear motor as follows :
(1) Introduce fuel system corrosion preventive oil (Material No. CP5066) into one port of the motor.
R (2) Turn the motor shaft until fluid flows from opposite port.
(3) Install blanking plugs on orifices.
NOTE : Never insert plugs into orifices.
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(4) Put blanking plugs on the disconnected line ends.
(5) Put blanking caps on the disconnected electrical connectors.
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E 56-5B E E E TASK 75-31-20-400-002
Installation of the Bleed Valve Stop Mechanism
1. Reason for the Job
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Self Explanatory
2. Job Set-up Information
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A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 * graphite grease (Ref. 70-30-00) Material No. CP2442 * engine oil (Ref. 70-30-00) Material No. CP8001 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00) Material No. CP8002 * lockwire 0.032 in. (0.8 mm) dia. (Ref. 70-30-00)
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C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
R 50 O-ring 75-00-00 15 -110 R 50 O-ring 75-00-00 15 -110A R 50 O-ring 75-00-00 15 -170 R 50 O-ring 75-00-00 15 -170A R 80 O-ring 75-00-00 15 -120 R 80 O-ring 75-00-00 15 -120A R 80 O-ring 75-00-00 15 -180 R 80 O-ring 75-00-00 15 -180A
200 O-ring 75-31-10 01 -040 200 O-ring 75-31-10 01 -040A R
D. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 72-23-00-000-027 Removal of the Fan Duct Panels 72-23-00-400-027 Installation of the Fan Duct Panels 73-29-00-710-040 Operational Test of the FADEC on the Ground (with
Engine Motoring) 75-31-00-200-002 Manual Operation Check of the Variable Bleed Valve Doors 75-31-00-820-001 Adjustment of the Reference CLOSED Position of the VBV System 75-31-70-400-002 Installation of the Variable Bleed Valve position Sensor 78-30-00-081-041 Make the Thrust Reverser Serviceable after Maintenance 78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
75-31-20-991-300 Fig. 401
75-31-20-991-301 Fig. 402
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3. Job Set-up
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Subtask 75-31-20-860-051
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
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