Fuel Manifold Gasket Seals
Figure 401/TASK 73-11-31-991-300
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____ remove some of the external engine hardware.
(1) Place container 5 USgal (18.9 l) below the fuel manifold (220). Remove the tube cap assembly (70 and 135) from drain tube (75 and 140). Keep the tube cap assembly for installation.
(2) Remove the bolts (40) and nuts (35) that attach the Rotor Active Clearance Control (RACC) fuel manifold (65) and Low Pressure Turbine Clearance Control (LPTCC) fuel manifold (62) to the fuel manifold (220).
(3) Remove the bolts (85) and nuts (80) that attach the TCC fuel manifold
(105) and PCR fuel manifold (130) to the fuel manifold (220).
(4) Remove the gasket seals (45) between the flanges of the fuel manifold (220), the RACC fuel manifold (65) and LPTCC fuel manifold (62). Discard of the gasket seals (45).
(5) Remove the gasket seals (90 and 110) between the flanges of the fuel manifold (220), the TCC fuel manifold (105) and PCR fuel manifold (130). Discard of the gasket seals (90 and 110).
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TASK 73-11-31-400-041
Installation of the Fuel Manifold Gasket Seals
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 access platform 1 m (3 ft. 3 in.)
No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
R 45 gasket seal 73-11-31 01A-070 R 45 gasket seal 73-11-31 01A-070A R 90 gasket seal 73-11-31 01A-040 R 90 gasket seal 73-11-31 01A-040A R 90 gasket seal 73-11-31 01A-040B R 110 gasket seal 73-11-31 01A-040 R 110 gasket seal 73-11-31 01A-040A R 110 gasket seal 73-11-31 01A-040B R
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C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-00-00-710-006 Minimum Idle Check 71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 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 73-11-31-991-300 Fig. 401
3. Job Set-up
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Subtask 73-11-31-860-051
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.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the access platform is in position.
Subtask 73-11-31-010-055
B. Get Access
(1) Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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(2) Make sure that the thrust reverser doors are open (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 73-11-31-040-053
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
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(Ref. Fig. 401/TASK 73-11-31-991-300)
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