(2) Remove the sealant which covers the three bolts (20) and (30) in the outer platform recesses. If necessary only.
(3) Remove the three bolts (20) and (30) which attach the OGV doublet
(10) platform.
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(4) Lower the OGV doublet (10) inner platform down into the OGV inner shroud.
R (5) Move the OGV doublet (10) outer platform rearward at the necessary angle to disengage the inner platform from its recess.
R R (6) Remove the OGV doublet (10).
(7) Remove the sealant which remains on the acoustical panels.
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TASK 72-23-00-400-008
Installation of the Fan Outlet Guide Vane (OGV) Doublets
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 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. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2101 USA MIL-T-5544
graphite grease (Ref. 70-30-00)
Material No. CP2242 *
RTV 732 (Ref. 70-30-00)
C. 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 R 72-23-00-400-026 Installation of the Aft Acoustical Panels 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
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SPM 706612
72-23-00-991-300 Fig. 401
3. Job Set-up
__________
Subtask 72-23-00-860-058
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) 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 72-23-00-010-093
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
(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 72-23-00-040-065
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
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4. Procedure
_________
(Ref. Fig. 401/TASK 72-23-00-991-300)
Subtask 72-23-00-420-059
R A. Installation of the Fan Outlet Guide Vane (OGV) Doublets (Rearward)
R (1) Engage the OGV inner platform into the OGV inner shroud recess.
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