B. Referenced Information
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REFERENCE DESIGNATION
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71-13-00-010-040 Opening of the Fan Cowl Doors
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
R 71-21-11-991-303 Fig. 404
R 71-21-11-991-304 Fig. 405
3. Job Set-up
__________
Subtask 71-21-11-941-057
A. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice 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.
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(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a warning notice to tell persons not to energize the FADEC 1(2).
(4) Make sure that the slats are retracted and install TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER (98D27803500001) on the flap and slat control lever.
Subtask 71-21-11-010-058
B. Get Access
(1) Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 71-21-11-040-052
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 71-21-11-010-059
D. Get Access
CAUTION : BEFORE OPENING THE THRUST REVERSER DOORS TO THE 45 DEGREES
_______ POSITION MAKE SURE THAT THE SLATS ARE RETRACTED. IF NOT THE SLATS CAN TOUCH THE INBOARD THRUST REVERSER DOOR.
(1) Open the thrust reverser doors to the 45 degrees position (Ref. TASK 78-36-00-010-040): FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
(2) Put a access platform in position at the engine level.
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Subtask 71-21-11-480-050
E. Install the RODS - FWD ENG MOUNT (98D71203003000). R (Ref. Fig. 404/TASK 71-21-11-991-303)
(1) Install the link bar in the stop cowl tube.
(2) Install fittings (10) on link bar and tighten with the knurled nuts (15).
(3) Attach the rods (20) to the fittings (10) with the rigging pins.
(4) Position the fittings (30) on the fan casing frame. The location of the fittings (30) is determined by the recesses on the fittings (30). Attach the fittings (30) with the three screws.
(5) Adjust length of the rods (20) and attach them to the fittings (30) with the rigging pins.
4. Procedure
_________ R (Ref. Fig. 405/TASK 71-21-11-991-304) Subtask 71-21-11-020-054
A. Removal of the Forward Engine Mount Links
(1) Remove the forward engine mount links from the engine brackets. NOTE : Removal of the hardware that attach the forward engine mount
____ links to the engine brackets is the same at both locations.
(a) Remove the bolt (5), the washers (10), (65), and the nut (60) that attach the retainers (15) and (70) to the link (30).
(b) Remove the retainer (15) from the link.
(c) Remove the bolt (20), the washer (25) that attach the forward engine mount link to the engine bracket (55).
(d) Disengage the link from the engine bracket (55).
(e) Remove the nut (50) from the engine bracket (55).
(f) Remove the retainer (70) from the link (30).
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R Forward Rods Attach Engine - Installation Figure 404/TASK 71-21-11-991-303
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R Forward Engine Mount Link and Cross Beam Assembly Figure 405/TASK 71-21-11-991-304
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(2) Remove the forward engine mount links from the cross beam assembly. NOTE : Removal of the hardware that attach the forward engine mount
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