_______
 YOU START A TASK ON OR NEAR:

 -
THE FLIGHT CONTROLS

 -
THE FLIGHT CONTROL SURFACES

 -
THE LANDING GEAR AND THE RELATED DOORS

 -COMPONENTS THAT MOVE.
 Subtask 54-51-18-941-050

 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.

 (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).

 Subtask 54-51-18-020-050
 B. Engine Removal
 (1) Remove the engine (Ref. TASK 71-00-00-000-042).
 Subtask 54-51-18-010-050

 C. Get Access
 (1) Put an access platform in position:
 (a) At zone 410 for the left pylon.
 (b) At zone 420 for the right pylon. R (2) Remove the pylon lateral access-doors (Ref. TASK 54-51-21-000-001):
 (a)
 For the left pylon: 415AL, 415AR.

 (b)
 For the right pylon: 425AL, 425AR.

 4. Procedure
_________
 Subtask 54-51-18-020-051

 A. Removal of the Pylon-to-Engine Aft Attach-Fittings
 (Ref. Fig. 401/TASK 54-51-18-991-001)

 (1)
 Remove the bolts (1) and the lockwashers (2).

 (2)
 Remove the nuts (7) and (8), the locking plates (6), the bolts (3) and (4) and the locking plates (5).

 (3)
 Remove the pylon-to-engine aft attach-fittings (9).

 Engine Aft Mount Upper Beam
 Figure 401/TASK 54-51-18-991-001
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 TASK 54-51-18-400-001

 Installation of the Pylon-to-Engine Aft Attach-Fittings
 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------
REFERENCE  QTY DESIGNATION
 -------------------------------------------------------------------------------
R No specific  Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft) No specific Torque Wrench : range 0.20 to 3.60 m.daN
 (2.00 to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN

 (8.00 to 75.00 lbf.ft) No specific Torque Wrench : range 2.00 to 20.00 m.daN
 (15.00 to 150.00 lbf.ft) No specific Torque Wrench : range 6.00 to 36.00 m.daN
 (50.00 to 260.00 lbf.ft)
 B. Consumable Materials
 -------------------------------------------------------------------------------
REFERENCE  DESIGNATION
 -------------------------------------------------------------------------------
Material No. 05-047  C Z-11.904
 ANTI COR. COMPOUND(HIGH TEMP.SILICONE SEALANT)
 (Ref. 20-31-00)

 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION  |IPC-CSN
 -------------------------------------------------------------------------------
3 bolt 54-51-18 01B-075 4 bolt 54-51-18 01B-065 7 nut 54-51-18 01B-095 8 nut 54-51-18 01B-085

 D. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
54-51-21-400-001 Installation of the Pylon Lateral Access-Doors 71-00-00-400-042 Installation of the Power Plant 54-51-18-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 54-51-18-860-051
 A. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position.

 (2)
 Make sure that the warning notice(s) is(are) in position.

 4. Procedure
_________ Subtask 54-51-18-420-050
 A. Installation of the Pylon-to-Engine Aft Attach-Fittings
 (Ref. Fig. 401/TASK 54-51-18-991-001)

 (1)
 Before installation, make sure that the bolts (3) and (4) are in the correct condition, if necessary replace the bolt (3) and the bolt (4).
　
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