_______ LOOSEN/TIGHTEN THE TUBE COUPLING NUTS. THIS PREVENTS DAMAGE TO THE TUBES.
(a) TORQUE the drain tube (5) coupling nuts to between 200 and 250 lbf.in (2.26 and 2.82 m.daN).
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________ Subtask 71-73-49-410-066
A. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(3) Remove the warning notice(s).
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TASK 71-73-49-000-005 Removal of the Turbine Rear Frame TRF Drain Tube
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific protective covers No specific warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 71-73-49-991-314 Fig. 415
3. Job Set-up
__________ Subtask 71-73-49-941-067
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).
Subtask 71-73-49-010-067
B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 71-73-49-040-052
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 71-73-49-010-083
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
(Ref. Fig. 415/TASK 71-73-49-991-314)
Subtask 71-73-49-020-066
A. Removal of the Turbine Rear Frame (TFR) Drain Tube
(1) Remove the bolt (5), the washer (10), the nut (15) and the clamp (20) that attach the turbine rear frame drain tube (25) to the bracket.
(2) Remove the clamp (20) from the drain tube (25).
(3) Disconnect the drain tube (25) from the drain nipple on the turbine rear frame.
(4) Remove the drain tube (25) from the engine.
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Turbine Rear Frame Drain Tube
Figure 415/TASK 71-73-49-991-314
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E E Feb 01/00 E E ECES E F 『 E C F M E E E E 56-5B E E E (5) Put protective covers on the TFR drain nipple and the drain tube (25).
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TASK 71-73-49-400-005
Installation of the Turbine Rear Frame Drain Tube
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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