R (6) Make sure that the lower extension lead (10) is not stressed and
R TORQUE as follows:
R (a) the connecting nut to between 168 and 186 lbf.in (1.89 and 2.10
R m.daN) and safety with lockwire 0.032 in (0.8 mm) dia (Material
R No. CP8001) or lockwire 0.032 in (0.8 mm) dia (Material No.
CP8002).
R (b) the bolts (30), (80), (100), (130) and (150) to between 47 and
R 531 lbf.in (0.53 and 6.00 m.daN).
5. Close-up________
R
Subtask 77-21-10-440-058
R A. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
Subtask 77-21-10-710-058
R B. Do an Operational Test of the FADEC Ground (with engine non motoring)
R (Ref. TASK 73-29-00-710-040).
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Subtask 77-21-10-410-068
R C. Close Access R
R (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1
R 437AL, 438AR, FOR 1000EM2 447AL, 448AR.
R (2) Remove the warning notice(s).
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TASK 77-21-10-000-025
Removal of the Main Junction Box
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking plugs No specific caps 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 77-21-10-991-305 Fig. 403
3. Job Set-up
__________
Subtask 77-21-10-941-061
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 77-21-10-010-074
B. Open the fan cowl doors: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
Subtask 77-21-10-040-068
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041).
Subtask 77-21-10-010-084
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
R (Ref. Fig. 403/TASK 77-21-10-991-305)
Subtask 77-21-10-020-063
R A. Removal of the Main Junction Box
R (1) Cut and remove the lockwires.
R (2) Disconnect the upper extension lead (10) and the lower extension lead R (40) from the main junction box (20).
R (3) Disconnect the CJ13 harness connector (60) from the main junction box R (20).
R (4) Disconnect the main junction box leads (20) from the upper left T495 R sector junction box (100) and lower left T495 sector junction box R (140).
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R (5) Remove the parts which attach the upper extension lead (10) as
R follows:
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