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 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 78-31-42-040-054
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 4. Procedure
_________ (Ref. Fig. 401/TASK 78-31-42-991-300) Subtask 78-31-42-420-050
 A. Installation of the Left Electrical Harness NOTE : Apply a witness line of finish paint EA4 blue 5991 (Material No.
____ CP2245) on all nuts and connections after they are torqued.
 (1) Remove the protective covers from the electrical connectors.

 (2) Position the electrical harness on the engine.

 (3) Attach the electrical junction box to the bracket with the bolts.

 (4) TORQUE the bolts to between 70 and 80 lbf.in (0.79 and 0.90 m.daN).

 (5) Connect the electrical connectors to the stow-switches of the upper and lower blocker doors. Tighten the connectors with the softnose pliers.

 (6) Connect the electrical connector to the beam electrical harness. Tighten the connector with the softnose pliers.

 (7) Connect the right electrical harness connector to the electrical junction box.

 (8) Connect the electrical connectors (4100KS-A and 4100KS-B) to the junction box.

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 (9) Attach the electrical harness to the supports with the clamps, the bolts and the nuts.
 (10) Attach the electrical harness to the two half clamps with the clamp, the bolt, the washer and the nut.

 (11) Adjust if necessary: CAUTION : MAKE SURE THERE IS CLEARANCE BETWEEN THE ELECTRICAL HARNESS

_______ AND THE FORWARD FRAME PARTS OR DAMAGE CAN OCCUR.
 (a) Adjust the electrical harness and clamps as necessary to get clearance between the harness and the frame.
 (12) TORQUE the nut of the two half clamps to between 27 and 30 lbf.in

 (0.30 and 0.33 m.daN).

 (13) TORQUE the other bolts and nuts to between 30 and 40 lbf.in (0.33 and

 0.45 m.daN).
 5. Close-up
________ Subtask 78-31-42-410-050
 A. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the thrust reverser doors: (Ref. TASK 78-36-00-410-040). FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR

 (3) Remove the access platform(s). Subtask 78-31-42-440-050
 B. Make the thrust reverser serviceable (Ref. TASK 78-30-00-081-041).
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 C. Close Access
 (1) Close the fan cowl doors: (Ref. TASK 71-13-00-410-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (2) Remove the warning notice(s).

 Subtask 78-31-42-710-051
 D. Do an operational test of the thrust reverser system from the CFDS (Ref. TASK 78-31-00-710-042).
 NOTE : As an alternative procedure, you can do this operational test
____
 without the CFDS:

 - first method with engine not running (Ref. TASK 78-31-00-710-043)

 - second method with engine running (Ref. TASK 78-31-00-710-043)

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 TASK 78-31-42-000-044 Removal of the Right Electrical Harness
 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 softnose pliers No specific warning notice No specific access platform 1 m (3 ft. 3 in.)
 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
　
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