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________ Subtask 71-51-43-862-059
 A. De-energize the aircraft circuits (Ref. TASK 24-41-00-862-002) Subtask 71-51-43-410-062
 B. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the fan cowls: (Ref. TASK 71-13-00-410-040)
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 (3) Remove the access platform(s).

 (4) Remove the warning notice(s).

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 ELECTRICAL HARNESS - CORE ZONE - REMOVAL/INSTALLATION

_____________________________________________________
 TASK 71-52-43-000-042
 Removal of the Core Fire Detector Channel A Wire Harness (4204KS)
 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 caps
 No specific circuit breaker(s) safety clip(s)
 No specific warning notice
 No specific access platform 1.5 m (4 ft. 11 in.)

 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

R **ON A/C 001-049, 051-099, 101-149, 151-155, 157-199, 201-299, 301-399, R 401-499,
 71-52-43-991-303 Fig. 401
 **ON A/C 156-156,
 71-52-43-991-303-A Fig. 401A
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 3. Job Set-up
__________
 Subtask 71-52-43-860-054
 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 71-52-43-865-056
 B. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/FIRE DET/LOOP B 8WD2 A07 49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06 49VU ENGINE/2/FADEC A/AND EIU 2 2KS2 A05 49VU ENGINE/1/FADEC A/AND EIU 1 2KS1 A04 49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU ANTI ICE/PROBES/PHC/1 2DA1 D03 49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13 49VU NAV PROBES/ADIRU 1/AND AOA 1/26VAC 5FP1 F07 49VU NAV PROBES/ADIRU1/115VAC 4FP1 F06
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PANEL DESIGNATION  IDENT. LOCATION
 -------------------------------------------------------------------------------
R  **ON A/C 001-049, 051-052, 054-056, 058-059, 061-099, 101-101, 103-149,
R  151-199, 201-299, 301-399, 401-499, Post SB 30-1037 For A/C 001-049,051-052,054-056,
 49VU ANTI ICE/RAIN/RPLNT/CAPT  1DB1 D01
 **ON A/C ALL
　
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