B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors 71-51-43-991-311 Fig. 406 71-51-43-991-312 Fig. 407
3. Job Set-up
__________ Subtask 71-51-43-941-056
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 71-51-43-865-068
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/1 AND 2/IGN/SYS A 1JH A03 49VU ANTI ICE/PROBES/AOA/1 4DA1 D04 49VU ANTI ICE/PROBES/PITOT/1 3DA1 D02 49VU COM/CVR/SPLY 2RK E14 49VU COM/CVR/CTL 4RK E13
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
121VU RCDR/DFDR 7TU K16 121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU ANTI ICE/WINDOWS/R 4DG2 W14 122VU ANTI ICE/WINDOWS/L 4DG1 X14 122VU ANTI ICE/PROBES/2/PITOT 3DA2 Y14 122VU ANTI ICE/PROBES/2/AOA 4DA2 Y13 122VU ANTI ICE/PROBES/2/STATIC 5DA2 Y11 122VU ANTI ICE/PROBES/3/PITOT 3DA3 Z16 122VU ANTI ICE/PROBES/3/AOA 4DA3 Z15 122VU ANTI ICE/PROBES/3/STATIC 5DA3 Z14 122VU ANTI ICE/PROBES/1/STATIC 5DA1 Z13
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,
122VU ANTI ICE/RAIN/RPLNT/F/O 1DB2 W11
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-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
**ON A/C ALL
123VU Y HYD/ELEC/PUMP 3802GX AB06
123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
FOR 1000EM1
49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06
49VU ENGINE/1/FADEC A/AND EIU 1 2KS1 A04
121VU ENGINE/IGN/ENG1/SYS B 3JH1 P41
121VU ENGINE/IGN/ENG1/SYS A BAT 2JH1 P39
121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 121VU ENGINE/ENG1/FIRE DET/LOOP B 121VU ENGINE/ENG1/FADEC B/AND EIU 1 122VU ELEC/GCU/1 FOR 1000EM2 49VU ENGINE/2/FIRE DET/LOOP B 49VU ENGINE/2/FADEC A/AND EIU 2 121VU ENGINE/IGN/ENG2/SYS B 121VU ENGINE/IGN/ENG2/SYS A BAT 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 121VU ENGINE/ENG2/FADEC B 121VU ENGINE/ENG2/FIRE DET/LOOP A 122VU ELEC/GCU/2 2WE1 1WE1 8WD1 4KS1 2XU1 8WD2 2KS2 3JH2 2JH2 2WE2 1WE2 4KS2 7WD2 2XU2 Q44Q43Q38R41T26A07A05P42P40Q42Q41Q40Q39T27
Subtask 71-51-43-010-059
C. Get Access
(1) Open the fan cowls: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR. FOR 1000EM2 447AL, 448AR.
(2) Put the access platform in position.
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4. Procedure
_________
(Ref. Fig. 406/TASK 71-51-43-991-311, 407/TASK 71-51-43-991-312)
Subtask 71-51-43-020-056
A. Removal of the ECU (Channel A) Harness
NOTE : To open the flip-lock clamps and line blocks, turn the captive
____ screws or captive bolts 1/4 turn counterclockwise to disengage the cam nuts.
R NOTE : Loosely attach the clamp(s), anti-rotation lug(s) if applicable,____
R and bolt(s) to the brackets from which they were removed to make
R it easier for installation.
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