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 (13) On the right side of the engine, remove the bolt (15) and the clamp

 (50) attached to the bracket at station 221.

 (14) Disconnect the electrical connector 4001HA-A from the Bleed Pressure Regulator Valve 4001HA) and install the blanking caps.

 (15) Remove the nuts (55), the lockwashers (65), and the washers (60) that attach the wires to the ground studs. Remove the ground wires from the studs.

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 **ON A/C ALL

 TASK 71-52-43-400-045
 Installation of the Environmental Control System (ECS) Harness Assembly
 (4207KS)

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific warning notice
 No specific access platform 1.5 m (4 ft. 11 in.) R No specific Torque Wrench : range 5.00 to 35.00 lbf.in R (0.05 to 0.40 m.daN)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. CP2208 USA 3M-361
 fiberglass adhesive tape (Ref. 70-30-00)
 Material No. CP8003 *
 lacing and tying tape (Ref. 70-30-00)

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 C. Referenced Information

 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
 from the External Power
 31-60-00-860-001 EIS Start Procedure
 31-60-00-860-002 EIS Stop Procedure
 71-13-00-010-040 Opening of the Fan Cowl Doors
 71-13-00-410-040 Closing of the Fan Cowl Doors
 78-30-00-081-041 Make the Thrust Reverser Serviceable after

 Maintenance
 78-30-00-481-041 Make the Thrust Reverser Unserviceable for

 Maintenance
 78-36-00-010-040 Opening of the Thrust Reverser Doors
 78-36-00-410-040 Closing 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,
 71-52-43-991-308 Fig. 404
 **ON A/C 156-156,
 71-52-43-991-308-A Fig. 404A
 **ON A/C ALL
 3. Job Set-up
__________
 Subtask 71-52-43-860-062
 A. Aircraft Maintenance Configuration
 (1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
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 (2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).

 (3) Make sure that the access platform is in position.

 Subtask 71-52-43-010-069
 B. Get Access
 (1) Make sure that the fan cowl doors are open (Ref. TASK 71-13-00-010-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 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 71-52-43-040-062
 C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
 Subtask 71-52-43-865-067
 D. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------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
　
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