E 56-5B E

 Environmental Control System Harness Assembly
 Figure 404/TASK 71-52-43-991-308- 22 (SHEET 2)

 F 『R EEFF : 001-049, 051-099, 101-149, 151-155, E Page 48171-52-43
 E E157-199, 201-299, 301-399, 401-499, Aug 01/05 E E ECES E E 56-5B E E E (3) Remove the bolt (15) and open the clamp (20) that attaches the harness assemblies to the bracket at station 233. Remove harness 4207KS from the clamp. Install the bolt (15) and tighten it with your hand.

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 E  C F M  E
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 (4) Remove the bolt (15) and the clamp (40) that attaches the harness assemblies to the bracket at the top left side of the engine.

 (5) Remove the bolt (15) and the clamp (40) that attaches the harness 4207KS to the bracket at station 221.

 (6) Remove the bolt (15) and the clamp (35) that attaches the harness 4207KS to the bracket at station 221.

 (7) Remove the bolt (15) and the clamp (70) that attaches the harness 4207KS to the bracket at station 215.

 (8) Disconnect the electrical connector 4000HA-A from the High Pressure Regulator Valve (4000HA).

 (9) On the top left side of the engine, remove the bolt (15) and open the clamp (40), remove the harness 4207KS. Close the clamp, install the bolt and tighten it with your hand.

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

 (45) attached to the bracket at station 221.

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

 (40) attached to the bracket at station 221.

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

 (50) attached to the bracket at station 221.

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

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

 F 『R EEFF : 001-049, 051-099, 101-149, 151-155, E Page 48271-52-43
 E E157-199, 201-299, 301-399, 401-499, Aug 01/05 E E ECES E **ON A/C 156-156,

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 E  56-5B  E
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 Subtask 71-52-43-020-059-A
 A. Removal of the Environmental Control System (ECS) Harness Assembly
 (4207KS)
 (Ref. Fig. 404A/TASK 71-52-43-991-308-A)

 (1) Disconnect the electrical connector 450VC-A from the core junction box.

 (2) Remove the two bolts (5) and open the two clamps (10) that attach the harnesses to the pylon. Remove the harness 4207KS from the clamps. Install the bolt (5) and tighten it with your hand.

 (3) Remove the bolt (15) and open the clamp (20) that attaches the harness assemblies to the bracket at station 233. Remove harness 4207KS from the clamp. Install the bolt (15) and tighten it with your hand.

 (4) Remove the bolt (15) and the clamp (40) that attaches the harness assemblies to the bracket at the top left side of the engine.

 (5) Remove the bolt (15) and the clamp (40) that attaches the harness 4207KS to the bracket at station 221.

 (6) Remove the bolt (15) and the clamp (35) that attaches the harness 4207KS to the bracket at station 221.

 (7) Remove the bolt (15) and the clamp (35) that attaches the harness 4207KS to the bracket at station 215.

 (8) Disconnect the electrical connector 4000HA-A from the High Pressure Regulator Valve (4000HA).

 (9) Cut the lacing tape that attaches the thermal blanket (30) and remove the harness from the thermal blanket (30).

 (10) If necessary, remove the thermal blanket (25).

 (11) On the top left side of the engine, remove the bolt (15) and open the clamp (40), remove the harness 4207KS. Close the clamp, install the bolt and tighten it with your hand.

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

 (45) attached to the bracket at station 221.
 F 『 EEFF : 156-156, E Page 48371-52-43
 E E May 01/05 ERE
ECES E F 『 E C F M E E E E 56-5B E

 Environmental Control System Harness Assembly
 Figure 404A/TASK 71-52-43-991-308-A12 (SHEET 1)

 F 『 EEFF : 156-156, E Page 48471-52-43
 E E May 01/05 ERE ECES E

 F 『 E C F M E E E E 56-5B E

 Environmental Control System Harness Assembly
 Figure 404A/TASK 71-52-43-991-308-A22 (SHEET 2)

 F 『R EEFF : 156-156, E Page 48571-52-43
 E E May 01/05 E E ECES E
　
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