- the fuel system : filter clogging indication

 - the oil system : oil quantity, low oil pressure, oil filter clogging, oil temperature, oil pressure

 - N1 system

 - N2 system

 - N1 bearing accelerometer

 - the hydraulic pumps system : by-pass valve, low pressure caution

 - the fan compartment fire detection system

 - the HP fuel shut off valve solenoid

 - the air intake anti ice system : anti ice valve position indicating

 - the IDG control and indicating (Ref. 24-00-00)

 - the ignition exciter

 - the interphone jack (which is located at the engine air intake)

 - Master chip detector indicator

 (2) ECU Control Harnesses (Ref. 73-00-00).

 (3) IDG feeders The IDG transmits the electrical power to the systems via the feeders.

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 Harness - LH Side of Engine
 Figure 001

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 Harness - RH Side of Engine
 Figure 002

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 Fan Case Harness Connections to Pylon Junction Box
 Figure 003
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 Core Harness Connections to Pylon Junction Box
 Figure 004
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 B. Core Harness The electrical harness in the core area interfaces with the junction box. The core harness provides electrical power to the control and monitoring systems located in the core compartment :
 - core compartment fire detection system

 - pressure regulating valve and high pressure valve position indication (open and closed)

 - second vibration accelerometer.

 C. Attachment and Connection
 (Ref. Fig. 001, 002, 003, 004)
 The harnesses and cables are routed around the engine.
 They are attached to the engine brackets by means of clips and clamps.
 The harness connectors are connected at the junction boxes which are
 located under the engine pylon.

 D. Harness Design (Ref. Fig. 005) All harnesses are of sealed construction and have double shielding (overbraid and shielded wire). Fire detector harnesses in the core area are not fully sealed. Basic EMI/Lightning protection are achieved with the outer overbraid and inner shields. On braid-shielded harnesses, a dedicated mechanical protection between the braid and the top coat of wires is provided such that penetration of the shielding in wire top coat is not possible.
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 Harness Construction
 Figure 005

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 ELECTRICAL HARNESS - INSPECTION/CHECK
_____________________________________ TASK 71-50-00-210-001 Visual Inspection of the Power Plant Wire 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 warning notice
 No specific access platform 1 m (3 ft. 3 in.)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 
71-13-00-410-040 
R  71-51-43-000-001 
R  71-51-43-000-002 
R 
R  71-51-43-000-003 
R 
R  71-51-43-000-004 
R 
R  71-51-43-000-043 
R  71-51-43-000-044 
R 
　
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