A320 ESPM Electrical Standard Practices Manual 4(86)

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R  of the harness to connect the other end of the modification kit. 
R  (10) Repair type 2-K - Bonding lead replacement 
R  (Ref. Fig. 018) 
R  - Step 1: Clean the area using ASN42202 cleaning product and a little 
R  brush. 
R  Wrap the bonding lead DAN416 around the overbraid. 
R  Make sure that the minimum length of contact with the overbraid is 
R  100 mm (3.9370 in.) 
R  - Step 2: Secure the bonding lead with lacing tape NSA8420-02. 
R  - Step 3: Protect the bonding lead area wrapping self-welding tape 
R  ABS5334 with an overlap of 50%.

 

R Repair of Metallic Conduits - Modification Kit Installation R Repair Type 2-J R Figure 016

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R Repair of Metallic Conduits - Modification Kit Installation R Repair Type 2-J R Figure 017

20-53-32 Page 23

R Repair of Metallic Conduits - Bonding Lead Installation R Repair Type 2-K R Figure 018

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R  ____________________________________________________________REPAIR OF MISCELLANEOUS CONDUITS - DESCRIPTION AND OPERATION
 _______1. General 
R 
R  This chapter describes the procedures for the repair of miscellaneous 
R  conduits related to the degree of damage. 
R  The miscellaneous conduits installed on aircraft for wire harness protection 
R  are divided into two sub-families and have the codes that follow: 
R 
R  - Open (split) conduits: 
R  ABS0596, 
R  EN6049-005 (ex E0507), 
R  EN6049-006, 
R  EN6049-007. 
R 
R  - Closed conduits: 
R  ABS0125, 
R  E0559, 
R  EN6049-003 (ex E0389), 
R  EN6049-004 (ex E0502). 
R 
R  The standard procedure is to replace damaged or broken items (harness 
R  protection or full protected harness) by new items with the same P/N.
R  ______________________2. Damage Check Procedure 
R  A. Open (split) conduits 
R  (1) Conduit layout 
R 
R  (Ref. Fig. 001) 
R 
R  (2) Table for damage assessment 
R  (Ref. Fig. 001) 
R 
R  (3) When the repair is selected refer to (Para 3): repair procedure for 
R  the general description and conditions of application. 
R 
R  B. Closed conduits 
R  (1) Conduit layout 
R  (Ref. Fig. 002) 
R

 

R Repair of Miscellaneous Conduits - Conduit Layout, Table for Damage Assessment R ABS0596, EN6049-005 (ex E0507), EN6049-006 and EN6049-007
 Figure 001

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R Repair of Miscellaneous Conduits - Conduit Layout, Table for Damage Assessment R ABS0125, E0559, EN6049-003 (ex E0389) and EN6049-004 (ex E0502) Figure 002

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R  (2) Table for damage assessment 
R  (Ref. Fig. 002) 
R  (3) When the repair is selected refer to (Para 3): repair procedure for 
R  the general description and conditions of application.
R  ________________3. Repair Procedure 
R  A. General Requirements 
R  This paragraph gives the general description and conditions of 
R  application for each repair type. 
R  (Ref. Fig. 003)
R  ____NOTE : Repair classification can change depending on the location and the 
R  system of the bundle (Refer to chapter 20-53-30). 
R  B. Repair 3A 
R  (Ref. Fig. 004) 
R  - Remove the damaged section of the conduit. 
R  - Repair the wires if necessary (refer to chapter 20-53-20). 
R  - Install a cable tie NSA935401-003 at a distance of 30 mm (1.1811 in.) 
R  from the ends of the conduit. 
R  - Place a new piece of conduit (same P/N, same size and an applicable 
R  length) to cover the old one over 60 mm (2.3622 in.) on either side of 
R  the damaged section. 
R  - Install cable ties as shown. 
R  C. Repair 3B 
R  (Ref. Fig. 005) 
R  - Remove the damaged section (from the damage to the most easily 
R  accessible end of the conduit). 
R  - Repair the wires if necessary (refer to chapter 20-53-20). 
R  - Install a cable tie NSA935401-003 at a distance of 30 mm (1.1811 in.) 
　
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