A320 ESPM Electrical Standard Practices Manual 4(37)

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R R R R  | | USE WITH | | CONTACTS |----------------------------------------------| | | PLUG | RECEPTACLE | |--------------------|-----------------------|----------------------| | | Standard element legs,| NSA933661, NSA933687 | | | Circuit Breakers, | NSA933688 | | EN3155-016 | Auxiliary Contacts, | NSA937901M/MA | | | Reading lights | E0439 - E0682 | |--------------------|-----------------------|----------------------| | ABS1493 | -| NSA937901MB/MC | ---------------------------------------------------------------------
R R R R R R  B. Sealing (Ref. Fig. 020) Sealing is necessary depending on the area and the wire gauge. - Refer to the sealing sleeve allocation table. It gives you the shrinkable sleeve (P/N and size) to use for sealing. - Install the heat - shrinkable sleeve on the wire before stripping. Shrinking is done after crimping. For standard element legs, install the sleeve NSA937201 or NSA937212. Leave part of the leg uncovered to permit crimping of the contact and cut it to length.
R R  ____NOTE : After the sealing sleeve, install the identification sleeve on one of the standard element legs.
R R  C. Wire stripping (Ref. Fig. 021) - Select the applicable tool. - Strip the wire to the length "A".
R R R  D. Crimping Procedure and Tools (Ref. Fig. 022) - Select the applicable tool. - Engage the stripped wire or the standard element leg in the contact. - Make sure that you can see the wire conductor or the standard element leg through the contact inspection hole. - Install the contact in the positioner. - Fully close the tool handles until the safety ratchet releases. - Remove the crimped contact. - If sealing is necessary:

 

R Normal Contacts - P/N Characteristics and Ins/Ext Tools R EN3155-016 and ABS1493 R Figure 019

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R Normal Contacts - Shrinking Characteristics R EN3155-016 and ABS1493 R Figure 020

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R Normal Contacts - Stripping Characteristics and Tools R EN3155-016 and ABS1493 R Figure 021

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R Normal Contacts - Crimping Tools R EN3155-016 and ABS1493 R Figure 022

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 -Slide the sleeve near the contact rear. -Heat shrink the sleeve.
 ____NOTE : It is not necessary to shrink the sleeve on the standard element leg.
R  ___________________________________________6. Connection Procedure for Contact EN3155-017
R  A. Contact P/N and Characteristics (Ref. Fig. 023) ---------------------------------------------------------------------
R  | | USE WITH | | CONTACT |----------------------------------------------| | | PLUG | RECEPTACLE | |--------------------|-----------------------|----------------------| | | Relay bases EN2593 | | | EN3155-017 | E0219-E0247-E0249 | ------| | | E0250-E0251-E0311 | | | | E0673-E0745-E0746 | | ---------------------------------------------------------------------
B. Temperature Minimum operating temperature is -65 deg.C (-85.00 deg.F). Maximum operating temperature is 125 deg.C (257.00 deg.F).
R  C. Contact Insertion and Extraction Tools (Ref. Fig. 024)
R R R  D. Wire Stripping (Ref. Fig. 024) - If necessary, install the heat shrinkable sleeve on the wire before stripping. Shrinking is done after crimping. - Use the applicable tool. - Strip the wire to the length "A".
R  E. Crimping Procedure (Ref. Fig. 025) - Engage the stripped wire in the contact. - Make sure that you can see the wire through the contact hole. - Use the applicable tool. - Install the contact in the positioner. - Fully close the tool handles until the safety ratchet releases. - Remove the crimped contact. - If installed, retract the sleeve.

 

 Normal Contacts - P/N Characteristics EN3155-017 R Figure 023

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 Normal Contacts - Stripping and Ins/Ext Tools EN3155-017 R Figure 024

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 Normal Contacts - Crimping Tools EN3155-017 R Figure 025

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7. Connection Procedure for Contacts EN3155-044, EN3155-045 and EN3155-054 to EN3155-057
 A. Contact P/N and Characteristics
(Ref. Fig. 026) ---------------------------------------------------------------------| | USE WITH | | CONTACT |----------------------------------------------| | | PLUG | RECEPTACLE | |--------------------|-----------------------|----------------------| | EN3155-044 | | | | EN3155-045 | | | | EN3155-054 | EN2997 | EN2997 | | EN3155-055 | | | | EN3155-056 | | | | EN3155-057 | | | ---------------------------------------------------------------------
B. Temperature
 Minimum operating temperature is -65 deg.C (-85.00 deg.F).
　
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