(d) If the shields do not have the correct O.D. for the splice kit, the shield O.D. can be increased
as specified in Step 14.A.(9).
(e) If the CAU of the conductors are not the correct size for the splice kit, the conductors can be
increased.
Refer to:
• Paragraph 2.B. to assemble the conductor splice with a conductor that is folded back
• Paragraph 2.C. to assemble the conductor splice with a filler wire.
NOTE: As an alternative, make a selection of a different splice configuration. Refer to
Paragraph 1.C.
(3) Find the part number of the butt splice in the splice kit. Refer to Table 23.
(4) Find the crimp barrel size of the butt splice.
Refer to:
• Table 12 for NAS1387-() splices
• Table 14 for D-609-() splices.
(5) Make a selection of a crimp tool.
Refer to:
• Table 44 for crimp tools for NAS1387-() splices
• Table 45 for crimp tools for Raychem D-609-() splices.
(6) Make a selection of a standard temperature hot air gun from Table 49.
(7) Put the solder shield splice sleeve on each of the cables on one side of the splice assembly.
(8) Remove these specified lengths from the end of the cable or the wire:
• The outer jacket
• The shield
• The primary insulation
• The conductor.
Refer to the applicable paragraph for the splice assembly configuration.
(9) If it is necessary to increase the O.D. of the shield:
CAUTION
THIS PROCEDURE IS APPLICABLE ONLY FOR CABLES THAT HAVE
ROUND CONDUCTOR STRANDS IN THE SHIELD. IF THE CABLE HAS A
SHIELD WITH FLAT, RECTANGULAR CONDUCTOR STRANDS, DAMAGE
TO THE SHIELD CAN OCCUR.
(a) Remove the necessary length of the outer jacket.
Make sure that the distance from the end of the jacket to the end of the conductor is D2.
(b) Remove the necessary length of the shield.
Make sure that the distance from the end of the shield to the end of the outer jacket is D3
minus D2.
(c) Fold the shield back on the outer jacket of the cable.
ASSEMBLY OF SPLICES
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-12
Page 293
Jun 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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