(d) Crimp the splice.
(12) Do Step 8.C.(11) again to assemble the other end of the butt splice.
(13) Put two layers of insulation tape on the splice assembly.
(a) Tightly wind the first layer of tape on the splice assembly.
Make sure that the layer:
• Starts 0.6 inch minimum to 0.85 inch maximum farther than the end of the splice
• Stops 0.6 inch minimum to 0.85 inch maximum farther than the other end of the splice
• Makes a 50 percent overlap.
(b) Tightly wind the second layer of tape on the splice assembly in the opposite direction of the
first layer.
Make sure that the layer:
• Starts where the first layer stops
• Stops where the first layer starts
• Makes a 50 percent overlap.
(14) Align the center of the sleeve with the center of the butt splice.
(15) Shrink the sleeve into position. Refer to Subject 20-10-14.
POSITION OF THE WIRE IN THE BUTT SPLICE WITH THE WIRE INSULATION OUT OF THE INSULATION
GRIP
Figure 100
ASSEMBLY OF SPLICES
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-12
Page 127
Jun 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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