3) Hold the sleeve in position and starting at the tongue end shrink the sleeve with a 750° F or
higher heat gun and reflector (required). Refer to Subject 20-10-14. Make sure a reflector is
used with the heat gun.
4) Continue heating area where adhesive ring is located for two to three minutes, depending
on wire size, until adhesive melts and flows. Adhesive will form a bead or fillet around the
sleeve end.
5) Use a plastic or wooden device to press the sleeve down against the inspection hole while
the sleeve and sealant are still warm.
6) Do not remove any excess adhesive that flows from the sleeve.
7) Install the BACT63E( ) sleeve as shown in Figure 8.
(f) Install the Zone C transition barrel with A-A-59163 insulation tape as follows
1) Refer to Figure 9.
ZONE B
BACT63( )
BACT63E( ) SLEEVE
BACT12M( ) TERMINAL
BEND LINE OF
TERMINAL TONGUE
SEALANT RING
INSPECTION HOLE
SEALANT RING
2529461 S0000598173_V1
Location of BACT63E( ) Sleeve Prior to Installation on BACT12M( ) terminals
Figure 7
0.10 - 0.20 INCH
ZONE B
(BACT63E)
BEND LINE OF
TERMINAL TONGUE
BACT12M( ) TERMINAL
2529463 S0000598187_V1
Installation of BACT63E( ) Sleeving on BACT12M( ) Terminals
Figure 8
ASSEMBLY OF TE/AMP NICKEL PLATED COPALUM TERMNAL LUGS
707, 727-787
STANDARD WIRING PRACTICES MANUAL
20-30-23
Page 9
Feb 15/2021D6-54446
ECCN 9E991 BOEING PROPRIETARY - See title page for details
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