TM 55-1520-228-BD
ELECTRICAL AND AVIONICS SYSTEM
11-6. WIRE REPAIR SEGMENTS, UNSHIELDED
WIRES.
GENERAL INFORMATION. The BDAR electri-
cal wiring kit has wire replacement
segments for replacement sections up to
9 inches in length. The replacement
sections are located in the wire repair
kit.
Refer to Table 11-4.
CAUTION
Make sure aircraft power is off.
Disconnect battery before
touching any wires.
LIMITATIONS: Dependent on splice method
used to connect replacement segment.
PERSONNEL/TIME REQUIRED:
1 Soldier
20 Minutes
MATERIALS/TOOLS REQUIRED:
Replacement Segment (Refer to Table
Table 11-4)
Splice (item 10, Appx B)
Insulation Sleeve or Tape (item 49,
Appx C)
Crimp Tool (item 10, Appx B)
11-7.
DAMAGED WIRE INSULATION.
GENERAL INFORMATION: If the wire insu-
lation is damaged but the wire itself is
not, repair of the insulation may be
accomplished by installing heat-shrink-
able tape, a transparent sleeve of
flexible tubing, and securing with
nylon braid or some other means.
CAUTION
Make sure aircraft power is off.
Disconnect battery before
touching wires.
OPTION 1: Heat-Shrinkable Repair Tape.
LIMITATIONS: This is a temporary
repair.
PERSONNEL/TIME REQUIRED:
1 Soldier
10 Minutes
MATERIALS/TOOLS REQUIRED:
Heat-Shrinkable Tape (item 10, Appx B)
Reflector (item 10, Appx B)
Heat Gun/Heat Source (item 10, Appx B)
PROCEDURAL STEPS:
PROCEDURAL STEPS:
1.
Start wrapping tape at one end of
1.
Cut out damaged wire (up to 9
inches in length).
2. Strip wires,
refer to Table 11-4.
3.
Splice replacement segment onto
damaged wire using one of the options
in paragraph 11-9.
4.
Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
area to be covered.
2.
Overlap each turn about one-third of
tape width.
Overlap of more than 50 per-
cent or multiple wraps are not recom-
mended. Excess thickness prevents heat
transfer to the inner layer. Refer to
Figure 11-10.
3.
Apply heat to end of last lap to
soften the meltable adhesive, and press
it into position while warm.
Use
reflector (A5), temperature set at 900°F.
11-15
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