Bell OH-58A - Heat-Shrinkable Tape; Insulation Repair with Sleeving

TM 55-1520-228-BD
ELECTRICAL AND AVIONICS SYSTEM
4.
Heat the tape to shrink it and melt
the adhesive layer. Use reflector
(A29), temperature set at 900°F.
5. Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
Table 11-4. Wire Repair Segments
I
Figure 11-10.
Heat-Shrinkable Tape
OPTION 2:
Insulation Sleeve.
LIMITATIONS: This is a temporary
repair.
PERSONNEL/TIME REQUIRED:
1 Soldier
10 Minutes
MATERIALS/TOOLS REQUIRED:
Insulation Sleeving (item 10, Appx B)
Knife
String, Nylon Braid, or Tie-Wraps.
(item 10, Appx B)
PROCEDURAL STEPS:
1.
Remove damaged insulation and
examine to insure center conductor is
not damaged.
2. Prepare a transparent sleeve of
flexible tubing 1-1/2 times the outside
diameter of the wire and 2 inches longer
than the damaged portion of the insula-
tion.
3.
Split lengthwise and wrap 1-1/2
times around the wire at the damaged
section.
4.
Tie with string or other suitable
material at each end and at 1 inch
intervals over the entire length, Figure
11-11.
5.
Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
Figure 11-11.
Insulation Repair
with Sleeving
OPTION 3: Tape Insulation.
LIMITATIONS: This is a temporary
repair.
PERSONNEL/TIME REQUIRED:
1 Soldier
5 Minutes Per Wire
MATERIALS/TOOLS REQUIRED:
Tape, Electrical (item 49, Appx C)
Knife
11-16