Bell OH-58A - Shielded Cable Repair Preparation

PROCEDURAL STEPS:
1.
Remove damaged insulation and
examine to insure center conductor is
not damaged.
2. Wrap tape over exposed center con-
ductor of wire. Tape should extend 2
inches over the wire insulation at each
end of the area to be covered.
3.
Record BDAR action taken. When
mission is completed or as soon as
feasible, repair using standard main-
tenance procedures.
OPTION 4:
Potting Compound Insulation.
LIMITATIONS:
This is a temporary
repair.
PERSONNEL/TIME REQUIRED:
1 Soldier
1-3 Hours Per Wire (Depending on which
potting compound is used.)
MATERIALS/TOOLS REQUIRED:
Potting Compound Insulation (RTV-730,
MIL-S-8516, synthetic rubber, or
equivalent)
Knife
PROCEDURAL STEPS:
1. Remove damaged insulation and exa-
mine to insure center conductor is not
damaged.
2. Apply a thin coat of potting com-
pound over the exposed center conductor.
3. Allow time to dry. If compound
coating does not seem to be sufficient,
apply additional layers as needed.
4. Record BDAR action taken. When
mission is complete, as soon as
practical, repair the equipment/system
using standard maintenance procedures.
TM 55-1520-228-BD
ELECTRICAL AND AVIONICS SYSTEM
11-8. SHIELDED CABLE REPAIR.
GENERAL INFORMATION: The following pro-
cedures may be used to repair severed
shielded cables.
OPTION 1:
Shielded Cable Splice.
LIMITATIONS: Repair is good for cables
rated at 125°C
PERSONNEL/TIME
1 Soldier
15 Minutes
or above.
REQUIRED:
MATERIALS/TOOLS REQUIRED:
Appropriate Size Splice
(item 10, Appx B)
Appropriate Size Sealing Sleeve
(item 10, Appx B)
Crimping Tool (item 10, Appx B)
Strippers (item 10, Appx B)
Heat Gun (item 10, Appx B)
Reflector (item 10, Appx B)
PROCEDURAL STEPS:
1. Prepare cable for splice. Refer to
Figure 11-12 and Table 11-5.
NOTE
Refer to Table 11-5. for X, Y, and Z
Figure 11-12. Shielded Cable
Repair Preparation
11-17